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Presentations

Invited Talks

  • “Electron Correlations and Iron-based Superconductivity”, APS March Meeting, Los Angeles, CA (March 5-9, 2018).
  • “Electron Correlations and Multi-orbital Superconductivity in Iron Pnictides and Chalcogenides”, The 12th International Conference on Materials and Mechanisms of Superconductivity (M2S 2018), Beijing, China (Aug 19-24, 2018).
  • “Electron Correlations and Unconventional Superconductivity”, Trieste Meeting on Correlations in Electron Systems — from Quantum Criticality to Topology, ICTP, Trieste, Italy (Aug 6-10, 2018).
  • “Global phase diagram of heavy fermion metals — the role of frustration and spin-orbit coupling”, Frustration, Orbital Fluctuations, and Topology in Kondo Lattices and their relatives, MPI-PKS, Dresden (July 23-27, 2018).
  • “Introduction — Novel Aspects of Quantum Criticality”, 2018 Gordon Research Conference on Correlated Electron Systems–Entanglement and Coherence in Quantum Matter, Mount Holyoke College, South Hadley, MA (June 24-29, 2018).
  • “Introduction –Superconductivity and Quantum Criticality”,  21st International Conference on Magnetism (ICM2018), San Francisco (July 15-20, 2018).
  • “Kondo destruction, quantum criticality and superconductivity”, 2018 Hangzhou Workshop on Quantum Matter, Hangzhou, China (Oct 8-10, 2018).
  • “Magnetism and Topology in Strongly Correlated Electrons”, Third Grantmaster Early-Career Workshop in Physics–From Topology to Superconductivity, Vienna, Austria (Feb. 23, 2018).
  • “Magnetism and Topology in Strongly Correlated Metals”, Fudan Workshop on Complex Quantum Materials, Fudan, Shanghai, China (April 20-22, 2018).
  • “Magnetism and Topology of Strongly Correlated Quantum Materials”, 2018 CINT Annual Conference, Santa Fe, NM (Sept. 24, 2018).
  • “Magnetism and topology in strongly correlated metals”, Theoretical and Experimental Magnetism Meeting, Abingdon, UK (July 23-25, 2018).
  • “Magnetism and topology in strongly correlated metals”, 7th Sino-Swiss Workshop, Paul Scherrer Institute, Switzerland (May 8-9, 2018).
  • “Orbital Selectivity in Electron Correlations and Superconductivity of Iron-based Systems”, International Quantum Complex Matter 2018 Conference, Rome — Frascati National Laboratory, Italy (June 11-15, 2018).
  • “Orbital-Selective Correlations and Superconductivity in Iron-based Systems”, Novel Superconductors: Materials and Properties, Stockholm, Sweden (May 7-11, 2018).
  • “Iron-based high temperature superconductivity after a decade — progresses and prospects”, Center for Nonlinear Studies, Los Alamos National Lab (Nov. 1, 2018).
  • “Strong correlations and emergent phases in quantum materials”, Center for Nonlinear Studies, Los Alamos National Lab (Oct. 25, 2018).
  • “Strong correlations in quantum materials: puzzles, progresses and prospects”, Colloquium, Department of Physics and Astronomy, Rice University, Houston, TX (Sept. 19, 2018).
  • “Iron-based High Temperature Superconductivity at its Tenth Anniversary — Progresses and Prospects”, Condensed Matter Colloquium, Paul Scherrer Institute, Switzerland (March 2, 2018).
  • “Iron-based High Temperature Superconductivity at its Tenth Anniversary — Progresses and Prospects”, IQM Seminar, Johns Hopkins University (April 2, 2018).
  • “Iron-based high temperature superconductivity after a decade — progresses and prospects”, ETH Zurich (May 7, 2018).
  •  “Iron-based high temperature superconductivity after a decade — progresses and prospects”, Zhejiang University (Aug 27, 2018).
  • “Magnetism and Topology in Strongly Correlated Metals”, Zhejiang University (April 17, 2018).
  • “Magnetism and Topology in Strongly Correlated Metals”, CMTC Seminar, University of Maryland (April 3, 2018).
  • “Magnetism and topology in strongly correlated metals”, Theoretical Condensed Matter (TCM) Seminar, University of Cambridge (May 3, 2018).
  • “Strong Correlations in Quantum Materials — Puzzles, Progresses and Prospects”, Theory Seminar, Physikalisches Institut, Universitat Bonn, Germany (Nov. 5, 2018).
  • Correlated Electrons in Iron Based Superconductors: Quantum Criticality and Emergent Phases .”Theoretical and Experimental Magnetism Meeting, Abingdon, UK. (July 5-6, 2017)
  • Correlated electrons and iron-based superconductivity.” Emergence in disordered, interacting and living systems: Abrahams@90, Aspen, CO. (Aug. 12, 2017)
  • Effects of Berry phase and topological defects in antiferromagnetic quantum phase transitions.” Workshop on Path Integration in Complex Dynamical Systems, Lorentz Center, Leiden, the Netherlands. (Feb. 6-10, 2017)
  • Electron correlations and orbital selectivity in iron-based superconductors.” Zhejiang Workshop on Correlated Matter, Hangzhou, China. (Oct 10-13, 2017)
  • Frustrated Magnetism and Superconductivity in Iron Chalcogenides.” Workshop on Common Threads in the Electronic Phase Diagram of Unconventional Superconductors, Lorentz Center, Leiden, the Netherlands. (Feb. 27-March 3, 2017)
  • Global phase diagram in antiferromagnetic and multipolar heavy fermion systems.” International Conference on Strongly Correlated Electron SCES-2017, Prague, Czech Republic. (July 17-21, 2017)
  • Orbital-selective effects and iron-based superconductivity.” Conference on Multicomponent and Strongly Correlated Superconductivity, Stockholm, Sweden. (Aug 17-21, 2017)
  • Quantum Criticality and Emergent Phases in Correlated Electron Systems.” International Conference on Quantum Criticality and Novel Phases (QCNP2017), Berlin, Germany. (Feb 27–March 1, 2017)
  • Quantum Criticality and Emergent Phases in Correlated Systems.” Condensed Matter Seminar, University of California at Berkeley, Berkeley, CA. (Jan. 30, 2017)
  • Quantum Criticality and Emergent Phases in Correlated Systems.” Condensed Matter Seminar, Caltech, Pasadena, CA. (May 8, 2017)
  • Quantum Criticality and Emergent Phases in Correlated Systems.” Condensed Matter Seminar, University of Washington at Seattle, Seattle, Washington. (May 25, 2017)
  • Quantum Criticality and Emergent Phases in Correlated Systems.” Condensed Matter Seminar, University of California at San Diego, San Diego, CA. (May 17, 2017)
  • Strong Correlations and Spin-Orbit Couplings in Kondo Lattice Systems.” Workshop on Strongly Correlated Materials: Topology and Quantum Phase Transitions, Rice University, Houston. (Jan. 23, 2017)
  • Weyl-Kondo Semimetal in Heavy Fermion Systems.” Special symposium talk, Zhejiang Workshop on Correlated Matter, Hangzhou, China. (Oct 10-13, 2017)
  • “Correlated Electrons in Iron Based Superconductors: Magnetism and Nematicity in FeSe”, Theoretical and Experimental Magnetism Meeting, Rutherford Appleton Laboratory, UK, June 16-17, 2016.
  • “Frustrated Magnetism and Superconductivity in Iron Pnictides and Chalcogenides”, Condensed Matter Seminar, Princeton University, April 18, 2016.
  • “Frustrated Magnetism and Superconductivity in Iron Pnictides and Chalcogenides”, NORDITA Workshop on Multi-Component and Strongly-Correlated Superconductors, Stockholm, Sweden, July 3 -10, 2016.
  • “Frustrated Magnetism and Superconductivity in Iron Pnictides and Chalcogenides”, CMTC Seminar, University of Maryland, April 19, 2016.
  • “Frustrated Magnetism and Superconductivity in Iron Pnictides and Chalcogenides”, APS March Meeting, Baltimore, MD, March 14-18, 2016.
  • “Frustrated Magnetism and Superconductivity in Iron Pnictides and Chalcogenides”, Goethe-University Frankfurt, June 28, 2016.
  • “Frustrated Magnetism and Superconductivity in Iron Pnictides and Chalcogenides”, Invited presentation, EPiQS Workshop on Intertwined Orders in Strongly Correlated Systems, Laguna Beach, CA, Jan 29-31, 2016.
  • “Frustrated Magnetism and Superconductivity in Iron Pnictides and Chalcogenides”, University of Augsburg, Augsburg, Germany, June 7, 2016.
  • “Frustrated Magnetism and Superconductivity in Iron Pnictides and Chalcogenides”, Condensed Matter Seminar, University of California at Davis, Oct. 25, 2016.
  • “Frustrated Magnetism and Superconductivity in Iron Pnictides and Chalcogenides”, University College London, London Centre for Nanotechnology, London, UK, June 15, 2016.
  • “Frustrated Magnetism and Superconductivity in Iron Pnictides and Chalcogenides”, University of Cologne, June 29, 2016.
  • “Global Phase Diagram and Quantum Criticality of Heavy Fermion Metals and Kondo Insulators”, International Conference on Strongly Correlated Electron SCES-2016, Hangzhou, China, May 9-13, 2016.
  • “Iron-based Superconductivity and Strongly Correlated Electrons”, Joint Workshop on Quantum Matter, Peking University, Beijing, Oct. 11, 2016.
  • “Iron-based Superconductivity as a Prototype for Strongly Correlated Physics”, Colloquium, Center for Nonlinear Studies, Los Alamos National Lab, Nov. 28, 2016.
  • “Quantum Criticality — from Heavy Fermion Metals to Kondo Insulator”, Institute of Physics, Chinese Academy of Sciences, Beijing, China, Oct. 13, 2016.
  • “Quantum Criticality and Superconductivity in Heavy Fermion Systems”, Symposium Progress and New Directions on 4f Electron Materials, Rice University, Houston, Dec. 8, 2016.
  • “Electron Correlations, Bad-Metal Behavior and Superconductivity in Iron Pnictides and Chalcogenides”,Frontiers of CMP Workshop, TRIUMF, Vancouver, May 16-21, 2015.
  • “Frustrated Magnetism and Superconductivity in Iron Pnictides and Chalcogenides”, Joint Workshop on Novel Quantum Matter, Peking University, Beijing, Oct. 15, 2015.
  • “Frustrated Magnetism and Superconductivity in Iron Pnictides and Chalcogenides”,Theoretical and Experimental Magnetism Meeting, Abingdon, UK, July 16-17, 2015.
  • “Frustrated Magnetism and Superconductivity in Iron Pnictides and Chalcogenides”, Workshop on Strongly Correlated Electron Materials, Rice University, Houston, Nov. 20, 2015.
  • “High Temperature Superconductivity in Iron Pnictides and Chalcogenides”, Columbia-Rice Frontiers of Condensed Matter Physics Lecture Series, Rice University, Houston, Dec. 1, 2015.
  • “Local-Moment Magnetism, Quantum Criticality and Heavy Fermion Superconductivity”,Gordon Research Conference on Superconductivity, The Chinese University of Hong Kong, Hong Kong, May 24-29, 2015.
  • “Magnetic Quantum Criticality and Heavy Fermion Superconductivity”, Electronic Structure Approaches and Applications to Quantum Matter, Santa Fe, New Mexico, May 18-21, 2015.
  • “Quantum Criticality and Heavy-Fermion Superconductivity”, International Workshop on Heavy Fermions and Quantum Phase Transitions, Zhejiang University, Hangzhou, Apr. 15-17, 2015.
  • “Quantum Criticality and Strongly Correlated Electrons”, Condensed Matter Seminar, Renmin University, Beijing, Jan. 7, 2015
  • “Quantum Criticality and the Kondo Lattice”, International School on Heavy Fermions and Quantum Phase Transitions, Zhejiang University, Hangzhou, Apr. 12-14, 2015 (three hours of lectures, part of a three-day school).
  • “Superconductivity and Electron Correlations in the Iron Pnictides and Chalcogenides”, National High Magnetic Field Center, Huazhong University of Science and Technology, Wuhan, China, June 16, 2015.
  • “Superconductivity and Electron Correlations in the Iron Pnictides and Chalcogenides”,Center of Advanced Quantum Studies, Beijing Normal University, Beijing, March 12, 2015.
  • “Correlated Electrons and Quantum Materials”, Physics Colloquium, Zhejiang University, Hangzhou, China, March 21, 2014.
  • “Electron Correlations and Superconductivity in Iron Pnictides and Chalcogenides”, Condensed Matter Seminar, University of California at Berkeley, Sept. 8, 2014.
  • “Electron Correlations and Superconductivity in Iron Pnictides and Chalcogenides”, Physics Institute Seminar, Karlsruhe Institute of Technology, Germany, June 23, 2014.
  • “Electron Correlations and Superconductivity in the Iron Pnictides and Chalcogenides”, Condensed Matter Seminar, University of Toronto, Oct. 3, 2014.
  • “Electron correlations and Superconductivity in Iron Pnictides and Chalcogenides”, Fourth International Conference on Superconductivity and Magnetism (ICSM 2014), Antalya, Turkey, Apr. 27-May 2, 2014.
  • “Electron correlations and Superconductivity in Iron Pnictides and Chalcogenides”, The 3rd Super-PIRE REMEI Workshop on Frontiers of Condensed Matter Physics, Beijing, China March 17-21, 2014.
  • “Electron correlations and Superconductivity in Iron Pnictides and Chalcogenides”, APS March Meeting, Denver, Colorado, March 3-7, 2014.
  • “Electron correlations and Superconductivity in Iron Pnictides and Chalcogenides”, 2014 EMN Conference on Iron- and Iridium-based Superconductivity, Cancun, Mexico, June 9-12, 2014.
  • “Electron correlations and Superconductivity in Iron Pnictides and Chalcogenides”, Beijing International Workshop (II) on Iron-based Superconductors, Institute of Physics, Beijing, China, Aug 4-7, 2014.
  • “Electron correlations and superconductivity in the iron based superconductors”, ICAM Summer School on New Developments in Condensed Matter Physics, Weihai, China, July 19-Aug 6, 2014.
  • “Local Perspective on Non-Fermi Liquid, Quantum Criticality and Bad Metals”, Aspen Center for Physics 2014 Winter Conference on Condensed Matter–Beyond Quasiparticles: New Paradigms for Quantum Fluids, Aspen, Colorado, Jan 12-18, 2014.
  • “Quantum Criticality – How It Works, and How It Elucidates Electronic Matter”, Physics Colloquium, University of Toronto, Oct. 2, 2014.
  • “Quantum Criticality and Emergent Phases in Heavy Fermion Systems”, Solid State Physics Colloquium, Max-Planck Institute for Chemical Physics of Solids, Dresden, Germany, June 5, 2014.
  • “Quantum Criticality and Emergent Phases in Heavy Fermion Systems”, Theoretical and Experimental Magnetism Meeting, Abingdon, UK, July 2-3, 2014.
  • “Quantum Criticality and Emergent Phases in Kondo Lattice Systems”, Conference on Non-Fermi Liquids, Stanford University, April 17-18, 2014.
  • “Quantum Criticality, Emergent Phases and Strongly Correlated Electrons”, Workshop on Quantum Critical Matter — From Atoms to Bulk, Obergurgl Conference Center, Austria, Aug. 18-23, 2014.
  • “Quantum Criticality, Emergent Phases and Strongly Correlated Electrons”, Quantum Materials Perspectives and Opportunities: The Rice Center for Quantum Materials Launch Symposium, Rice University, Houston, Dec. 15-16, 2014.
  • “Superconductivity based on Iron and Beyond: Towards a Conceptual Framework” Black Board Lunch Seminar, KITP, UC Santa Barbara, Nov. 17, 2014.
  • “Electron Correlations and Superconductivity in Iron Pnictides and Chalcogenides”, First Cross-Strait Workshop on Novel Quantum Materials, Hualien, Taiwan, Dec. 24-28, 2013.
  • “Electronic Correlations and Quantum Criticality in Iron Pnictides”, Sino-German (International) Workshop on Kondo and Mott Physics in Correlated Matter, Hangzhou, China, Oct. 14-17, 2013.
  • “Orbital-Selective Mott Transition in Iron Pnictide Superconductors”, Condensed Matter Science Colloquium, Los Alamos National Lab, Los Alamos, New Mexico, April 3, 2013
  • “Orbital-Selective Mott Transition in Iron Pnictide Superconductors”, Seminar, University of Sherbrooke, Sherbrooke, Canada, April 11, 2013.
  • “Orbital-selective Correlations and Neutron Resonance Excitations in Iron Pnictide Superconductors”, Theoretical and Experimental Magnetism Meeting, Abingdon, UK, July 4-5, 2013
  • “Quantum Criticality — from Chilled Antiferromagnets to Charged Black Holes”, Physikalisches Kolloquium, Karlsruhe Institute of Technology, Germany, May 10, 2013.
  • “Quantum Criticality and Emergent Phases in Heavy Fermion Metals”, 2013 Hangzhou Workshop on Quantum Matter, Hangzhou, China, April 22-25, 2013.
  • “Quantum Criticality and Strongly Correlated Electrons”, Condensed Matter Seminar, University of California at Santa Cruz, Oct. 4, 2013.
  • “Quantum Criticality and Unconventional Superconductivity”, Colloquium, National Lab for Superconductivity, Institute of Physics, Chinese Academy of Sciences, Beijing, China, April 26, 2013.
  • “Quantum Criticality and its Implications for Heavy Fermion Superconductivity”, Spectroscopy on Novel Superconductors (SNS2013), Berkeley, California, June 24-28, 2013.
  • “Quantum Criticality, Emergent Magnetic Phases and Superconductivity”, DOE-CAS Heavy-Fermion Workshop, Los Alamos National Lab., New Mexico, Nov. 18-19, 2013
  • “Quantum Criticality, Magnetic Frustration and Emergent Phases in Heavy Fermion Metals”, International Conference on Strongly Correlated Electron SCES-2013, Tokyo, Japan, Aug. 5-9, 2013.
  • “Quantum Phase Transitions and Strongly Correlated Electrons”, Physics Colloquium, Universite de Montreal, Montreal, Canada, April 12, 2013
  • “Quantum Phase Transitions in Heavy Fermion Metals and Kondo Insulators”, Conference on Quantum Criticality: Experiment and Theory, Freudenstadt-Lauterbad, Germany, Sept. 15-19, 2013.
  • “Quantum Phase Transitions in Heavy Fermion Metals and Kondo Insulators”, Aspen Center for Physics Summer Workshop — Disorder, Dynamics, Frustration and Topology in Quantum Condensed Matter, Aspen, CO, July 9, 2013.
  • “Superconductivity on the Border of Magnetism: Heavy Fermions and Iron Pnictides”, NORDITA Workshop on Superconductivity: the Second Century, Stockholm, Sweden, Aug. 20, 2013.
  • “Correlated Electrons at the Border of Magnetism”, Institute for Basic Science Symposium: From Observation of Quantum States in Solids to Their Control, Seoul, Korea, Sept. 6, 2012.
  • “Entropy accumulation near quantum critical points”, Workshop on Quantum Matter from the Nano- to the Macroscale, Max-Planck Institute for Physics of Complex Systems, Dresden, Germany, June 18-July 6, 2012.
  • “Heavy Fermions and Quantum Phase Transitions: A Theorist’s Perspective”, International Workshop on Heavy Fermions and Quantum Phase Transitions, IOP, Beijing, China, Nov 10-12, 2012.
  • “Local Quantum Criticality and Emergent Phases”, Heavy Fermions Physics: Perspectives and Outlook, Beijing, China, Jan 7-9, 2012.
  • “Magnetism and orbital-selective Mott physics in iron based superconductors”, Theoretical and Experimental Magnetism Meeting, Abingdon, UK, June 28-29, 2012.
  • “Orbital-Selective Mott Transition in Iron Pnictide Superconductors”, University College London, London Centre for Nanotechnology, London, UK, May 30, 2012.
  • “Orbital-Selective Mott Transition in Iron Pnictide Superconductors”, Condensed matter seminar, Texas A&M University, College Station, TX, Oct. 5, 2012.
  • “Quantum Criticality and Emergent Phases in Heavy Fermions”, Condensed Matter Colloquium, Los Alamos National Lab, Los Alamos, New Mexico, March 21, 2012.
  • “Quantum Criticality and Novel Phases”, DARPA Workshop on Correlated Quantum Materials, Arlington, VA, Nov. 7-8, 2012.
  • “Quantum Criticality and Strongly Correlated Electrons”, Colloquium on Solid State Physics, TU Munich, Garching, Germany, Dec. 13, 2012.
  • “Quantum Criticality, Non-Fermi Liquid and Unconventional Superconductivity”, 19th International Conference on Magnetism (ICM2012), Busan, Korea, July 8-13, 2012.
  • “Quantum magnetism of heavy fermions and effects of Berry phase”, Workshop on Emergent Phases in Correlated and Topological Matter, Hangzhou, China, April 2-5, 2012.
  • “Superconductivity, magnetic interactions and electron correlations in iron pnictides and selenides”, Tenth International Conference on Materials and Mechanisms of Superconductivity (M2S 2012), Washington, D.C., USA, July 29-Aug. 3, 2012.
  • “Theory Summary and Perspectives”, International Conference on Quantum Criticality and Novel Phases (QCNP12), Dresden, Germany, Aug. 26-29, 2012.
  • “Quantum Criticality and Emergent Phases”, Condensed Matter Seminar, Charles University, Praha, Czech Republic, June 1, 2011.
  • “The new iron chalcogenide (K,Tl)FexSe2: pairing strength and symmetries, and some general lessons about iron pnictides”, Theoretical and Experimental Magnetism Meeting, Rutherford Appleton Laboratory, UK, June 16-17, 2011.
  • “Electron Correlations and Superconductivity in Iron Pnictides and Selenides”, 26th International Conference on Low Temperature Physics (LT26), Beijing, China, Aug. 10-17, 2011.
  • “Electron Correlations and Superconductivity in Iron Pnictides and Selenides”, International Workshop on Electronic Correlations in Models and Materials, Augsburg, Germany, Sept 11-15, 2011.
  • “Electron Correlations and Superconductivity in the Iron Pnictides and Selenides”, Condensed Matter Seminar, Harvard University, Cambridge, MA, Oct. 13, 2011.
  • “Electron Correlations and Superconductivity in the Iron Pnictides and Selenides”, Condensed Matter Seminar, UCLA, Los Angeles, CA, Nov. 9, 2011.
  • “Local quantum criticality, Kondo lattice and holographic models of non-Fermi liquids”, Black Hole Answers for Condensed Matter Questions, Lorentz center, Leiden, Netherlands, June 16, 2011.
  • “Quantum Criticality and Emergent Phases”, ERC Symposium Quantum Puzzle, Vienna, Austria, June 22, 2011.
  • “Quantum Criticality and Emergent Phases”, Institute Colloquium, Max-Planck Institute for Physics of Complex Systems, Dresden, Germany, April 18, 2011.
  • “Quantum Criticality and Emergent Phases”, Physikalisches Kolloquium, University Bonn, Germany, April 15, 2011.
  • “Quantum Criticality and Strongly Correlated Electrons”, Institute for Low Temperature and Structure Research, Polish Academy of Sciences, Wroclaw, Poland, Dec. 8, 2011.
  • “Quantum Criticality and Strongly Correlated Electrons”, Condensed Matter Seminar, University of Michigan, Ann Arbor, Oct. 11, 2011.
  • “Quantum Criticality and Strongly Correlated Electrons”, Chez Pierre Seminar, Massachusetts Institute of Technology, Cambridge, MA, Sept. 26, 2011.
  • “Quantum Magnetism of Heavy Fermions and Effects of Berry Phases”, Condensed matter seminar, Boston College, Boston, MA, Oct. 4, 2011.
  • “Quantum critical points and emergent phases in heavy fermion metals”, Workshop — Developments and Prospects in Quantum Impurity Physics, Max-Planck Institute for Physics of Complex Systems, Dresden, Germany, June 5-June 10, 2011.
  • “Quantum critical points and novel phases in heavy fermion metals”, APS March Meeting, Dallas, Texas, March 21-25, 2011.
  • “Quantum criticality and emergent phases in heavy fermion metals”, Institute of Physics, Chinese Academy of Sciences, Beijing, China, Aug. 10, 2011.
  • “The new iron chalcogenide (K,Tl)FexSe2: pairing strength and symmetries, and some general lessons about iron pnictides”, International Institute of Physics (IIP) Workshop on Superconductivity, Natal/RN, Brazil, May 16-30, 2011.
  • “Unconventional Superconductivity and Electron Correlations”, Aspen Center for Physics Summer Workshop — A New Century of Superconductivity: Iron Pnictides and Beyond, Aspen, CO, June 30, 2011.
  • “Closing Comments — Theoretical”, International Conference on Strongly Correlated Electron SCES 2010, Santa Fe, NM, June 27-July 2, 2010.
  • “Magnetism and Electron Correlations in Iron Pnictides”, KITP Miniprogram on Iron-Based Superconductors, Kavli Institute for Theoretical Physics, UC Santa Barbara, January 10-21, 2011.
  • “Magnetism and Superconductivity in the Iron Pnictides”, Max-Planck Institute for Chemical Physics of Solids, Dresden, Germany, Feb 2, 2010.
  • “Magnetism, Mott Localization and Superconductivity in Fe-based Caompounds”, Theoretical and Experimental Magnetism Meeting, Institute of Physics, Abingdon, UK, Sept. 8-9, 2010.
  • “Quantum Criticality and Global Phase Diagram of Heavy Fermion Metals”, 2010 Hangzhou Workshop on Qunatum Matter, Hangzhou, China, May 18-21, 2010.
  • “Quantum Criticality”, Discussion Leader, 2010 Gordon Research Conference on Correlated Electron Systems, Mount Holyoke College, South Hadley, MA, June 13-18, 2010.
  • “Quantum Criticality, Kondo Breakdown, and Fermi Surafces”, DPG Spring Meeting, Regensburg, Germany, March 21-26, 2010.
  • “Quantum Criticality: Many-Body Systems on the Brink”, New Pictures of Strongly Correlated Electron Systems from Large Facilities — Keith McEwen’s 65th Birthday Celebration, University College London, June 4, 2010.
  • “Quantum Phase Transitions and the Border of Magnetism”, Physics Colloquium, University of Houston, Houston, Texas, Nov. 9, 2010.
  • “Theoretical Aspects of the Iron Pnictides”, International Conference on Magnetic Materials (ICMM 2010), Saha Institute of Nuclear Physics, Kolkata, India, Oct. 25-29, 2010.
  • “Electronic Correlations and Magnetic Frustration in the Iron Pnictides”, APS March Meeting, Pittsburgh, PA, March 16-20, 2009.
  • “Electronic Correlations and Magnetic Frustration in the Iron Pnictides”, KITPC Program on Iron-based High Tc Superconductors, Kavli Institute for Theoretical Physics China, Beijing, China, May 18-June 5, 2009.
  • “Electronic Correlations and Magnetic Frustration in the Iron Pnictides”, University College London, London Centre for Nanotechnology, London, UK, June 18, 2009.
  • “Electronic Correlations and Magnetic Frustration in the Iron Pnictides”, University of Cambridge, Department of Physics, Cavendish Laboratory, U.K., June 25, 2009.
  • “Electronic Correlations and Magnetic Frustration in the Iron Pnictides”, University of Tokyo, Department of Applied Physics, Tokyo, Japan, May 20, 2009.
  • “Fermi Surface and Magnetism in Heavy Fermion Metals”, Technical University of Vienna, Austria, June 23, 2009.
  • “Fermi Surface and Magnetism in Heavy Fermion Metals”; “Electronic Correlations and Magnetic Frustration in the Iron Pnictides” (two talks), Emergent Quantum Phenomena from the Nano to the Macro World, Cargese, Corsica, France, July 6-19, 2009.
  • “Iron pnictides as a new setting for quantum criticality”, Max-Planck Institute for Chemical Physics of Solids, Dresden, Germany, April 2, 2009.
  • “Magnetism and Superconductivity in the Iron Pnictides”, CCAST Workshop on Iron Based Superconductors, Beijing, China, Dec 5-6, 2009.
  • “Magnetism and Superconductivity in the Iron Pnictides”, Kyoto University, Kyoto, Japan, Dec 10, 2009.
  • “Magnetism and Superconductivity in the Iron Pnictides”, T-4 Seminar, Los Alamos National Lab, Los Alamos, New Mexico, Nov. 12, 2009.
  • “Magnetism and Superconductivity in the Iron Pnictides”, Theoretical and Experimental Magnetism Meeting, Institute of Physics, Abingdon, UK, July 2-3, 2009.
  • “Quantum Criticality in Heavy Fermion Metals”, Condensed matter seminar, Texas A&M University, College Station, TX, Oct. 2, 2009.
  • “Quantum Criticality out of Equilibrium”, KITP Program on Low Dimensional Electron Systems, KITP, UC Santa Barbara, May 7, 2009.
  • “Quantum Criticality, Kondo Effect, and Fermi Surfaces”, University of Tokyo, Institute for Solid State Physics, Tokyo, Kashiwa, Chiba, May 19, 2009.
  • “Superconductivity in the Iron Age”, Colloquium, Department of Physics and Astronomy, Rice University, Houston, TX, Sept. 2, 2009.
  • “Theoretical Overview”, Aspen Center for Physics Summer Workshop on Correlated Behavior and Quantum Criticality in Heavy Fermion and related Systems, Aspen, CO, August 11, 2009.
  • “Towards a Global Phase Diagram of Magnetic Heavy Fermions”, Hangzhou Workshop on Quantum Matter, Hangzhou, China, Oct. 12-15, 2009.
  • “What is Going on in the Iron Pnictides”, TcSUH, University of Houston, April 9, 2009.
  • “Are Iron Pnictides Strongly Correlated.” Aspen Center for Physics Summer Workshop on Frontiers of Strongly Correlated Electrons, Aspen, CO. (Aug 7, 2008)
  • “Electronic Correlations and Magnetic Frustration in the Iron Pnictides.” Condensed matter seminar, Iowa State University, Ames, Iowa. (Sept 25, 2008)
  • “Electronic Correlations and Magnetic Frustration in the Iron Pnictides.” Beijing International Workshop on Iron-(Nickel)-based Superconductors, Institute of Physics, Chinese Academy of Sciences, Beijing, China. (Oct 17-19, 2008)
  • “Fermi Surface and Magnetism in Kondo Lattice Systems.” Workshop on Unconventional Phases and Phase Transitions in Strongly Correlated Electron Systems, Max-Planck Institute for Physics of Complex Systems, Dresden, Germany. (June 2-27, 2008)
  • “Fermi Surface and Magnetism in the Kondo Lattice.” 2008 Gordon Research Conference on Correlated Electron Systems, New Biddeford, Maine. (June 8-13, 2008)
  • “Magnetism and Quantum Criticality in Heavy Fermions and Iron Pnictides.” ICAM/DCHEM Workshop on Emergent Behavior in Heavy Electron Materials, Aspen, CO. (Aug 28, 2008)
  • “Magnetism in Heavy Fermions and Iron Pnictides.” Theoretical and Experimental Magnetism Meeting, Institute of Physics, Abingdon, UK. (July 31-August 1, 2008)
  • “Quantum Criticality beyond Order-Parameter Fluctuations.” Aspen Center for Physics 2008 Winter Conference on Condensed Matter: New Horizons in Condensed matter Physics, Aspen, CO. (Feb 3-9, 2008)
  • “Strongly Correlated Electron Systems.” Second International Vienna Symposium on Functional Matter: From designer materials to quantum technologies, TU-Wien, Austria. (June 27, 2008)
  • “Strongly Correlated Electrons: from Quantum Criticality to the High Tc Iron Pnictides.” Physics Colloquium, Zhejiang University, Hangzhou,China. (May 6, 2008)
  • “Strongly Correlated Electrons: from Quantum Criticality to the High Tc Iron Pnictides.” Institute of Physics, CAS, Beijing, China. (May 19, 2008)
  • “Strongly Correlated Electrons: from Quantum Criticality to the High Tc Iron Pnictides.” University of Science and Technology of China, Hefei, China. (April 29, 2008)
  • “Strongly Correlated Electrons: from Quantum Criticality to the High Tc Iron Pnictides.” Fudan University, Shanghai, China. (May 8, 2008)
  • “Strongly Correlated Electrons: from Quantum Criticality to the High Tc Iron Pnictides.” Center for Advanced Studies, Tsinghua University, Beijing, China. (May 15, 2008)
  • “Summary Discussion.” ICAM Workshop on Fe-pnictide and Related Superconductors, College Park, Maryland. (Nov 16-17, 2008)
  • “Fermi Surface and Antiferromagnetism in Kondo Lattice Systems.” Max-Planck Institute for Chemical Physics of Solids, Dresden, Germany. (Feb 12, 2007)
  • “Heavy fermion quantum criticality: Fermi surface and multiple energy scales.” Frontiers of Condensed Matter — Celebrating the research achievements of Elihu Abrahams, Rutgers University, Piscataway, NJ. (April 20-22, 2007)
  • “Local Quantum Criticality: from Heavy Fermions to Magnetic Nanostructures.” New Frontiers in Quantum Impurity Physics: From Nano-Structures to Molecular Devices, Max-Planck Institute for Physics of Complex Systems, Dresden, Germany. (August 13-24, 2007)
  • “Local Quantum Criticality: from Heavy Fermions to Nanodevices.” NHMFL, Florida State University, Tallahassee, Florida. (Sept 26, 2007)
  • “Local Quantum Criticality: from Heavy Fermions to Nanostructures.” Physics Colloquium, Zhejiang University, Hangzhou, China. (July 2, 2007)
  • “Quantum Criticality and Fermi Surfaces.” KITPC Program on Quantum Phases of Matter, Kavli Institute for Theoretical Physics China, Beijing, China. (July 6, 2007)
  • “Quantum Criticality and Fermi Surfaces.” KITP Program on Strongly Correlated Phases in Condensed Matter and Degenerate Atomic Systems, KITP, UC Santa Barbara, CA. (April 12, 2007)
  • “Quantum Criticality and Strongly Correlated Electrons.” Condensed Matter Colloquium, Los Alamos National Lab, Los Alamos, NM. (Oct 3, 2007)
  • “Quantum Criticality and Superconductivity in Heavy Fermions.” Aspen Center for Physics Summer Workshop on Novel Aspects of Superconductivity, Aspen, CO. (July 21, 2007)
  • “Quantum Criticality in Correlated Matter.” Physics Colloqium, Dartmouth College, Hanover, New Hampshire. (Jan 26, 2007)
  • “Quantum Criticality in Kondo Lattices.” ICAM Workshop on 1-1-5 Materials: The Rosetta Stone for the Kondo Lattice, Aspen, CO. (Aug 4, 2007)
  • “Quantum Criticality of Heavy Fermion Metals: Thermodynamic Aspects.” National High Magnetic Field Lab, Tallahassee, Florida. (Sept. 27, 2007)
  • “Quantum Criticality, Kondo Effect and Fermi Surfaces.” Homage to Daniel Grempel Memorial Conference, CEA-Saclay, France. (June 14-15, 2007)
  • “Quantum Fluctuations, Criticality, and Strongly Correlated Electrons.” Workshop on Future Directions in Interacting Electron Physics, Austin, Texas. (Octt 11, 2007)
  • “Quantum Phases and their Transitions in Magnetic Heavy Fermions.” The Heavy Fermion Frontier: a Workshop in Honor of Joe D. Thompson’s 60th Birthday, Santa Fe, New Mexico. (Nov 12, 2007)
  • “Global Phase Diagram and Quantum Criticality in Magnetic Heavy Fermion Metals.” International Conference on Magnetism (ICM2006), Kyoto, Japan. (Aug 20-25, 2006)
  • “Quantum Critical Point beyond Order-Parameter Fluctuations — the Case of Heavy Fermion Metals.” Condensed Matter Seminar, University of California at Riverside, Riverside, CA. (April 12, 2006)
  • “Quantum Criticality.” Condensed Matter Seminar, University of Virginia, Charlottesville, Virginia. (Sept 28, 2006)
  • “Quantum Criticality.” Hangzhou Workshop on Quantum Matter, Hangzhou, China. (Oct 16-19, 2006)
  • “Quantum Criticality and Fermi-Surface Transformation.” Eighth International Conference on Materials and Mechanisms of Superconductivity and High Temperature Superconductors (M2S-VIII), Dresden, Germany. (July 9-14, 2006)
  • “Quantum Phase Transition and non-Fermi Liquid Behavior.” International Conference on Physics Education and Frontier Physics, Taipei, Taiwan. (June 27-30, 2006)
  • “Quantum Phase Transitions and Strongly Correlated Electrons.” Physics Colloquium, University of Science and Technology of China, Hefei, China. (July 3, 2006)
  • “Local Quantum Criticality and Fermi-Surface Transformation.” Theoretical and Experimental Magnetism Meeting, Institute of Physics and ISIS/CCLRC, Abingdon, UK. (August 2-3, 2005)
  • “Phenomenological Aspects of Local Quantum Criticality.” Fifth International Symposium on Advanced Science Research –Advances in the Physics and Chemistry of Actinide Compounds, JAERI Tokai, Ibaraki, Japan (cancelled due to Hurricane Rita). (Sept. 27-29, 2005)
  • “Quantum Criticality in Kondo Systems.” Aspen Center for Physics Summer Workshop on Gauge Theories and Fractionalization in Correlated Quantum Matter, Aspen, CO. (August 9, 2005)
  • “Quantum Phase Transition and non-Fermi Liquid Behavior.” Conference on Physical Phenomena at High Magnetic Fields-V, National High Magnetic Field Laboratory, Tallahassee, Florida. (August 5-9, 2005)
  • “Quantum Phase Transitions and Correlated Electrons.” University College London, London, UK. (March 10, 2005)
  • “Quantum Phase Transitions and Strongly Correlated Electrons.” PHYSICS COLLOQUIUM, Zhejiang University, Hangzhou, China. (Dec. 9, 2005)
  • “Quantum Phase Transitions and Strongly Correlated Electrons.” I2CAM Workshop on Chemical Physics of Complex Adaptive Matter, Ringberg Castle (Bavaria), Germany. (February 6 – 9, 2005)
  • “The Global Phase Diagram of Magnetic Heavy Fermion Metals.” Joint Workshop of NQP (New Quantum Phenomena)-skutterudites and NPM (New Phase of Matter) in multi-approach, Tokyo Metropolitan University, Hachioji, Tokyo. (November 21- 24, 2005)
  • “Two talks: 1) Kondo lattices: What do we learn from microscopics? 2) Heavy fermion metals: Global phase diagram, local quantum criticality, and experiments.” Workshop on Emergent Quantum Phases in Strongly Correlated Electron Systems, Korea Institute for Advanced Study (KIAS), Seoul, Korea. (October 24-29, 2005)
  • “Exotic Quantum Criticality in Kondo Lattices.” KITP Program on Exotic Order and Criticality in Quantum Matter, KITP, UCSB. (June 30, 2004)
  • “Extended DMFT Study of Kondo Lattices.” Workshop on Quantum Criticality and Dynamical Mean Field Theory, SPhT/CEA-Saclay, France. (Dec 7, 2004)
  • “Hall Effect and Fermi Surface Fluctuations near Quantum Critical Points.” Theory Seminar, University of karlsruhe, Karlsruhe, Germany. (Feb, 2004)
  • “Local Quantum Critical Points: from Correlated Matters to Mesoscopic Structures.” Condensed Matter Seminar, University of Sherbrooke, Sherbrooke, Canana. (March, 2004)
  • “Local Quantum Criticality and Fermi-surface Fluctuations.” International Workshop on Materials Science and Nano-Engineering, Osaka, Japan. (Dec 10-14, 2004)
  • “Local Quantum Criticality and non-Fermi Liquid Properties.” ICTP Workshop on Novel States and Phase Transitions in Highly Correlated Matter, Trieste, Italy. (July 12-23, 2004)
  • “Local Quantum Criticality and non-Fermi Liquid Properties.” DPG (Germany Physical Society) Spring Meeting, Regensburg, Germany. (March 8-12, 2004)
  • “Local Quantum Criticality and non-Fermi Liquid Properties.” American Physical Society March Meeting, Montreal, Quebec, Canada. (March 22-26, 2004)
  • “Quantum Critical Metals: beyond Order Parameter Fluctuations.” International Workshop on Evolution of Quantum Effects from the Nano-to the Macroscale, Cargese, Corsica, France. (May 17-22, 2004)
  • “Quantum Criticality in Kondo Systems.” YKIS 2004 Physics of Strongly Correlated Electron Systems, Yukawa Institute, Kyoto, Japan. (Nov 12-19, 2004)
  • “Quantum Phase Transitions and non-Fermi Liquid Phenomena.” WE-Heraeus-Seminar on Quantum Phase Transitions, Bad Honnef, Germany. (October 10-14, 2004)
  • “Quantum Phase Transitions in Kondo Impurities and in Mesoscopic Structures.” Condensed Matter Seminar, Cologne University. (Oct 8, 2004)
  • “TURNING UP THE HEAT AT ZERO TEMPERATURE: Quantum Phase Transitions and non-Fermi Liquids.” Physics Colloquium, Louisiana State University. (Oct 28, 2004)
  • “TURNING UP THE HEAT AT ZERO TEMPERATURE: Quantum Phase Transitions and non-Fermi Liquids.” Physics Colloquium, Rice University. (Nov 10, 2004)

Keynote Speaker

  • “Quantum Criticality and Strongly Correlated Electrons”, 27th International Conference on Low Temperature Physics (LT27), Semi-PLENARY TALK, Buenos Aires, Argentina, Aug. 6-13, 2014.
  • “Magnetism in metals on the verge of Mott transition and quantum criticality in parent pnictides”, Keynote Speaker, SEPnet Summer Program: Condensed Matter Physics in the City, London, UK, June 13-14, 2011.
  • “Quantum Criticality, Kondo Breakdown, and Fermi Surfaces”, PLENARY TALK, International Conference on Quantum Criticality and Novel Phases (QCNP09), Dresden, Germany, Aug. 2-5, 2009.
  • “Quantum Criticality and Fermi Surface Transformation.” PLENARY TALK, International Conference on Strongly Correlated Electron SCES’05, Vienna, Austria. (July 26 – 30, 2005)

Lectures

  • “Quantum Criticality and Heavy Fermion Physics”, Columbia-Rice Frontiers of Condensed Matter Physics Lecture Series, Rice University, Houston, Oct. 22 and 24, 2013 (two lectures).
  • “Quantum Criticality and Strongly Correlated Fermions”, Bethe Colloquium, University Bonn, Germany, May 6, 2013.
  • “Quantum Criticality and The Kondo Lattice”, Second Fudan Summer School for Condensed Matter Physics — Quantum Phase Transitions, July 19-22, 2012 (summer school lectures, 4 days, 8 hrs).
  • “Kondo Problem to Heavy Fermions and Local Quantum Criticality”, Advanced School — Developments and Prospects in Quantum Impurity Physics, Max-Planck Institute for Physics of Complex Systems, Dresden, Germany, May 30-June 3, 2011.
  • “Magnetism, Localization and Superconductivity”, Inaugural Lecture of Changhiang Professorship, Zhejiang University, Hangzhou, China, Oct. 22, 2010.
  • “Quantum Criticality and Heavy Fermions”, Tutorial lecture, Post-Workshop Tutorial– 2010 Hangzhou Workshop on Qunatum Matter, Hangzhou, China, May 22, 2010.
  • “Strongly Correlated Electrons: from Quantum Criticality to the High Tc Iron Pnictides.” Frontiers in Chemical Physics of Solids Lecture, Max-Planck Institute for Physics of Complex Systems, Dresden, Germany. (June 19, 2008)