k-Component q-deformed charge coherent states and their nonclassical properties

Details k-Component q-deformed charge coherent states and their nonclassical properties k-Component q-deformed charge coherent states and their nonclassical properties

2005-03-08

arxiv.org/abs/quant-ph/0503076v2

Physics

Quantum Physics

LaTeX, 29 pages, 2 Postscript figures, minor changes

Scientific paper

10.1063/1.1951607

k-Component q-deformed charge coherent states are constructed, their (over)completeness proved and their generation explored. The q-deformed charge coherent states and the even (odd) q-deformed charge coherent states are the two special cases of them as k becomes 1 and 2, respectively. A D-algebra realization of the SU$_q$(1,1) generators is given in terms of them. Their nonclassical properties are studied and it is shown that for $k\geq3$, they exhibit two-mode q-antibunching, but neither SU$_q$(1,1) squeezing, nor one- or two-mode q-squeezing.

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