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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… Expand

2018

2018

A master equation has been constructed for a global system–bath interaction in the both absence and presence of non-Markovian… Expand

2015

2015

Teleportation is a well known protocol to transfer one qubit between users sharing a Bell pair. By treating teleportation as a… Expand

2009

2009

We consider the problem of computing the family of operator norms recently introducedin [1]. We develop a family of semidefinite… Expand

2006

2006

The tomographic approach to quantum mechanics is revisited as a direct tool to investigate the violation of Bell-like… Expand

2006

2006

We give explicit expressions for entanglement measures of Werner states in arbitrary dimensions in terms of concurrence and… Expand

Review

2004

Review

2004

The positive and not completely positive maps of density matrices, which are contractive maps, are discussed as elements of a… Expand

2004

2004

Bell-inequality violation and entanglement, measured by Wootters' concurrence and negativity, of two qubits initially in Werner… Expand

2002

2002

We investigate the separability, nonlocality, and squeezing of the continuous-variable analog of the Werner state: a mixture of a… Expand

2001

2001

Abstract Entanglement is a critical resource used in many current quantum information schemes. As such entanglement has been… Expand