Friday, November 9, 2012

1211.1907 (A. M. Gavrilik et al.)

Energy dependence of the entanglement entropy of composite boson
(quasiboson) systems
   [PDF]

A. M. Gavrilik, Yu. A. Mishchenko
Bipartite composite boson (quasiboson) systems, which admit realization in terms of deformed oscillators, were considered in our previous paper from the viewpoint of entanglement characteristics. These characteristics, including entanglement entropy, were expressed through the relevant deformation parameter for different quasibosonic states. On the other hand, it is of interest to present the entanglement entropy as function of energy for those states. In this work, the corresponding dependencies are found for different states of composite bosons realized by deformed oscillators and, for comparison, also for the hydrogen atom viewed as composite boson. The obtained results are analyzed and expressed graphically.
View original: http://arxiv.org/abs/1211.1907

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