Sun Group

Condensed Matter Theory


  1. D. Zeb Rocklin, Shangnan Zhou, Kai Sun, Xiaoming Mao
    Transformable topological mechanical metamaterials
    Nature Communications 8, 14201 (2017)
    Video desmonatration for transformable topological mechanical metamaterials
    News Release: New metamaterial can switch from hard to soft—and back again
  2. Xiao Yan Xu, K. S. D. Beach, Kai Sun, F. F. Assaad, and Zi Yang Meng
    Topological phase transitions with SO(4) symmetry in (2+1)D interacting Dirac fermions
    Physical Review B, 95, 085110 (2017).
  3. Alexa Rakoski, Yun Suk Eo, Kai Sun, Cagliyan Kurdak
    Understanding low-temperature bulk transport in samarium hexaboride without relying on in-gap bulk states
    ArXiv Preprint 1702.02619
  4. Xiao Yan Xu, Kai Sun, Yoni Schattner, Erez Berg, Zi Yang Meng
    Non-Fermi-liquid at (2+1)d ferromagnetic quantum critical point
    ArXiv Preprint 1612.06075
  5. Dong-Ling Deng, Sheng-Tao Wang, Kai Sun, L.-M. Duan
    Probe knots and Hopf insulators with ultracold atoms
    ArXiv Preprint 1612.01518
  6. Jiahua Gu and Kai Sun
    Adiabatic continuity, wavefunction overlap, and topological phase transitions
    Physical Review B, 94, 125111 (2016).
  7. Y. Xu, S. Cui, J. K. Dong, D. Zhao, T. Wu, X. H. Chen, Kai Sun, Hong Yao, and S. Y. Li
    Bulk Fermi Surface of Charge-Neutral Excitations in SmB6 or Not: A Heat-Transport Study
    Physiscal Review Letters 116, 246403 (2016)
  8. J. D. Denlinger, Sooyoung Jang, G. Li, L. Chen, B. J. Lawson, T. Asaba, C. Tinsman, F. Yu, Kai Sun, J. W. Allen, C. Kurdak, Dae-Jong Kim, Z. Fisk, Lu Li
    Consistency of Photoemission and Quantum Oscillations for Surface States of SmB6
    ArXiv Preprint arXiv:1601.07408
  9. Cynthia Keeler, Gino Knodel, James T. Liu and Kai Sun
    Universal features of Lifshitz Green’s functions from holography
    Journal of High Energy Physics, 2015, issue 08, 57 (2015)
  10. Kai Sun, Krishna Kumar, Eduardo Fradkin
    Discretized Chern-Simons gauge theory on arbitrary graphs
    Physical Review B, 92, 115148 (2015)
  11. Krishna Kumar, Kai Sun, Eduardo Fradkin
    Chiral spin liquids on the kagome Lattice
    Physical Review B, 92, 094433(2015)
  12. Kai Sun
    News & Views Topological insulators: Topology and structural distortions,
    Nature Materials, 14, 262–263 (2015)
  13. T. C. Lubensky, C. L. Kane, Xiaoming Mao, A Souslov, Kai Sun
    Invited Review Phonons and elasticity in critically coordinated lattices
    Reports on Progress in Physics, 78, 073901 (2015)
  14. Dong-Ling Deng, Sheng-Tao Wang, Kai Sun, Lu-Ming Duan
    Proposal for observing non-Abelian statistics of Majorana-Shockley fermions in an optical lattice
    Physical Review B,91, 094513(2015)
  15. Yinghai Wu, J. K. Jain and Kai Sun
    Fractional Topological Phases in Generalized Hofstadter Bands with Arbitrary Chern Numbers,
    Physical Review B, 91, 041119(R) (2015)
  16. Sheng-Tao Wang, Dong-Ling Deng, Joel E. Moore, Kai Sun, Lu-Ming Duan
    Quantized electromagnetic response of three-dimensional chiral topological insulators
    Physical Review B 91, 035108 (2015)
  17. Sera Cremonini, Xi Dong, Junchen Rong, Kai Sun
    Holographic RG flows with nematic IR phases
    Journal of High Energy Physics, 2015, issue 07, 82 (2015)
  18. Teoman Ozturk, Richard L. Field III, Yun Suk Eo, Steven Wolgast, Kai Sun, Cagliyan Kurdak
    Influence of Helical Spin Structure on the Magnetoresistance of an Ideal Topological Insulator
    Arxiv preprint arXiv:1412.1007 (2014)
  19. S. Wolgast, Y. S. Eo, T. Öztürk, G. Li, Z. Xiang, C. Tinsman, T. Asaba, B. Lawson, F. Yu, J. W. Allen, K. Sun, L. Li, Ç. Kurdak, D.-J. Kim, and Z. Fisk
    Magnetotransport measurements of the surface states of samarium hexaboride using Corbino structures
    Physical Review B 92, 115110 (2015)
  20. Jing Tao, Kai Sun, Weiguo Yin, S. J. Pennycook, J. M. Tranquada and Yimei Zhu
    Unveiling the microscopic origin of the electronic smectic-nematic phase transition in La1/3Ca2/3MnO3
    Arxiv preprint arXiv:1403.7216 (2014)
  21. Krishna Kumar, Kai Sun, Eduardo Fradkin
    Chern-Simons theory of the magnetization plateaus of the spin-1/2 quantum XXZ Heisenberg model on Kagome Lattice
    Physical Review B 90, 174409 (2014)
  22. G. Li, Z. Xiang, F. Yu, T. Asaba, B. Lawson, P. Cai, C. Tinsman, A. Berkley, S. Wolgast, Y. S. Eo, Dae-Jeong Kim, C. Kurdak, J. W. Allen, Kai Sun, X. H. Chen, Y. Y. Wang, Z. Fisk, Lu Li,
    Two-dimensional Fermi surfaces in Kondo insulator SmB6
    Science 346, 1208-1212 (2014)
  23. Jonathan D. Denlinger, James W. Allen, Jeong-Soo Kang, Kai Sun, Byung-Il Min, Dae-Jeong Kim, Zachary Fisk
    SmB6 Photoemission: Past and Present,
    JPS Conf. Proc. 3, 017038 (2014). Proceedings of the International Conference on Strongly Correlated Electron Systems (SCES2013)
  24. J. D. Denlinger, J. W. Allen, J.-S. Kang, K. Sun, J.-W. Kim, J.H. Shim, B. I. Min, Dae-Jeong Kim, Z. Fisk
    Temperature Dependence of Linked Gap and Surface State Evolution in the Mixed Valent Topological Insulator SmB6,
    Arxiv preprint arXiv:1312.6637 (2013)
  25. Mengxing Ye, J. W. Allen and Kai Sun
    Topological crystalline Kondo insulators and universal topological surface states of SmB6,
    Arxiv preprint arXiv:1307.7191 (2013)
  26. Steven Wolgast, Cagliyan Kurdak, Kai Sun, J. W. Allen, Dae-Jeong Kim and Zachary Fisk,
    Low-temperature surface conduction in the Kondo insulator SmB6,
    Phys. Rev. B 88, 180405(R)(2013)
  27. Y.A. Ying, N.E. Staley, Y. Xin, K. Sun, X. Cai, D. Fobes, T. Liu, Z.Q. Mao, and Y. Liu,
    Enhanced spin-triplet superconductivity near dislocations in Sr2Ruo4,
    Nature Communications 4, 2596 (2013).
  28. Sriram Ganeshan, Kai Sun and S. Das Sarma,
    Topological Zero-Energy Modes in Gapless Commensurate Aubry-André-Harper Models,
    Physical Review Letters 110, 180403(2013).
  29. Christopher N. Varney, Kai Sun, Victor Galitski and Marcos Rigol,
    Quantum phases of hard-core bosons in a frustrated honeycomb lattice,
    New Journal of Physics 14, 115028 (2012)
  30. Shuo Yang, Zheng-Cheng Gu, Kai Sun and S. Das Sarma,
    Topological flat band models with arbitrary Chern numbers,
    Phys. Rev. B 86, 241112(R) (2012)
  31. Ying-Hai Wu, J. K. Jain and Kai Sun,
    Adiabatic Continuity Between Hofstadter and Chern Insulators,
    Physical Review B 86, 165129 (2012)
  32. J. Radic, A. Di Ciolo, Kai Sun, and V. Galitski,
    Exotic Quantum Spin Models in Spin-Orbit-Coupled Mott Insulators,
    Physical Review Letters, 109, 085303 (2012).
  33. X. Wang, L.S. Bishop, JP Kestner, E. Barnes, K. Sun, and S.D. Sarma,
    Composite Pulses for Robust Universal Control of Singlet-Triplet Qubits,
    Nature Communications 3, 997 (2012).
  34. Kai Sun, Anton Souslov, Xiaoming Mao and T. C. Lubensky,
    Isostaticity, auxetic response, surface modes, and conformal invariance in twisted kagome lattices,
    Proceedings of the National Academy of Sciences of the United States of America, 109, 12369 (2012).
    Highlighted as "From the Cover". See accompanying Commentary: Topological soft matter: Kagome lattices with a twist by Vincenzo Vitelli, PNAS 109, 12266 (2012)
  35. Shuo Yang, Kai Sun, and S. Das Sarma,
    Quantum Phases of Disordered Flatband Lattice Fractional Quantum Hall Systems,
    Physical Review B 85, 205124 (2012)
  36. Maxim Dzero, Kai Sun, Piers Coleman, and Victor Galitski,
    Theory of Topological Kondo Insulators,
    Physical Review B 85, 045130 (2012).
  37. Kai Sun, W. Vincent Liu, Andreas Hemmerich, and S. Das Sarma,
    Topological Semimetal in a Fermionic Optical Lattice,
    Nature Physics 8, 67 (2012).
  38. Christopher N. Varney, Kai Sun, Marcos Rigol, and Victor Galitski,
    Topological Phase Transitions for Interacting Finite Systems,
    Physical Review B 84, 241105 (2011).
  39. Christopher N. Varney, Kai Sun, Victor Galitski, and Marcos Rigol,
    Kaleidoscope of Exotic Quantum Phases in a Frustrated XY Model,
    Physical Review Letters 107, 077201 (2011).
    See accompanying viewpoint: Quantum liquids move to a higher dimension by Tameem Albash and Stephan Haas, Physics 4, 62 (2011).
  40. D. N. Sheng, Zheng-Cheng Gu, Kai Sun, and L. Sheng,
    Fractional Quantum Hall Effect in the Absence of Landau Levels,
    Nature Communications 2, 389 (2011)
  41. Kai Sun, Zhengcheng Gu, Hosho Katsura, and S. Das Sarma,
    Nearly Flatbands with Nontrivial Topology,
    Physical Review Letters 106, 236803 (2011).
    See accompanying viewpoint: Fractional quantum Hall effect without Landau levels, by Rahul Roy and Shivaji L. Sondhi, Physics 4, 46 (2011).
  42. Christopher N. Varney, Kai Sun, Marcos Rigol, and Victor Galitski,
    Interaction Effects and Quantum Phase Transitions in Topological Insulators,
    Physical Review B 82, 115125 (2010).
  43. Kai Sun, Congjun Wu, and S. Das Sarma,
    Spontaneous Inhomogeneous Phases in Ultracold Dipolar Fermi Gases,
    Physical Review B 82, 075105 (2010).
  44. Kai Sun, Erhai Zhao, and W. Vincent Liu,
    Topological Phases of Dipolar Particles in Elongated Wannier Orbitals,
    Physical Review Letters 104, 165303 (2010).
  45. Maxim Dzero, Kai Sun, Victor Galitski, and Piers Coleman,
    Topological Kondo Insulators,
    Physical Review Letters 104, 106408 (2010).
  46. Kai Sun, Michael J. Lawler, and Eun-Ah Kim,
    Spin-Charge Interplay in Electronic Liquid Crystals: Fluctuating Spin Stripe Driven by Charge Nematic Ordering,
    Physical Review Letters 104, 106405 (2010).
  47. Meng Cheng, Kai Sun, Victor Galitski, and S. Das Sarma,
    Stable Topological Superconductivity in a Family of Two-Dimensional Fermion Models,
    Physical Review B 81, 024504 (2010).
  48. Kai Sun, Hong Yao, Eduardo Fradkin, and Steven A. Kivelson,
    Topological Insulators and Nematic Phases from Spontaneous Symmetry Breaking in 2d Fermi Systems with a Quadratic Band Crossing,
    Physical Review Letters 103, 046811 (2009).
  49. M. Fregoso Benjamin, Sun Kai, Fradkin Eduardo, and L. Lev Benjamin,
    Biaxial Nematic Phases in Ultracold Dipolar Fermi Gases,
    New Journal of Physics 11, 103003 (2009).
  50. Kai Sun and Eduardo Fradkin,
    Time-Reversal Symmetry Breaking and Spontaneous Anomalous Hall Effect in Fermi Fluids,
    Physical Review B 78, 245122 (2008).
  51. Kai Sun, Benjamin M. Fregoso, Michael J. Lawler, and Eduardo Fradkin,
    Fluctuating Stripes in Strongly Correlated Electron Systems and the Nematic-Smectic Quantum Phase Transition,
    Physical Review B 78, 085124 (2008).
  52. Congjun Wu, Kai Sun, Eduardo Fradkin, and Shou-Cheng Zhang,
    Fermi Liquid Instabilities in the Spin Channel,
    Physical Review B 75, 115103 (2007).
  53. Kai Sun, Xiao-Ming Mao, and Qi Ouyang,
    Social Influence in Small-World Networks,
    Chinese Physics 11, 1280 (2002).
  54. Xiao-Ming Mao, Kai Sun, and Qi Ouyang,
    Stochastic Resonance in a Financial Model,
    Chinese Physics 11, 1106 (2002).
  55. Kai Sun and Qi Ouyang,
    Microscopic Self-Organization in Networks,
    Physical Review E 64, 026111 (2001).
  56. Kai Sun and Qi Ouyang,
    Distance Distribution and Reliability of Small-World Networks,
    Chinese Physics Letters 18, 452 (2001).