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Werner state

A Werner state is a d × d-dimensional bipartite quantum state density matrix that is invariant under all unitary operators of the form . That is, it… 
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Papers overview

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2019
2019
We study the entanglement property of a free Dirac field in a Werner state as seen by two relatively accelerated parties. We… 
2018
2018
A master equation has been constructed for a global system–bath interaction in the both absence and presence of non-Markovian… 
2011
2011
We consider the problem of computing the family of operator norms recently introducedin [1]. We develop a family of semidefinite… 
2006
2006
The tomographic approach to quantum mechanics is revisited as a direct tool to investigate the violation of Bell-like… 
Review
2004
Review
2004
The positive and not completely positive maps of density matrices, which are contractive maps, are discussed as elements of a… 
2002
2002
We investigate the separability, nonlocality, and squeezing of the continuous-variable analog of the Werner state: a mixture of a… 
2001
2001
Abstract Entanglement is a critical resource used in many current quantum information schemes. As such entanglement has been…