Entanglement in composite bosons realized by deformed oscillators

Details Entanglement in composite bosons realized by deformed oscillators Entanglement in composite bosons realized by deformed oscillators

2011-08-03

arxiv.org/abs/1108.0936v2

Phys. Lett. A 376 (2012), pp.1596-1600

Physics

Quantum Physics

5 pages; v2: abstract and introduction rewritten, references added

Scientific paper

10.1016/j.physleta.2012.03.053

Composite bosons (or quasibosons), as recently proven, are realizable by deformed oscillators and due to that can be effectively treated as particles of nonstandard statistics (deformed bosons). This enables us to study quasiboson states and their inter-component entanglement aspects using the well developed formalism of deformed oscillators. We prove that the internal entanglement characteristics for single two-component quasiboson are determined completely by the parameter(s) of deformation. The bipartite entanglement characteristics are generalized and calculated for arbitrary multi-quasiboson (Fock, coherent etc.) states and expressed through deformation parameter.

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