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The suq(1,1) q-coherent states and their nonclassical properties

Authors
Journal
Physics Letters A
0375-9601
Publisher
Elsevier
Publication Date
Volume
173
Issue
3
Identifiers
DOI: 10.1016/0375-9601(93)90267-4
Disciplines
  • Mathematics

Abstract

Abstract The su q (1,1) q-coherent states ( q-CSs) are composed of two subspaces and they are shown to satisfy a unity resolution relation. A matrix realization of su q (1,1) is obtained in terms of a q-derivative operator. Nonclassical properties of the su q (1,1) q-CSs are also studied. It is found that the su q (1,1) q-CSs are the minimum uncertainty states of the su q (1,1) algebra, and the two subspaces of them exhibit very different nonclassical properties.

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