Publications

H. Hu, R. Yu, E. M. Nica, J.-X. Zhu, and Qimiao Si “Orbital-selective superconductivity in the nematic phase of FeSe.” Phys. Rev. B, 98(2018) : 220503(R) . https://doi.org/10.1103/PhysRevB.98.220503

R. Yu, J.-X. Zhu, and Qimiao Si “Orbital selectivity enhanced by nematic order in FeSe.” Phys. Rev. Lett., 121(2018) : 227003.
https://doi.org/10.1103/PhysRevLett.121.227003

H. Zhao, J. Zhang, M. Lv, S. Bachus, Y. Tokiwa, P. Gegenwart, S. Zhang, J. G. Cheng, Y.-f. Yang, G. F. Chen, Y. Isikawa, Qimiao Si, F. Steglich, and P. J. Sun “Quantum-critical phase out of frustrated magnetism in a strongly correlated metal.” submitted(2018)

H.-H. Lai, E. M. Nica, W.-J. Hu, S.-S. Gong, S. Paschen, and Qimiao Si “Kondo Destruction and Multipolar Order — Implications for Heavy Fermion Quantum Criticality.” Phys. Rev. Lett., submitted(2018)

H.-H. Lai, S. E. Grefe, S. Paschen, and Qimiao Si “Weyl-Kondo Semimetal in Heavy Fermion Systems.” PNAS, 115(2018) : 93. https://doi.org/10.1073/pnas.1715851115

J. H. Pixley, R. Yu, S. Paschen, and Qimiao Si “Global Phase Diagram and Momentum Distribution of Single-Particle Excitations in Kondo insulators.” Phys. Rev. B, 98(2018) : 085110 .

J. Wu, L. Zhu, and Qimiao Si “Crossovers and critical scaling in the one-dimensional transverse field Ising model.” Phys. Rev. B, 97(2018) : 245127.

J. Zhang, H. Zhao, M. Lv, S. Hu, Y. Isikawa, Y.-F. Yang, Qimiao Si, F. Steglich, and P. Sun “Kondo destruction in a quantum paramagnet with magnetic frustration.” Phys. Rev. B, 97(2018) : 235117.

Jianda Wu, Wang Yang, Congjun Wu, Qimiao Si “Quantum Critical Dynamics for a Prototype Class of Insulating Antiferromagnets.” Phys. Rev. B, 97(2018) : 224405.

B. K. Rai, I. Oswald, W. Ban, C.-L. Huang, A. M. Hallas, M. N. Wilson, G. M. Luke, L. Harriger, Q. Huang, Y. Li, Sami Dzsaber, Julia Y. Chan, N. L. Wang, S. Paschen, J. Lynn, P. Dai, Q. Si, and E. Morosan “Low-carrier density and fragile magnetism in a Kondo lattice system.” Phys. Rev. B (2018) – Accepted

G. M. Pang, M. Smidman, J. L. Zhang, L. Jiao, Z. F. Weng, E. M. Nica, Y. Chen, W. B. Jiang, Y. J. Zhang, H. S. Jeevan, P. Gegenwart, F. Steglich, Q. Si, and H. Q. Yuan “Evidence for fully gapped d-wave superconductivity in CeCu2Si2.” PNAS, 115(2018) : 5343-5347.

L. Prochaska, X. Li, D. C. MacFarland, A. M. Andrews, M. Bonta, E. F. Bianco, S. Yazdi, W. Schrenk, H. Detz, A. Limbeck, Qimiao Si, E. Ringe, G. Strasser, J. Kono, S. Paschen “Singular charge fluctuations at a magnetic quantum critical point.” submitted(2018)

M. Matsuda, F. K. Lin, R. Yu, J.-G. Cheng, W. Wu, J. P. Sun, J. H. Zhang, P. J. Sun, K. Matsubayashi, T. Miyake, T. Kato, J.-Q. Yan, M. B. Stone, Qimiao Si, J. L. Luo, and Y. Uwatoko “Evolution of Magnetic Double Helix and Quantum Criticality near a Dome of Superconductivity in CrAs.” Phys. Rev. X, 8(2018) : 031017.

M. Smidman, O. Stockert, J. Arndt, G. M. Pang, L. Jiao, H. Q. Yuan, H. A. Vieyra, S. Kitagawa, K. Ishida, K. Fujiwara, T. C. Kobayashi, E. Schubert, M. Tippmann, L. Steinke, S. Lausberg, A. Steppke, M. Brando, H. Pfau, U. Stockert, P. Sun, S. Friedemann, S. Wirth, C. Krellner, S. Kirchner, E. M. Nica, R. Yu, Qimniao Si, F. Steglich “Interplay between unconventional superconductivity and heavy-fermion quantum criticality: CeCu2Si2 versus YbRh2Si2.” Philosophical Magazine, 98(2018) : 2930-2963 .

M. Yi, A. Frano, D. H. Lu, Y. He, M. Wang, B. Frandsen, A. F. Kemper, R. Yu, Q. Si, L. Wang, M. He, F. Hardy, P. Schweiss, P. Adelmann, T. Wolf, M. Hashimoto, S.-K. Mo, Z. Hussain, M. Le Tacon, C. S. Nelson, A. E. Boehmer, D.-H. Lee, Z.-X. Shen, C. Meingast, and R. J. Birgeneau “Emergent Charge Order in Ba(1-x)Na(x)Fe2As2.” Phys. Rev. Lett., 121(2018) : 127001.

S. Dzsaber, X. Yan, G. Eguchi, A. Prokofiev, T. Shiroka, P. Blaha, O. Rubel, S. E. Grefe, H.-H. Lai, Qimiao Si, S. Paschen “Giant spontaneous Hall effect in a nonmagnetic Weyl-Kondo semimetal.” submitted(2018)

S. Seiro, L. Jiao, S. Kirchner, S. Hartmann, S. Friedemann, C. Krellner, C. Geibel, Q. Si, F. Steglich, S. Wirth “Evolution of the Kondo lattice and non-Fermi liquid excitations in a heavy-fermion metal.” Nature Commun., 9(2018) : 3324 .

S. Y. Jang, R. Kealhofer, C. John, S. Doyle, J.-S. Hong, J. H. Shim, Qimiao Si, J. D. Denlinger, James. G. Analytis “Direct visualization of coexisting channels of interaction in CeSb.” Sci. Adv.(2018) – Accepted

V. K. Anand, D. T. Adroja, A. D. Hillier, K. Shigetoh, T. Takabatake, Je-Geun Park, K. A. McEwen, J. H. Pixley, and Qimiao Si “Zero-Field Ambient-Pressure Quantum Criticality in the Stoichiometric Non-Fermi Liquid System CeRhBi.” J. Phys. Soc. Jpn., 87(2018) : 064708.

X. Li, R. Yu, and Qimiao Si “Global phase diagram of a spin-orbit-coupled Kondo lattice model on the honeycomb lattice.” submitted(2018)

Y. Song, X. Y. Lu, L.-P. Regnault, Y. Su, H.-H. Lai, W.-J. Hu, Qimiao Si, P. C. Dai “Isotropic continuum of spin excitations in antiferromagnetically ordered Fe(1.07)Te.” Phys. Rev. B, 97(2018) : 024519.

Yongkang Luo, Xin Lu, A. P. Dioguardi, P. F. S. Rosa, E. D. Bauer, Qimiao Si, J. D. Thompson “Unconventional and conventional quantum criticalities in CeRh(0.58)Ir(0.42)In5.” Npj Quantum Materials, 3(2018) : 6.

2017

B. A. Frandsen, K. M. Taddei, M. Yi, A. Frano, Z. Guguchia, R. Yu, Qimiao Si, D. E. Bugaris, R. Stadel, R. Osborn, S. Rosenkranz, O. Chmaissem, and R. J. Birgeneau “Local orthorhombicity in the magnetic C4 phase of the hole-doped iron-arsenide superconductor Sr(1-x)Na(x)Fe2As2.” Phys. Rev. Lett., 119 (2017) : 187001.

C.-C. Liu, P. Goswami, and Q. Si “Skyrmion defects and competing singlet orders in a half-filled antiferromagnetic Kondo-Heisenberg model on the honeycomb lattice.” Phys. Rev. B, 96 (2017) : 125101.

E. M. Nica, R. Yu, and Q. Si “Orbital-selective pairing and superconductivity in iron selenides.” Npj Quantum Materials, 2 (2017) : 24. https://doi.org/10.1038/s41535-017-0027-6

H. Man, J. Guo, R. Zhang, R. U. Schonemann, Z.P. Yin, M. Fu, M. B. Stone, Q. Huang, Y. Song, W. Wang, D. Singh, F. Lochner, T. Hickel, I. Eremin, J. W. Lynn, C. Broholm, L. Balicas, Qimiao Si, Pengcheng Dai “Spin excitations and the Fermi surface of superconducting FeS.” Npj Quantum Materials, 2 (2017) : 14.

H.-H. Lai, W.-J. Hu, R. Yu, and Q. Si “Antiferroquadrupolar order and rotational symmetry breaking in a generalized bilinear-biquadratic model on a square lattice.” Phys. Rev. Lett., 118 (2017) : 176401.

J. Chen, Z. Wang, Y. Li, C. Feng, J. Dai, G. H. Cao, Z.-A. Xu, and Q. Si “Heavy fermion quantum criticality at dilute carrier limit in CeNi(2-delta)[As(1−x)$P(x))]2.” Phys. Rev. B, arXiv:1704.02487 (2017) Submitted

K. Grube, S. Zaum, O. Stockert, Q. Si, H. v. Loehneysen “Multidimensional entropy landscape of quantum criticality.” Nature Phys., 13 (2017) : 742-745.

Pallab Goswami and Qimiao Si “Dynamic zero modes of Dirac fermions and competing singlet phases of antiferromagnetic order.” Phys. Rev. B, 95 (2017) : 224438.

R. Yu and Q. Si “Orbital-selective Mott phase in multiorbital models for iron pnictides and chalcogenides.” Phys. Rev. B, 96 (2017) : 125110.

R. Yu, M. Yi, B. A. Frandsen, R. J. Birgeneau, and Qimiao Si “Emergent phases in iron pnictides: Double-Q antiferromagnetism, charge order and enhanced nematic correlations.” Phys. Rev. Lett., arXiv:1706.07087 (2017) Submitted

S. Dzsaber, L. Prochaska, A. Sidorenko, G. Eguchi, R. Svagera, M. Waas, A. Prokofiev, Q. Si, and S. Paschen “Kondo Insulator to Semimetal Transformation Tuned by Spin-Orbit Coupling.” Phys. Rev. Lett., 118 (2017) : 246601.

V. Martelli, A. Cai, E. M. Nica, M. Taupin, A. Prokofiev, C. C. Liu, H.-H. Lai, R. Yu, R. Kuechler, A. M. Strydom, D. Geiger, J. Haenel, J. Larrea, Q. Si, and S. Paschen “Sequential localization and strange-metal behavior of a complex electron fluid.” Nature Phys., arXiv:1709.09376 (2017) Submitted

W.-J. Hu, S.-S. Gong, H.-H. Lai, Haoyu Hu, Qimiao Si, A. H. Nevidomskyy “Nematic Liquid Phase in a Frustrated Spin-1 Systems on the Square Lattice.” Phys. Rev. Lett., arXiv:1711.06523 (2017) Submitted

Y. Zhou, Q. Wu, P. F. S. Rosa, R. Yu, J. Guo, W. Yi, S. Zhang, Z. Wang, H. Wang, S. Cai, K. Yang, A. Li, Z. Jiang, S. Zhang, X. Wei, Y. Huang, Y.-f. Yang, Z. Fisk, Qimiao Si, Z. X. Zhao, and Liling Sun “Quantum phase transition and destruction of Kondo effect in pressurized SmB6.” Science Bulletin, 62 (2017) : 1439-1444. https://doi.org/10.1016/j.scib.2017.10.008

2016

Ang Cai, J. H. Pixley, Kevin Ingersent, and Qimiao Si, “Critical local moment fluctuations and enhanced pairing correlations in a cluster Anderson model”, Phys. Rev. Lett., submitted; arXiv:1604.06449.

E. M. Nica, K. Ingersent, and Qimiao Si, “Quantum criticality and global phase diagram of an Ising-anisotropic Kondo lattice”, Phys. Rev. Lett., submitted; arXiv:1603.03829.

E. Schuberth, M. Tippmann, L. Steinke, S. Lausberg, A. Steppke, M. Brando, C. Krellner, C. Geibel, R. Yu, Qimiao Si, and F. Steglich, “Emergence of superconductivity in the canonical heavy-electron metal YbRh2Si2”, Science 351, 485-488 (2016). http://dx.doi.org/10.1126/science.aaa9733

Felix Eilers, Kai Grube, Diego A. Zocco, Thomas Wolf, Michael Merz, Peter Schweiss, Rolf Heid, Robert Eder, Rong Yu, Jian-Xin Zhu, Qimiao Si, Takasada Shibauchi, and Hilbert v. Lohneysen, “Strain-driven approach to Quantum criticality in $A$Fe2As2 with $A$=K, Rb,and Cs”, Phys. Rev. Lett. 116, 237003 (2016).

J. Wu, Qimiao Si, and E. Abrahams, “Magnetic and Ising quantum phase transitions in a model for isoelectronically tuned iron pnictides”, Phys. Rev. B93, 104515 (2016). http://link.aps.org/doi/10.1103/PhysRevB.93.104515

Qimiao Si, Rong Yu and Elihu Abrahams, “High Temperature Superconductivity in Iron Pnictides and Chalcogenides”, Nature Rev. Mater. 1, 16017 (2016).
http://www.nature.com/articles/natrevmats201617

S. Paschen, S. Friedemann, S. Wirth, F. Steglich, S. Kirchner, and Q. Si, “Kondo Destruction in Heavy Fermion Quantum Criticality and the Photoemission Spectrum of YbRh2Si2”, J. Magn. Magn. Mater. 400, 17-22 (2016).

Wen-Jun Hu, Hsin-Hua Lai, Shou-Shu Gong, Rong Yu, Andriy H. Nevidomskyy, Qimiao Si, “Frustrated magnetism and quantum transitions of nematic phases in FeSe”, Nat. Phys., submitted; arXiv:1606.01235.

Xiao-Yong Feng, Hanting Zhong, Jianhui Dai and Qimiao Si, “Dirac-Kondo semimetals and topological Kondo insulators in the dilute carrier limit”, PNAS, submitted; arXiv:1605.02380.

Y. Song, Z. Yamani, C.-D. Cao, Y. Li, C.L. Zhang, J. Chen, Q. Z. Huang, H. Wu, J. Tao, Y. Zhu, W.Tian, S. X. Chi, H. Cao, Y.-B. Huang, M. Dantz, T. Schmitt, R. Yu, A. H. Nevidomskyy, E. Morosan, Qimiao Si, and Pengcheng Dai, “A Mott insulator continuously connected to iron pnictide superconductors”, Nature Commun. 7, 13879 (2016).

Hsin-Hua Lai, Shou-Shu Gong, Wen-Jun Hu, and Qimiao Si, “Frustrated magnetism and bicollinear antiferromagnetic order in FeTe”, Phys. Rev. X, submitted; arXiv:1608.08206.

2015

E. M. Nica, R. Yu, and Qimiao Si, “Glide reflection symmetry, Brillouin zone folding and superconducting pairing for the P4/nmm space group”, Phys. Rev. B92, 174520 (2015).

H. Man, X. Lu, J. S. Chen, R. Zhang, W. Zhang, H. Luo, J. Kulda, A. Ivanov, T. Keller, E. Morosan, Qimiao Si, and P. Dai, “Electronic nematic correlations in the stress free tetragonal state of BaFe(2-x)Ni(x)As2”, Phys. Rev. B92, 134521 (2015).

J. H. Pixley, Ang Cai, and Qimiao Si, “Cluster Extended Dynamical Mean Field Approach and Unconventional Superconductivity”, Phys. Rev. B91, 125127 (2015).

J. H. Pixley, Lili Deng, Kevin Ingersent, and Qimiao Si, “Pairing Correlations Near a Kondo-Destruction Quantum Critical Point”, Phys. Rev. B91, Rapid Commun., 201109(R) (2015).

L. Jiao, Y. Chen, Y. Kohama, D. Graf, E. D. Bauer, J. Singleton, J.-X. Zhu, Z. F. Weng, G. M. Pang, T. Shang, J. L. Zhang, H. O. Lee, T. Park, M. Jaime, J. D. Thompson, F. Steglich, and Q. Si, and H. Q. Yuan, “Fermi-surface reconstruction and multiple quantum phase transitions in the antiferromagnet CeRhIn5”, PNAS 112, 673-678 (2015).

M. Yi, Z.-K. Liu, Y. Zhang, R. Yu, J.-X. Zhu, J. J. Lee, R. G. Moore, F. T. Schmitt, W. Li, S. C. Riggs, J.-H. Chu, B. Lv, J. Hu, T. J. Liu, M. Hashimoto, S.-K. Mo, Z. Hussain, Z. Q. Mao, C. W. Chu, I. R. Fisher, Q. Si, Z.-X. Shen, and D. H. Lu, “Observation of universal strong orbital-dependent correlation effects in iron chalcogenides”, Nature Commun. 6, 7777 (2015).

R. Yu, Q. Si, “Antiferroquadrupolar and Ising-nematic orders of a frustrated bilinear-biquadratic Heisenberg model and implications for the magnetism of FeSe”, Phys. Rev. Lett. 115, 116401 (2015).

W. Ding, S. Paschen, and Qimiao Si, “Anomalous Hall effect and quantum criticality in geometrically frustrated heavy fermion metals”, Phys. Rev. Lett., submitted; arXiv:1507.07328.

Y. Song, X. Lu,, D. L. Abernathy, D. W. Tam, J. L. Niedziela, W. Tian, H. Luo, Qimiao Si, and P. Dai, “Energy dependence of the spin excitation anisotropy in uniaxial-strained BaFe(1.9)Ni(0.1)As2”, Phys. Rev. B92, 180504(R) (2015).

Z. K. Liu, M. Yi, Y. Zhang, J. Hu, R. Yu, J. -X. Zhu, R. -H. He, Y. L. Chen, M. Hashimoto, R. G. Moore, S. -K. Mo, Z. Hussain, Q. Si, Z. Q. Mao, D. H. Lu, Z. X. Shen, “Experimental Observation of Incoherent-Coherent Crossover and Orbital Dependent Band Renormalization in Iron Chalcogenide Superconductors”, Phys. Rev. B92, 235138 (2015).

Zhang, C., J. T. Park, Xingye Lu, Rong Yu, Yu Li, Wenliang Zhang, Yang Zhao,J. W. Lynn, Qimiao Si, and Pengcheng Dai, “Neutron spin resonance as a probe of superconducting gap anisotropy in partially detwinned electron underdoped NaFe(0.985)Co(0.015)As”, Phys. Rev. B 91, 104520 (2015).

2014

C. Zhang, Y. Su, L.-P. Regnault, Y. Su, M. Enderle, J. Julda, G. Tan, Z. C. Sims, T. Egami, Qimiao Si, and P. Dai, “Anisotropic neutron spin resonance in underdoped superconducting NaFe(1-x)Co(x)As”, Phys. Rev. B90, 140502(R) (2014).

F. Steglich, H. Pfau, S. Lausberg, P. Sun, U. Stockert, M. Brando, S. Friedemann, C. Krellner, C. Geibel, S. Wirth, S. Kirchner, E. Abrahams, and Qimiao Si, “Evidence for a Kondo destroying quantum critical point in YbRh2Si2”, J. Phys. Soc. Jpn. 83, 061001 (2014). http://dx.doi.org/10.7566/JPSJ.83.061001

J. H. Pixley, Rong Yu, and Qimiao Si, “Quantum phases of the Shastry-Sutherland Kondo lattice: implications for the global phase diagram of heavy fermion metals”, Phys. Rev. Lett. 113, 176402 (2014) http://dx.doi.org/10.1103/PhysRevLett.113.176402

J. Wu, M. Kormos and Qimiao Si, “Finite temperature spin dynamics in a perturbed quantum critical Ising chain with an E8 symmetry”, Phys. Rev. Lett. 113, 247201 (2014). http://dx.doi.org/10.1103/PhysRevLett.113.247201

P. Gao, R. Yu, L. Sun, H. Wang, Z. Wang, Q. Wu, M. Fang, G. Chen, J. Guo, C. Zhang, D. Gu, H. Tian, J. Li, J. Liu, Y. Li, X. Li, Qimiao Si, and Z. Zhao, “Role of the 245 phase in alkaline iron selenide superconductors revealed by high-pressure studies”, Phys. Rev. B89, 094514 (2014).

Pallab Goswami and Qimiao Si, “Topological defects of Neel order and Kondo singlet formation for Kondo-Heisenberg model on a honeycomb lattice”, Phys. Rev. B89, 045124 (2014).

Qimiao Si, J. H. Pixley, Emilian Nica, Seiji J. Yamamoto, P. Goswami, R. Yu, and S. Kirchner, “Kondo Destruction and Quantum Criticality in Kondo Lattice Systems”, J. Phys. Soc. Jpn. 83, 061005 (2014). http://dx.doi.org/10.7566/JPSJ.83.061005

Rong Yu, Jian-Xin Zhu and Qimiao Si, “Orbital-selective superconductivity, gap anisotropy and spin resonance excitations in a multiorbital t-J1-J2 model for iron pnictides”, Phys. Rev. B 89, 024509 (2014).

W. Ding, R. Yu, Qimiao Si, and E. Abrahams, “Effective Exchange Interactions for Bad Metals and Implications for Iron-based Superconductors”, Phys. Rev. Lett., submitted (2014); arXiv:1410.8118.

X. Lu, J. T. Park, R. Zhang, H. Luo, A. H. Nevidomskyy, Qimiao Si, and P. Dai, “Nematic spin correlations in the tetragonal state of uniaxial strained BaFe(2-x)Ni(x)As2”, Science 345, 657-660 (2014). http://dx.doi.org/10.1126/science.1251853

Y. Luo, L. Pourovskii, S. Rowley, Y. Li, C. Feng, A. Georges, J. Dai, G. H. Cao, Z. A. Xu, Qimiao Si, and N. P. Ong, “Heavy Fermion Quantum Criticality and Destruction of the Kondo Effect in a Nickel Oxypnictide”, Nature Materials 13, 777-781 (2014). http://dx.doi.org/10.1038/nmat3991

2013

C. Zhang, Rong Yu, Y. Su, Y. Song, M. Wang, G. Tan, T. Egami, J. A. Fernandez-Baca, E. Faulhaber, Qimiao Si, and P. Dai, “Double spin resonances and gap anisotropy in superconducting Co-underdoped NaFeAs”, Phys. Rev. Lett. 111, 207002 (2013).

D. D. Khalyavin, D. T. Adroja, P. Manuel, A. Daoud-Aladine, M. Kosaka, K. Kondo, K. A. McEwen, J. H. Pixley, and Qimiao Si, “Field-induced long-range magnetic order in the spin-singlet ground state system YbAl3C3: Neutron diffraction study”, Phys. Rev. B 87, Rapid Commun., 220406(R) (2013).

Emilian M. Nica, Kevin Ingersent, Jian-Xin Zhu, and Qimiao Si, “Quantum critical Kondo destruction in the Bose-Fermi Kondo model with a local transverse field”, Phys. Rev. B 88, 014414 (2013)

J. H. Pixley, Stefan Kirchner, Kevin Ingersent, and Qimiao Si, “Quantum criticality in the pseudo-gap Bose-Fermi Anderson and Kondo models: Interplay between fermion- and boson-induced Kondo destruction”, Phys. Rev. B 88, 245111 (2013).

M. Yi, D. H. Lu, R. Yu, S. Riggs, J.-H. Chu, B. Lv, Z. Liu, M. Lu, Y. Cui, M. Hashimoto, S.-K. Mo, Z. Hussain, C. W. Chu, I. R. Fisher, Q. Si, and Z.-X. Shen, “Observation of temperature-induced Crossover to an orbital-selective Mott phase in A(x)Fe(2-y)Se2 (A=K, Rb) superconductors”, Phys. Rev. Lett. 110, 067003 (2013).

P. Ribeiro, Qimiao Si, and S. Kirchner, “Local quantum criticality out of equilibrium — effective temperature and scaling in the steady state regime”, Europhys. Lett. (EPL) 102, 50001 (2013).

Qimiao Si, “Condensed Matter Physics — Hidden is More”, Nature 493, N&V, 619-620 (2013) http://dx.doi.org/10.1038/493619a

Qimiao Si and Silke Paschen, “Quantum phase transitions in heavy fermion metals and Kondo insulators”, Phys. Status Solidi B 250, 425-438 (2013). http://dx.doi.org/10.1002/pssb.201300005

Rong Yu and Qimiao Si, “Orbital-selective Mott Phase in Multiorbital Models for Alkaline Iron Selenides K(1-x)Fe(2-y)Se2”, Phys. Rev. Lett. 110, 146402 (2013).

Rong Yu, Jian-Xin Zhu and Qimiao Si, “Orbital-dependent effects of electron correlations in microscopic models for iron-based superconductors”, Current Opinion in Solid State and Materials Science 17, 65-71 (2013) http://dx.doi.org/10.1016/j.cossms.2013.05.003

Rong Yu, Pallab Goswami, Qimiao Si, Predrag Nikolic, and Jian-Xin Zhu, “Superconductivity at the Border of Electron Localization and Itinerancy”, Nature Communications 4, 2783 (2013)
http://dx.doi.org/10.1038/ncomms3783

S. Friedemann, S. Paschen, C. Geibel, S. Wirth, F. Steglich, S. Kirchner, E. Abrahams, and Q. Si, “Comment on `Zeeman-driven Lifshitz transition: A model for the experimentally observed Fermi-surface reconstruction in YbRh2Si2′ “, Phys. Rev. Lett. 111, 139701 (2013)

X. Lu, H. Gretarsson, R. Zhang, X. Liu, H. Luo, W. Tian, M. Laver, Z. Yamani, Y.-J. Kim, A. H. Nevidomskyy, Qimiao Si, P. Dai, “Avoided quantum criticality and magnetoelastic coupling in BaFe(2-x)Ni(x)As2”, Phys. Rev. Lett. 110, 257001 (2013).

X.-Y. Feng, J. Dai, C.-H. Chung, and Qimiao Si, “Competing topological and Kondo insulator phases on a honeycomb lattice”, Phys. Rev. Lett. 111, 016402 (2013).

2012

E. Morosan, D. Natelson, Andriy H. Nevidomskyy, and Qimiao Si, “Strongly correlated materials”, Advanced Materials 24, 4896-4923 (2012).

H. Pfau, S. Hartmann, U. Stockert, P. Sun, S. Lausberg, M. Brando, S. Friedemann, C. Krellner, C. Geibel, S. Wirth, S. Kirchner, E. Abrahams, Qimiao Si, F. Steglich, “Thermal and Electrical Transport across a Magnetic Quantum Critical Point”, Nature 484, 493-497 (2012); doi: 10.1038/nature11072.

J. Custers, K.-A. Lorenzer, M. Mueller, A. Prokofiev, A. Sidorenko, H. Winkler, A. M. Strydom, Y. Shimura, T. Sakakibara, R. Yu, Q. Si, and S. Paschen, “Destruction of Kondo effect in cubic heavy fermion compound Ce3Pd20Si6”, Nature Materials 11, 189-194 (2012); doi:10.1038/nmat3214.

J.H. Pixley, S. Kirchner, K. Ingersent and Qimiao Si, “Kondo destruction and valence fluctuations in an Anderson model”, Phys. Rev. Lett. 109, 086403 (2012).

Oliver Stockert, Stefan Kirchner, Frank Steglich, and Qimiao Si, “Superconductivity in Ce- and U-based `122′ heavy-fermion compounds”, J. Phys. Soc. Jpn. 81, 011001 (2012); DOI: 10.1143/JPSJ.81.011001.

Rong Yu and Qimiao Si, “U(1) Slave-spin theory and its application to Mott transition in a multi-orbital model for iron pnictides”, Phys. Rev. B86, 085104 (2012).

Rong Yu, Zhentao Wang, Pallab Goswami, Andriy Nevidomskyy, Qimiao Si, and Elihu Abrahams, “Spin Dynamics of a J1-J2-K Model for the Paramagnetic Phase of Iron Pnictides”, Phys. Rev. B86, 085148 (2012).

S. Nair, S. Wirth, S. Friedemann, F. Steglich, Q. Si and A. J. Schofield, “Hall effect in heavy-fermion metals”, Adv. Phys. 61, 583-664 (2012); http://dx.doi.org/10.1080/00018732.2012.730223.

Stefan Kirchner, Kevin Ingersent, and Qimiao Si, “Quantum criticality of the sub-ohmic spin-boson model”, Phys. Rev. B85, 075113 (2012); doi: 10.1103/PhysRevB.85.075113.

2011

Elihu Abrahams and Qimiao Si, “Quantum criticality in the iron pnictides and chalcogenides”, J. Phys.: Condens. Matter 23, 223201 (2011).

Jian-Xin Zhu, Rong Yu, A. V. Balatsky, and Qimiao Si, “Local Electronic Structure around a Single Impurity as a Test of Pairing Symmetry in (K,Tl)_yFe_xSe2 Superconductors”, Phys. Rev. Lett. 107, 167002 (2011).

M. T. Glossop, S. Kirchner, J. H. Pixley, and Qimiao Si, “Critical Kondo destruction in a pseudogap Anderson model: scaling and relaxational dynamics”,Phys. Rev. Lett. 107, 076404 (2011)

O. Stockert, J. Arndt, E. Faulhaber, C. Geibel, H. S. Jeevan, S. Kirchner, M. Loewenhaupt, K. Schmalzl, W. Schmidt, Qimiao Si, F. Steglich, “Magnetically driven superconductivity in CeCu2Si2”, Nature Physics 7, 119-124 (2011).

Pallab Goswami and Qimiao Si, “Effects of Berry phase and instantons in one dimensional Kondo-Heisenberg model”, Phys. Rev. Lett. 107, 126404 (2011).

Pallab Goswami, Rong Yu, Qimiao Si, and Elihu Abrahams, “Spin Dynamics of a J1-J2 Antiferromagnet and its Implications for Iron Pnictides”, Phys. Rev. B84, 155108 (2011).

Rong Yu and Qimiao Si, “Mott Transition in Multi-Orbital Models for Iron Pnictides”, Phys. Rev. B84, 235115 (2011).

Rong Yu, Jian-Xin Zhu, Qimiao Si, “Mott transition in Modulated Lattices and Parent Insulator of (K,Tl)_yFe_xSe2 Superconductors”, Phys. Rev. Lett. 106, 186401 (2011).

Rong Yu, Pallab Goswami, and Qimiao Si, “The magnetic phase diagram of an extended J1-J2 model on a modulated square lattice and its implications for the antiferromagnetic phase of K_yFe_xSe2”, Phys. Rev. B84, 094451 (2011).

S. Friedemann, N. Oeschler, S. Wirth, C. Krellner, C. Geibel, F. Steglich, S. Paschen, S. Kirchner, and Qimiao Si, “Discontinuous Hall coefficient at the quantum critical point in YbRh2Si2”, J. Phys.: Condens. Matter 23, 094216 (2011).

S. Friedemann, S. Wirth, S. Kirchner, Q. Si, S. Hartmann, C. Krellner, C. Geibel, T. Westerkamp, M. Brando, and F. Steglich, “Break up of heavy fermions at an antiferromagnetic instability”, J. Phys. Soc. Jpn. 80, SA002 (2011).

2010

C. de la Cruz, W. Z. Hu, S. Li, Q. Huang, J. W. Lynn, M. A. Green, G. F. Chen, N. L. Wang, H. A. Mook, Qimiao Si, Pengcheng Dai, “Lattice distortion and magnetic quantum phase transitions in CeFeAs(1-x)PxO”, Phys. Rev. Lett. 104, 017204 (2010).

J.-X. Zhu, R. Yu, H. Wang, L. L. Zhao, M. D. Jones, J. Dai, E. Abrahams, E. Morosan, M. Fang, and Qimiao Si,”Band Narrowing and Mott Localization in Iron Oxychalcogenides La2O2Fe2O(Se,S)2”, Phys. Rev. Lett. 104, 216405 (2010).

Nabil Iqbal, Hong Liu, Mark Mezei, and Qimiao Si, “Quantum phase transitions in holographic models of magnetism and superconductors”, Phys. Rev. D82, 045002 (2010).

Pallab Goswami, Predrag Nikolic, and Qimiao Si, “Superconductivity in Multi-orbital t-J1-J2 Model and its Implications for Iron Pnictides”, EPL 91, 37006 (2010).

Qimiao Si, “Quantum Criticality and Global Phase Diagram of Magnetic Heavy Fermions”, Physica Status Solidi B247, 476-484 (2010); http://arxiv.org/abs/arXiv:0912.0040.

Qimiao Si and Frank Steglich, “Heavy Fermions and Quantum Phase Transitions”, Science 329, 1161-1166 (2010).

S. Friedemann, N. Oeschler, S. Wirth, C. Krellner, C. Geibel, F. Steglich, S. Paschen, S. Kirchner, and Qimiao Si, “Fermi-surface collapse and quantum-dynamical scaling near a quantum critical point”, PNAS 107, 14547-14551 (2010).

S. Kirchner and Qimiao Si, “On the concept of effective temperature in current carrying quantum critical states”, Phys. Status Solidi B247, 631-634 (2010).; http://arXiv.org/abs/0909.3925

Seiji J. Yamamoto and Qimiao Si, “Global Phase Diagram of the Kondo Lattice: From Heavy Fermion Metals to Kondo Insulators”, J. Low Temp. Phys. 161, 233-262 (2010).

Seiji J. Yamamoto and Qimiao Si, “Metallic Ferromagnetism in the Kondo Lattice”, PNAS 107, 15704-15707 (2010).

Seiji Yamamoto and Qimiao Si, “Renormalization Group for Mixed Fermion-Boson Systems”, Phys. Rev. B81, 205106 (2010).

2009

Jianhui Dai, Jian-Xin Zhu, and Qimiao Si, “The f-spin physics of rare-earth iron pnictides: influence of d-electron antiferromagnetic order on heavy fermion phase diagram”, Phys. Rev. B 80, 020505(R) (2009).

Jianhui Dai, Qimiao Si, Jian-Xin Zhu, and Elihu Abrahams, “Iron pnictides as a new setting for quantum criticality”, PNAS 106, 4118-4121 (2009)

Qimiao Si, “Iron pnictide superconductors: Electrons on the verge”, Nature Physics 5, 629-630 (2009).

Qimiao Si, Elihu Abrahams, Jianhui Dai, and Jian-Xin Zhu, “Correlation effects in the iron pnictides”, New Journal of Physics 11, 045001 (2009).

Stefan Kirchner and Qimiao Si, “Critical Kondo destruction and the violation of the quantum-to-classical mapping of quantum criticality”, Physica B 404, 2904-2907 (2009).

Stefan Kirchner and Qimiao Si, “Quantum Criticality out of Equilibrium: Steady State in a Magnetic Single-Electron Transistor”, Phys. Rev. Lett. 103, 206401 (2009).

Stefan Kirchner, Qimiao Si, and Kevin Ingersent, “Finite Size Scaling of Classical Long-Ranged Ising Chains and the Criticality of Dissipative Quantum Impurity Models”, Phys. Rev. Lett. 102, 166405 (2009).

2008

Jianhui Dai, C. J. Bolech, Qimiao Si, “The Bose-Fermi Kondo Model in an Exactly Solvable Limit.” Physica B, 403 (2008) : 1242.

Philipp Gegenwart, Qimiao Si, and Frank Steglich “Quantum Criticality in Heavy Fermion Metals.” Nature Physics (2008) : 186-197.

Qimiao Si, Elihu Abrahams “Strong Correlations and Magnetic Frustration in the High Tc Iron Pnictides.” Physical Review Letters, 101 (2008) : 076401.

Seiji J Yamamoto, Qimiao Si, “Fermi Surface and Magnetism in the Kondo lattice: a Continuum Field Theory Approach.” Physica B, 403 (2008) : 1414.

Stefan Kirchner, Qimiao Si “Berry Phase and the Breakdown of the Quantum to Classical Mapping for the Quantum Critical Point of the Bose-Fermi Kondo model.” Physical Review Letters (2008) : arXiv:0808.2647.In Revision

Stefan Kirchner, Qimiao Si “Bose-Fermi Kondo Model with Ising Anisotropy: Cluster-Monte Carlo Approach.” Physica B, 403 (2008) : 1199.

Stefan Kirchner, Qimiao Si “Magnetic Single-Electron Transistor as a Tunable Model System for Kondo-Destroying Quantum Criticality.” Physica B, 403 (2008) : 1189.

Stefan Kirchner, Qimiao Si, “Scaling and Enhanced Symmetry at the Quantum Critical Point of the Sub-Ohmic Bose-Fermi Kondo Model.” Physical Review Letters, 100 (2008) : 026403.

2007

J.-X. Zhu, S. Kirchner, R. Bulla, and Qimiao Si, “Zero-Temperature Magnetic Transition in an Easy-Axis Kondo Lattice Model.” Physical Review Letters, 99 (2007) : 227204(1-4).

Jianhui Dai, Qimiao Si, and C. J. Bolech, “The Bose-Fermi Kondo Model with a Singular Dissipative Spectrum: Exact Solutions and their Implications.” Physical Review Letters: arXiv:0712.3280.Submitted

P. Gegenwart, T. Westerkamp, C. Krellner, Y. Tokiwa, S. Paschen, C. Geibel, F. Steglich, E. Abrahams, and Qimiao Si, “Multiple energy scales at a quantum critical point.” Science, 315 (2007) : 969-971.

Seiji J. Yamamoto and Qimiao Si, “Fermi surface and antiferromagnetism in the Kondo lattice: an asymptotically exact solution in d>1 dimensions.” Physical Review Letters, 99 (2007): 016401.

2006

Jian-Xin Zhu, A. V. Balatsky, T. P. Devereaux, Qimiao Si, J. Lee, K. McElroy, and J. C. Davis, “Fourier-Transformed Local Density of States and Tunneling into a d-Wave Superconductor with Bosonic Modes.” Physical Review B, 73 (2006) : 014511.

Jian-Xin Zhu, K. McElroy, J. Lee, T. P. Devereaux, Qimiao Si, J. C. Davis, and A. V. Balatsky, “Effects of Pairing Potential Scattering on Fourier-Transformed Inelastic Tunneling Spectra in High-$T_c$ Cuprate Superconductors with Bosonic Modes.” Physical Review Letters, 97 (2006): 177001.

Qimiao Si, “Global Magnetic Phase Diagram and Local Quantum Criticality in Heavy Fermion Metals.” Physica B, 78 (2006): 23-27.

S. D. Wilson, S. Li, P. Dai, W. Bao, J-H Chung, H. J. Kang, S-H Lee, S. Komiya, Y. Ando, and Qimiao Si, “Evolution of low-energy spin dynamics in the electron-doped high-transition-temperature superconductor Pr$_{0.88}$LaCe$_{0.12}$CuO$_{4-\delta}$.” Physical Review B, 74 (2006) : 144514.

2005

Qimiao Si, Jian-Xin Zhu, and D. R. Grempel “Magnetic Quantum Phase Transitions in Kondo Lattices.” J. Phys.: Condens. Matter, 17 (2005) : R1025-1040.

S. Kirchner, L. Zhu, Q. Si, and D. Natelson “Quantum Criticality in Ferromagnetic Single-Electron Transistors.” Proc. Natl. Acad. Sci. USA, 102 (2005) : 18824-18829.

S. Kirchner, L. Zhu, and Q. Si “Destruction of the Kondo effect in a multi-channel Bose-Fermi Kondo model.” Physica B, 359 (2005) : 83-85.

2004

Eugene Pivovarov and Q. Si “Transitions from small to large Fermi momenta in a one-dimensional Kondo lattice model.” Physical Review B, 69 (2004) : 115104(1)-115104(11).

J. Sun, O. Rambow, and Q. Si “Orthogonality Catastrophe in Bose-Einstein Condensates.” Physical Review Letters (2004) : submitted; cond-mat/0404590.Submitted

J.-X. Zhu, J. Sun, Q. Si, and A. V. Balatsky “Effects of a Collective Spin Resonance Mode on the STM Spectra of D-Wave Superconductors.” Physical Review Letters, 92 (2004) : 017002.

Lijun Zhu, Stefan Kirchner, Qimiao Si, and Antoine Georges “Quantum critical properties of the Bose-Fermi Kondo Model in a large-N limit.” Physical Review Letters, 93 (2004) : 267201.

S. A. Grigera, A. J. Schofield, S. Rabello, and Q. Si “Momentum resolved tunneling in a Luttinger Liquid.” Physical Review B, 69 (2004) : 245109(1)-245109(8).

S. Paschen, T. Luhmann, S. Wirth, P. Gegenwart, O. Trovarelli, C. Geibel, F. Steglich, P. Coleman, and Q. Si “Hall-effect evolution across a heavy-fermion quantum critical point.” Nature, 432 (2004) : 881-885.

Ya. B. Bazaliy, R. Ramazashvili, Q. Si, and M. R. Norman “Magnetotransport near a quantum critical point in a simple metal.” Physical Review B, 69 (2004) : 144423(1)-144423(11).

Book chapters

Q. Si, “Quantum Criticality and the Kondo Lattice”, Chapter in “Understanding Quantum Phase Transitions”, ed. L. D. Carr (Taylor & Francis, Boca Rato, 2011).

Refereed conference papers

F. Steglich, O. Stockert, S. Wirth, C. Geibel, H. Q. Yuan, S. Kirchner, and Q. Si, “Routes to heavy-fermion superconductivity” J. Phys. Conf. Series 449, 012028 (2013). http://dx.doi.org/10.1088/1742-6596/449/1/012028

Rong Yu, Qimiao Si, Pallab Goswami, and Elihu Abrahams, “Electron Correlation and Spin Dynamics in Iron Pnictides and Chalcogenides”, J. Phys.: Conf. Ser. 449, 012025 (2013) http://dx.doi.org/10.1088/1742-6596/449/1/012025

F. Steglich, J. Arndt, O. Stockert, S. Friedemann, M. Brando, C. Klingner, C. Krellner, C. Geibel, S. Wirth, S. Kirchner and Q. Si, “Magnetism, f-electron localization and superconductivity in 122-type heavy-fermion metals”, J. Phys.: Condens. Matter 24, 294201 (2012).

J. H. Pixley, Stefan Kirchner, M. T. Glossop and Qimiao Si, “Continuous-Time Monte Carlo study of the pseudogap Bose-Fermi Kondo model”, J. Phys.: Conf. Ser. 273, 012019 (2011).

Jianda Wu, Lijun Zhu, Qimiao Si, “Entropy accumulation near quantum critical points: effects beyond hyperscaling”, J. Phys.: Conf. Ser. 273, 012019 (2011).