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Published in: Quantum Information Processing 6/2013

01-06-2013

Geometric phase and entanglement for a single qubit interacting with deformed-states superposition

Authors: K. Berrada, S. Abdel-Khalek, C. H. Raymond Ooi

Published in: Quantum Information Processing | Issue 6/2013

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Abstract

The geometric phase and quantum entanglement for a nonlinear field-atom system are described quantitatively in terms of different parameters. Specifically, considering a deformed Schrödinger cat interacting with a qubit and taking into account the time dependent of the system coupling. The results show that the initial state setting, atomic motion, photon number and deformation play important roles in the evolution of the system dynamics, nonlocal correlation and geometric phase. An interesting correlation between the entanglement and geometric phase is observed during the time evolution. The presented system is very useful to generate and maintain high amount of entanglement through controlling the phase variation of the system under consideration. We test this observation with experimentally accessible parameters and some new aspects are obtained.

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Metadata
Title
Geometric phase and entanglement for a single qubit interacting with deformed-states superposition
Authors
K. Berrada
S. Abdel-Khalek
C. H. Raymond Ooi
Publication date
01-06-2013
Publisher
Springer US
Published in
Quantum Information Processing / Issue 6/2013
Print ISSN: 1570-0755
Electronic ISSN: 1573-1332
DOI
https://doi.org/10.1007/s11128-012-0510-8

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