NDLI: Entropic entanglement criteria for Fermion systems

Content Provider	Springer Nature Link
Author	Zander, C. Plasti, A. R. Casas, M. Plasti, A.
Copyright Year	2012
Abstract	Entanglement criteria for general (pure or mixed) states of systems consisting of two identical fermions are introduced. These criteria are based on appropriate inequalities involving the entropy of the global density matrix describing the total system, on the one hand, and the entropy of the one-particle reduced density matrix, on the other hand. A majorization-related relation between these two density matrices is obtained, leading to a family of entanglement criteria based on Rényi’s entropic measure. These criteria are applied to various illustrative examples of parametrized families of mixed states. The dependence of the entanglement detection efficiency on Rényi’s entropic parameter is investigated. The extension of these criteria to systems of N identical fermions is also considered.
Starting Page	1
Ending Page	13
Page Count	13
File Format	PDF
ISSN	14346060
Journal	The European Physical Journal D - Atomic, Molecular, Optical and Plasma Physics
Volume Number	66
Issue Number	1
e-ISSN	14346079
Language	English
Publisher	Springer-Verlag
Publisher Date	2012-01-25
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Quantum Information Physical Chemistry Spectroscopy/Spectrometry Nonlinear Dynamics Atomic, Molecular, Optical and Plasma Physics Quantum Information Technology, Spintronics Quantum Physics
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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