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Disorder effects on the quantum coherence of a many-boson system | | Zhi-Hai Zhang
; Pei Lu
; Shiping Feng
; Shi-Jie Yang
; | | Date: |
16 Jan 2012 | | Abstract: | The effects of disorders on the quantum coherence for many-bosons are studied
in a double well model. For the ground state, the disorder enhances the quantum
coherence. In the deep Mott regime, dynamical evolution reveals periodical
collapses and revivals of the quantum coherence which is robust against the
disorder. The average over variations in both the on-site energy and the
interaction reveals a beat phenomenon of the coherence-decoherence oscillation
in the temporal evolution. | | Source: | arXiv, 1201.3144 | | Services: | Forum | Review | PDF | Favorites | |
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