Spin squeezing with coherent light via entanglement swapping

We analyze theoretically a scheme that produces spin squeezing via the continuous swapping of atom-photon entanglement into atom-atom entanglement, and propose an explicit experimental system where the necessary atom-field coupling can be realized. This scheme is found to be robust against perturbat...

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Bibliographic Details
Published in:Physical review. A, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2011-05, Vol.83 (5), Article 053848
Main Authors: Taşgın, M. E., Meystre, P.
Format: Article
Language:English
Subjects:
ANGULAR MOMENTUM
ATOM COLLISIONS
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
COLLISIONS
COUPLING
DISTURBANCES
ELECTROMAGNETIC RADIATION
PARTICLE PROPERTIES
PHOTON COLLISIONS
PHOTON-ATOM COLLISIONS
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
QUANTUM ENTANGLEMENT
RADIATIONS
SPIN
VISIBLE RADIATION
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Description
Summary:We analyze theoretically a scheme that produces spin squeezing via the continuous swapping of atom-photon entanglement into atom-atom entanglement, and propose an explicit experimental system where the necessary atom-field coupling can be realized. This scheme is found to be robust against perturbations due to other atom-field coupling channels.
ISSN:1050-2947
1094-1622
DOI:10.1103/PhysRevA.83.053848