New nonlinear coherent states based on hypergeometric-type operators

被引:17
|
作者
Dehghani, A. [1 ]
Mojaveri, B. [2 ]
机构
[1] Payame Noor Univ, Dept Phys, Tehran, Iran
[2] Azarbaijan Univ Tarbiat Moallem, Dept Phys, Tabriz, Iran
关键词
CONTINUOUS-REPRESENTATION THEORY; QUANTUM; SUPERPOSITIONS;
D O I
10.1088/1751-8113/45/9/095304
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The main goal of this paper is to present an alternative method to construct new kinds of nonlinear coherent states. To do this, we first establish a class of hypergeometric type of generalized displacement operators, F-1(r)([0], [0, 1, ... , r - 1], za(dagger)), act on the vacuum state of the harmonic oscillator and generate normalized quantum states of the Fock space which admit a resolution of the identity through a positive definite measure on the complex plane. Furthermore, realization of the compact form of these states, as functions of the position coordinate x for r = 2, leads to a generating function of the Hermite polynomials in terms of the modified Bessel function. Finally, studying some statistical characters reveals that they have indeed non-classical features such as squeezing, an anti-bunching effect and sub-Poissonian statistics, too.
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页数:9
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