Zi Cai
University of California, San Diego
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Publication
Featured researches published by Zi Cai.
Physical Review A | 2012
Zi Cai; Xiang-Fa Zhou; Congjun Wu
We investigate magnetic properties in the superfluid and Mott-insulating states of two-component bosons with spin-orbit (SO) coupling in two-dimensional square optical lattices. The spin-independent hopping integral
Bulletin of the American Physical Society | 2011
Zi Cai; Yupeng Wang; Congjun Wu
t
Physical Review A | 2014
Marie Piraud; Zi Cai; Ian P. McCulloch; Ulrich Schollwöck
and SO coupled one
Physical Review Letters | 2014
Da Wang; Yi Li; Zi Cai; Zhichao Zhou; Yu Wang; Congjun Wu
\ensuremath{\lambda}
Physical Review B | 2013
Zi Cai; Hsiang-hsuan Hung; Lei Wang; Congjun Wu
are fitted from band-structure calculations in the continuum, which exhibit oscillations with increasing SO coupling strength. The magnetic superexchange model is derived in the Mott-insulating state with one particle per site, characterized by the Dzyaloshinsky-Moriya interaction. In the limit of
Physical Review B | 2013
Zi Cai; V. G. Rousseau; Congjun Wu; R. T. Scalettar; G. G. Batrouni; Arnold Sommerfeld
|\ensuremath{\lambda}|\ensuremath{\ll}|t|
Physical Review B | 2014
Zhichao Zhou; Zi Cai; Congjun Wu; Yu Wang
, we find a spin spiral Mott state whose pitch value is the same as that in the incommensurate superfluid state, while in the opposite limit
Physical Review B | 2011
Zi Cai; Lei Wang; X. C. Xie; Ulrich Schollwöck; Xiangrong Wang; M. Di Ventra; Yupeng Wang
|t|\ensuremath{\ll}|\ensuremath{\lambda}|
Bulletin of the American Physical Society | 2012
Zi Cai; Lu-Ming Duan; Congjun Wu
, the ground state exhibits a
Physical Review B | 2017
Zi Cai; Claudius Hubig; Ulrich Schollwöck
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