We consider the entanglement of orthogonal generalized Bernoulli states in two separate single-mode high-Q cavities. The expectation values and the correlations of the electric field in the cavities are obtained. We then define, in each cavity, a dichotomic operator expressible in terms of the field states which can be, in principle, experimentally measured by a probe atom that "reads" the field. Using the quantum correlations of couples of these operators, we construct a Bell's inequality which is shown to be violated for a wide range of the degree of entanglement and which can be tested in a simple way. Thus the cavity fields directly show quantum nonlocal properties. A scheme is also sketched to generate entangled orthogonal generalized Bernoulli states in the two separate cavities.

R LO FRANCO, COMPAGNO G, A MESSINA, & A NAPOLI (2005). Bell's inequality violation for entangled generalized Bernoulli states in two spatially separate cavities. PHYSICAL REVIEW A, 72(5) [10.1103/PhysRevA.72.053806].

Bell's inequality violation for entangled generalized Bernoulli states in two spatially separate cavities

LO FRANCO, Rosario;COMPAGNO, Giuseppe;MESSINA, Antonino;NAPOLI, Anna
2005

Abstract

We consider the entanglement of orthogonal generalized Bernoulli states in two separate single-mode high-Q cavities. The expectation values and the correlations of the electric field in the cavities are obtained. We then define, in each cavity, a dichotomic operator expressible in terms of the field states which can be, in principle, experimentally measured by a probe atom that "reads" the field. Using the quantum correlations of couples of these operators, we construct a Bell's inequality which is shown to be violated for a wide range of the degree of entanglement and which can be tested in a simple way. Thus the cavity fields directly show quantum nonlocal properties. A scheme is also sketched to generate entangled orthogonal generalized Bernoulli states in the two separate cavities.
Settore FIS/03 - Fisica Della Materia
https://journals.aps.org/pra/abstract/10.1103/PhysRevA.72.053806
R LO FRANCO, COMPAGNO G, A MESSINA, & A NAPOLI (2005). Bell's inequality violation for entangled generalized Bernoulli states in two spatially separate cavities. PHYSICAL REVIEW A, 72(5) [10.1103/PhysRevA.72.053806].
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/10447/17026
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