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cond-mat.quant-gas2010★ 19 cited
Entanglement spectrum: Identification of the transition from vortex-liquid to vortex-lattice state in a weakly interacting rotating Bose-Einstein condensate
Zhao Liu, Hong-Li Guo, Vlatko Vedral +1
We use entanglement to investigate the transition from vortex liquid phase to vortex lattice phase in weakly interacting rotating Bose-Einstein condensate (BEC). Ground state entan…
cond-mat.quant-gas2009★ 15 cited
Quantum Information Approach to Rotating Bose-Einstein Condensate
Zhao Liu, Hongli Guo, Shu Chen +1
We investigate the 2D weakly interacting Bose-Einstein condensate in a rotating trap by the tools of quantum information theory. The critical exponents of the ground state fidelity…