Even and odd q-deformed charge coherent states and their nonclassical properties

Even and odd q-deformed charge coherent states are constructed, their (over)completeness proved and their generation explored. A $D$-algebra realization of the SU$_q$(1,1) generators is given in terms of them. They are shown to exhibit SU$_q$(1,1) squeezing and two-mode $q$-antibunching, but neither one-mode, nor two-mode $q$-squeezing.

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