Some invariant biorthogonal sets with an application to coherent states

被引:0
|
作者
Bagarello, F. [1 ,2 ]
Triolo, S. [1 ]
机构
[1] Univ Palermo, DEIM Dipartimento Energia Ingn Informaz & Modelli, Fac Ingn, I-90128 Palermo, Italy
[2] Ist Nazl Fis Nucl, I-10125 Turin, Italy
关键词
Coherent states; Biorthogonal sets; HAMILTONIANS;
D O I
10.1016/j.jmaa.2014.01.071
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We show how to construct, out of a certain basis invariant under the action of one or more unitary operators, a second biorthogonal set with similar properties. In particular, we discuss conditions for this new set to be also a basis of the Hilbert space, and we apply the procedure to coherent states. We conclude the paper considering a simple application of our construction to pseudo-Hermitian quantum mechanics. (C) 2014 Elsevier Inc. All rights reserved.
引用
收藏
页码:462 / 476
页数:15
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