Spectral conditions for entanglement witnesses versus bound entanglement

Journal Article · Thu Oct 15 00:00:00 EDT 2009 · Physical Review. A

DOI:https://doi.org/10.1103/PHYSREVA.80.042314· OSTI ID:21316367

Chruscinski, Dariusz; Kossakowski, Andrzej; Sarbicki, Gniewomir ^[1]

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1. Institute of Physics, Nicolaus Copernicus University, GrudziaPdzka 5/7, 87-100 Torun (Poland)

It is shown that entanglement witnesses constructed via the family of spectral conditions are decomposable, i.e., cannot be used to detect bound entanglement. It supports several observations that bound entanglement reveals highly nonspectral features.

• OSTI ID: 21316367
• Journal Information: Physical Review. A, Vol. 80, Issue 4; Other Information: DOI: 10.1103/PhysRevA.80.042314; (c) 2009 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 1050-2947
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
INFORMATION THEORY
QUANTUM ENTANGLEMENT
QUANTUM INFORMATION
QUANTUM MECHANICS