Nonclassical character of states exhibiting no squeezing or sub-Poissonian statistics

G. S. Agarwal and K. Tara
Phys. Rev. A 46, 485 – Published 1 July 1992
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Abstract

A criterion is evolved for testing the nonclassical character of the field even if it does not exhibit squeezing and sub-Poissonian statistics. An explicit example of a state of the field is given to demonstrate the utility of this criterion. The production of such a state by state-reduction methods is also shown. This criterion also enables us to study the nonclassical character of the Schrödinger cat state in regions where it does not exhibit sub-Poissonian statistics.

  • Received 26 November 1991

DOI:https://doi.org/10.1103/PhysRevA.46.485

©1992 American Physical Society

Authors & Affiliations

G. S. Agarwal and K. Tara

  • School of Physics, University of Hyderabad, Hyderabad 500 134, India

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Vol. 46, Iss. 1 — July 1992

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