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Coherent states of composite bosons

Authors
  • Lee, Su-Yong
  • Thompson, Jayne
  • Kurzynski, Pawel
  • Soeda, Akihito
  • Kaszlikowski, Dagomir
Type
Published Article
Publication Date
Dec 05, 2013
Submission Date
Sep 18, 2013
Identifiers
DOI: 10.1103/PhysRevA.88.063602
Source
arXiv
License
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External links

Abstract

We present a systematic analysis on coherent states of composite bosons consisting of two distinguishable particles. By defining an effective composite boson (coboson) annihilation operator, we derive its eigenstate and commutator. Depending on the elementary particles comprising the composite particles, we gauge the resemblance between this eigenstate and traditional coherent states through typical measures of nonclassicality, such as quadrature variances and Mandel's Q parameter. Furthermore, we show that the eigenstate of the coboson annihilation operator is useful in estimating the maximum eigenvalue of the coboson number operator.

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