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10 papers · 2 filters
Quantum Entanglement transfer between spin-pairs
Qing-You Meng, Fu-Lin Zhang, Jing-Ling Chen
We investigate the transfer of entanglement from source particles (SP) to target particles (TP) in the Heisenberg interaction . In our research, TP…
Geometric phase for nonlinear coherent and squeezed state
Da-Bao Yang, Ying Chen, Fu-Lin Zhang +1
The geometric phases for standard coherent states which are widely used in quantum optics have attracted a large amount of attention. Nevertheless, few physicists consider about th…
Detecting Full N-Particle Entanglement in Arbitrarily High-Dimensional Systems with Bell-Type Inequality
Jing-Ling Chen, Dong-Ling Deng, Hong-Yi Su +2
We derive a set of Bell-type inequalities for arbitrarily high-dimensional systems, based on the assumption of partial separability in the hybrid local-nonlocal hidden variable mod…
Aharonov-Anandan phase in Lipkin-Meskov-Glick model
Da-Bao Yang, Jing-Ling Chen
In the system of several interacting spins, geometric phases have been researched intensively.However, the studies are mainly focused on the adiabatic case (Berry phase), so it is…
Perfect coherent shift of bound pairs in strongly correlated systems
L. Jin, Z. Song
In the present work we extend the concept of coherent shift for the extended Bose-Hubbard model and Fermi-Hubbard model. We present two types of local bound pair (BP) for Bose syst…
SU(2) symmetry in a Hubbard model with spin-orbit coupling
X. Z. Zhang, L. Jin, Z. Song
We study the underlying symmetry in a spin-orbit coupled tight-binding model with Hubbard interaction. It is shown that, in the absence of the on-site interaction, the system posse…