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Title: Impact of quantum-classical correspondence on entanglement enhancement by single-mode squeezing
Authors: Joseph, Sijo K.
Chew, Lock Yue
Sanjuán, Miguel A. F.
Keywords: DRNTU::Science::Physics::Atomic physics::Quantum theory
Issue Date: 2014
Source: Joseph, S. K., Chew, L. Y., & Sanjuán, M. A. (2014). Impact of quantum-classical correspondence on entanglement enhancement by single-mode squeezing. Physics letters A, 378(35), 2603-2610.
Series/Report no.: Physics letters A
Abstract: Quantum entanglement between two field modes can be achieved through the collective squeezing of the two respective modes. If single-mode squeezing is performed prior to such a two-mode squeezing, an enhancement of entanglement production can happen. Interestingly, the occurrence of this enhancement can be implicitly linked to the local classical dynamical behavior via the paradigm of quantum–classical correspondence. In particular, the entanglement generated through quantum chaos is found to be hardly enhanced by prior squeezing, since it is bounded by the saturation value of the maximally entangled Schmidt state with fixed energy. These results illustrate that entanglement enhancement via initial squeezing can serve as a useful indicator of quantum chaotic behaviour.
ISSN: 0375-9601
DOI: 10.1016/j.physleta.2014.07.014
Schools: School of Physical and Mathematical Sciences 
Rights: © 2014 Elsevier. This is the author created version of a work that has been peer reviewed and accepted for publication by Physics Letters A, Elsevier. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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