Education

International Center for Theoretical Physics, Italy, 1996.6-9
Institute of Theoretical Physics, ETH-L, Switzerland, 1997.2-11 
Department of Physics, University of Cincinnati , USA, 1997.12-1998.3 
Institute for Physics,  Augsburg University,  Germany, 1999.5-2001.8
Department of Physics, Chinese University of Hong  Kong, 2002.1-3 
Department of Physics, The  University of Hong  Kong, 2004.5, 2005.5

Cheung Kong Scholar approved by China Education Ministry since 2001.9

Theoretical condensed matter physics, especially novel phenomena in condensed system and their potential applications, multiferroics and cold atoms.

   Hong-Bo Chen, Ning-Ju Hui, Ye-Hua Liu, and Shan Zhu

Shi-Jian Gu,  Guo-Qiang Zhu,  Hui-Xiang Huang,  Jiang-Xin Chen,  Yong-Yun Ji  Jun-Wen Mao and Pei Wang,  Yuan Li,  Pei-Qing Jin, Lin-Yun Deng, Xiao-Qiang Xu,

Representative Publications (full list of papers, conference talks)

• You-Quan Li, Ye-Hua Liu and Yi Zhou, General spin order theory via gauge Landau-Lifshitz equation, Phys. Rev. B. 84, 205123 (2011) [pdf] arXiv:1101.2590

•  H.B. Chen, Y. Zhou and You-Quan Li, The splitting of the electromagnon mode in conically spiral multiferroic magnets,
  J. Phys.: Condens. Matter 23 (2011) 066002. [pdf]

• N.J. Hui, X.Q. Xu, and You-Quan Li, Instability of Bose-Einstein condensates in tilted lattices with time-periodical modulation,
  J. Phys. B 43, 205307 (2010) [pdf] 

• L.H. Lu and You-Quan Li, Dynamics for partially coherent Bose-Einstein condensates in a double well,
  Phys. Rev. A 80, 033619 (2009) [pdf] arXiv:0909.0845

•  X.Q. Xu, L.H. Lu and You-Quan Li,Enhancing molecular conversion efficiency by a magnetic field pulse sequence,
  Phys. Rev. A 80, 033621 (2009) [pdf]arXiv:0909.0414

• L.H. Lu and You-Quan Li, Atom-to-molecule conversion efficiency and adiabatic fidelity,
  Phys. Rev. A 77, 053611 (2008) [pdf]  arXiv:0803.1297

• P.Q. Jin and You-Quan Li,  Understanding spin transport from the motion in SU(2)xU(1) fields
  Phys. Rev. B 77, 155304 (2008) [pdf] cond-mat/0608303 extended arXiv:0803.1101
  Selected by Virtual Journal of Nanoscale Science & Technology

• P.Q. Jin and You-Quan Li, Magnification of the spin Hall effect in a bilayer electron gas,
  Phys. Rev. B 76, 235311 (2007) [pdf] arXiv:cond-mat/0702456,
  Selected by Virtual Journal of Nanoscale Science  & Technology

• L.H. Lu and You-Quan Li, The effects of optically induced non-Abelian gauge field in cold atoms,
  Phys. Rev. A 76, 023410 (2007)  [pdf] cond-mat/0701481.  

• P. Wang, You-Quan Li, and  X.A. Zhao,  Nonvanishing of spin Hall current in the presence of magnetic impurities,
  Phys. Rev. B 75(7), 075326 (2007)  [pdf] cond-mat/0610776

• P.Q. Jin and You-Quan Li, Generalized Kubo formula for spin transport: a theory of linear response to non-Abelian fields, 
  Phys. Rev. B 74, 085315 (2006)  pdf  cond-mat/0605067 Selected by Virtual J of Nano Sci & Tech 

• P.Q. Jin, You-Quan Li, and F.C. Zhang，SU(2)xU(1) unified theory for charge, orbit and spin currents, 
  J. Phys A: Math. Gen. 39, 7115-7123 (2006)  [pdf]  cond-mat/0502231 

• You-Quan Li, Y.Y.Ji, J.W.Mao,and X.W.Tang, Medium effects on the selection of sequences folding into stable proteins in a simple model,
  Phys.Rev. E 72(2),021904 (2005) [pdf] q-bio.BM/0408024  Selected by Virtual J of Bio Phys Research 

• H.X. Huang, You-Quan Li and F.C. Zhang, Charge Ordered RVB States in the Doped Cuprates, 
  Phys. Rev. B 71(18), 184514 (2005) [pdf]  cond-mat/0408504  

• J.W. Mao, You-Quan Li, and Y.Y. Ji, The role of chaos in one-dimensional heat conductivity, 
  Phys.Rev.E 71(6),061202(2005) [pdf] cond-mat/0412147 

• SJ Gu, SS Deng, You-Quan Li, and HQ Lin,  Entanglement and quantum phase transition in the extended Hubbard model 
  Phys. Rev. Lett 93, 086402 (2004)  pdf   quant-ph/0310030   quant-ph/0405067

•  You-Quan Li, GS Tian, M Ma and HQ Lin, On the ground state and excitation of four-component fermion model,
  Phys. Rev. B 70, 233105 (2004)  [pdf] cond-mat/0407601

• SJ Gu, You-Quan  Li  and HQ Zhou, Phase diagram and symmetry breaking of SU(4) spin-orbital chain in a generalized external field
  Phys. Rev. B  69, 144405(2004)  pdf cond-mat/0308432 

• SJ Gu, HQ Lin,  and You-Quan  Li ，Entanglement, quantum phase transition and scaling in XXZ chain
  Phys. Rev. A 68 , 042330 (2003)  [pdf] quant-ph/0307131 

• You-Quan Li,  SJ Gu, ZJ Ying and U Eckern, Exact  results of the ground state and excitation properties of a two-component interacting Bose system
  Europhys. Lett. 61 , 368-374   (2003)  [pdf]   cond-mat/0211484

• SJ Gu  and You-Quan Li，Magnetic properties of SU(4) spin-orbital chain 
  Phys. Rev. B 66, 092404 (2002)  [pdf]  cond-mat/0210436  

• You-Quan Li,  Rigorous results for a hierarchy of generalized Heisenberg models
  Phys. Rev.  Lett. 87, 127208 (2001)   [pdf]  cond-mat/0201060

• You-Quan Li and U. Eckern, Theory of electrons with orbital degeneracy
  Phys. Rev. B 62, 15493-15498 (2000)  [pdf]   cond-mat/9911192  

• You-Quan Li, S.J. Gu, Z.J. Ying and U. Eckern, One-dimensional model for doubly degenerate electrons
  Phys. Rev. B 62(8), 4866-4879 (2000)   [pdf]  cond-mat/0001297

• You-Quan Li, M.Ma, D.N.Shi and F.C.Zhang, Ground state and excitations of spin chain with orbital degeneracy
  Phys. Rev. B 60(18), 12781 (1999) [pdf] cond-mat/9902269

• You-Quan Li, M.Ma, D.N.Shi and F.C.Zhang, SU(4) theory for spin systems with orbital degeneracy
  Phys. Rev. Lett. 81(16), 3527 (1998) [pdf] cond-mat/9804157

• You-Quan Li and C.Gruber, The Hubbard quantum wire
  Phys. Rev. Lett. 80, 1034 (1998) [pdf ] cond-mat/9709102  

• You-Quan Li and P.A. Bares,  Exact results for a Kondo impurity with electronic correlations
  Phys. Rev. B -rapid comm 56, R11384 (1997)  [pdf]  cond-mat/9708076  

• You-Quan Li and B.Chen, Quantum theory for mesoscopic electronic circuits
  Phys. Rev. B 53, 4027 (1996) pdf cond-mat/9606206  

• You-Quan Li and Z.S.Ma, Exact results of a hard-core interaction system with single impurity
  Phys. Rev. B -rapid comm  52, R13071 (1995)  [pdf]   cond-mat/9607041

• B Chen, You-Quan Li, H Fang, Z K Jiao and Q R Zhang, Quantum effects in the mesoscopic circuit
  Phys. Lett. A 205, 121-124(1995) [pdf]

• You-Quan Li, Yang-Baxterization,
  J. Math. Phys. 34 (2), 757-767(1993) [abs|pdf]

• You-Quan Li and Z.M. Sheng,  A q-deformation of quantum mechanics,
  J. Phys. A 25 (24), 6779-6788(1992) [pdf]

• You-Quan Li, M.L. Ge, K. Xue and L.Y.Wang, Weight conservation condition and structure of braid group representations, 
  J. Phys. A 24 (15), 3443-3454(1991) [pdf]

• You-Quan Li, Auxiliary linear equations for a class of nonlinear partial differential equations via jet-bundle formulation,
  J. Math. Phys. 31 (6), 1381-1387(1990)