Dissipative scheme to approach the boundary of two-qubit entangled mixed states


Autoria(s): Campbell, Steve; Paternostro, Mauro
Data(s)

03/03/2009

Resumo

We discuss the generation of states close to the boundary family of maximally entangled mixed states as defined by the use of concurrence and linear entropy. The coupling of two qubits to a dissipation-affected bosonic mode is able to produce a bipartite state having, for all practical purposes, the entanglement and mixedness properties of one of such boundary states. We thoroughly study the effects that thermal and squeezed characters of the bosonic mode have in such a process and we discuss tolerance to qubit phase-damping mechanisms. The nondemanding nature of the scheme makes it realizable in a matter-light-based physical setup, which we address in some details.

Identificador

http://pure.qub.ac.uk/portal/en/publications/dissipative-scheme-to-approach-the-boundary-of-twoqubit-entangled-mixed-states(20d16a0b-2252-40ab-829f-59bd85639dfc).html

http://dx.doi.org/10.1103/PhysRevA.79.032314

http://www.scopus.com/inward/record.url?scp=63149114261&partnerID=8YFLogxK

Idioma(s)

eng

Direitos

info:eu-repo/semantics/restrictedAccess

Fonte

Campbell , S & Paternostro , M 2009 , ' Dissipative scheme to approach the boundary of two-qubit entangled mixed states ' Physical Review A , vol 79 , no. 3 , 032314 , pp. 032314-032315 . DOI: 10.1103/PhysRevA.79.032314

Palavras-Chave #/dk/atira/pure/subjectarea/asjc/3100/3107 #Atomic and Molecular Physics, and Optics
Tipo

article