Local-dephasing-induced entanglement sudden death in two-component finite-dimensional systems

Details Local-dephasing-induced entanglement sudden death in two-component finite-dimensional systems Local-dephasing-induced entanglement sudden death in two-component finite-dimensional systems

2007-09-20

arxiv.org/abs/0709.3233v1

Physics

Quantum Physics

8 pages, to appear in Phys. Rev. A

Scientific paper

10.1103/PhysRevA.76.044101

Entanglement sudden death (ESD), the complete loss of entanglement in finite time, is demonstrated to occur in a class of bipartite states of qu-d-it pairs of any finite dimension d > 2, when prepared in so-called `isotropic states' and subject to multi-local dephasing noise alone. This extends previous results for qubit pairs [T. Yu, J. H. Eberly, Phys. Rev. Lett. 97, 140403 (2006)] to all qu-d-it pairs with d > 2.

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