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Vacuum as a less hostile environment to entanglementopen access
- Authors
- Marek, Petr; Lee, Jinhyoung; Kim, Myung Shik
- Issue Date
- Mar-2008
- Publisher
- AMER PHYSICAL SOC
- Citation
- PHYSICAL REVIEW A, v.77, no.3, pp.1 - 7
- Indexed
- SCIE
SCOPUS
- Journal Title
- PHYSICAL REVIEW A
- Volume
- 77
- Number
- 3
- Start Page
- 1
- End Page
- 7
- ISSN
- 1050-2947
- Abstract
- We derive sufficient conditions for infinite-dimensional systems whose entanglement is not completely lost in a finite time during its decoherence by a passive interaction with local vacuum environments. The sufficient conditions allow us to clarify a class of bipartite entangled states which preserve their entanglement or, in other words, are tolerant against decoherence in a vacuum. We also discuss such a class for entangled qubits.
- Appears in
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Related Researcher
- Lee, Jin hyoung
- COLLEGE OF NATURAL SCIENCES (DEPARTMENT OF PHYSICS)