Journal
JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL
Volume 44, Issue 16, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/1751-8113/44/16/165304
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Funding
- Nicolaus Copernicus [383-F]
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We provide a generalization of the reduction and Robertson positive maps in matrix algebras. They give rise to a new class of optimal entanglement witnesses. Their structural physical approximation is analyzed. As a byproduct we provide new examples of PPT (positive partial transpose) entangled states.
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