Published December 2011 | Version v1
Journal article

Multipartite entanglement detection from correlation tensors

  • 1. Institut fuer Theoretische Physik, Universitaet Innsbruck, Technikerstrasse 25, A-6020 Innsbruck (Austria)
  • 2. Faculty of Physics, University of Vienna, Boltzmanngasse 5, A-1090 Vienna (Austria)

Description

We introduce a general framework for detecting genuine multipartite entanglement and non-full-separability in multipartite quantum systems of arbitrary dimensions based on correlation tensors. Regarding genuine multipartite entanglement, our conditions are comparable to those of previous approaches in the case of qubits, while they show particular strength in the relatively unexplored case of higher-dimensional systems. In the case of non-full-separability, our conditions prove to be advantageous in situations where more than two-body correlations are relevant, where most previous conditions turned out to be weak. Moreover, they allow for the detection of fully bound entangled states. Finally, we also discuss experimentally friendly ways of implementing our conditions, which are based on directly measurable quantities.

Additional details

Publishing Information

Journal Title
Physical Review. A
Journal Volume
84
Journal Issue
6
Journal Page Range
p. 062306-062306.10
ISSN
1050-2947
CODEN
PLRAAN

INIS

Country of Publication
United States
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
44053707
Subject category
S71: CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS;
Descriptors DEI
CORRELATIONS; DETECTION; QUANTUM ENTANGLEMENT; QUANTUM MECHANICS; QUANTUM STATES; QUBITS; TENSORS; TWO-BODY PROBLEM
Descriptors DEC
INFORMATION; MANY-BODY PROBLEM; MECHANICS; QUANTUM INFORMATION

Optional Information

Notes
(c) 2011 American Institute of Physics