q- Deformed Boson Expansions

Details q- Deformed Boson Expansions q- Deformed Boson Expansions

1996-04-03

arxiv.org/abs/nucl-th/9604006v1

J.Phys.A29:5559-5564,1996

Physics

Nuclear Physics

Nuclear Theory

8 pages plus 2 figures (available upon request)

Scientific paper

10.1088/0305-4470/29/17/026

A deformed boson mapping of the Marumori type is derived for an underlying
$su(2)$ algebra. As an example, we bosonize a pairing hamiltonian in a two
level space, for which an exact treatment is possible. Comparisons are then
made between the exact result, our q- deformed boson expansion and the usual
non - deformed expansion.

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