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JOURNALS // Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki // Archive

Pis'ma v Zh. Èksper. Teoret. Fiz., 2012 Volume 95, Issue 1, Pages 48–54 (Mi jetpl2417)

This article is cited in 3 papers

QUANTUM INFORMATION SCIENCE

Dual squeezed states

A. I. Trubilko

Saint-Petersburg State University of Aerospace Instrumentation

Abstract: Collective operators corresponding to two different algebras have been introduced for a simple system consisting of a single two-level atom and a high-quality cavity mode. The generators of the first algebra satisfy boson commutation relations, whereas the generators of the second algebra have been obtained by polynomial deformation of su(2) algebra. It has been shown that dual squeezed states identified using the considered commutation relations can be observed in the system placed in an entangled bath with quantum correlations.

Received: 16.11.2011


 English version:
Journal of Experimental and Theoretical Physics Letters, 2012, 95:1, 44–50

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