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2008 | 6 | 2 | 199-204
Article title

Entanglement conditions for four-mode states via the uncertainty relations in conjunction with partial transposition

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Abstracts
EN
From the Heisenberg uncertainty relation in conjunction with partial transposition, we derive a class of inequalities for detecting entanglements in four-mode states. The sufficient conditions for bipartite entangled states are presented. We also discuss the generalization of the entanglement conditions via the Schrödinger-Robertson indeterminacy relation, which are in general stronger than those based on the Heisenberg uncertainty relation.
Contributors
  • Zhejiang Institute of Modern Physics, Department of Physics, Zhejiang University, HangZhou, 310027, P.R.China
author
  • School of Science, Lanzhou University of Technology, Lanzhou, 730050, P.R.China
author
  • School of Science, Changchun University of Science and Technology, Changchun, 130022, P.R.China
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.-psjd-doi-10_2478_s11534-008-0058-5
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