Entanglement of Dirac fields in noninertial frames

Journal Article · Fri Sep 15 00:00:00 EDT 2006 · Physical Review. A

DOI:https://doi.org/10.1103/PHYSREVA.74.032326· OSTI ID:20857679

Alsing, P M; Tessier, T E ^[1]; Fuentes-Schuller, I ^[2]; Mann, R B ^[2]

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1. Department of Physics and Astronomy, University of New Mexico, Albuquerque, New Mexico 87131-1156 (United States)
2. Perimeter Institute, 31 Caroline Street North Waterloo, Ontario N2L 2Y5 (Canada)

We analyze the entanglement between two modes of a free Dirac field as seen by two relatively accelerated parties. The entanglement is degraded by the Unruh effect and asymptotically reaches a nonvanishing minimum value in the infinite acceleration limit. This means that the state always remains entangled to a degree and can be used in quantum information tasks, such as teleportation, between parties in relative uniform acceleration. We analyze our results from the point of view afforded by the phenomenon of entanglement sharing and in terms of recent results in the area of multiqubit complementarity.

• OSTI ID: 20857679
• Journal Information: Physical Review. A, Vol. 74, Issue 3; Other Information: DOI: 10.1103/PhysRevA.74.032326; (c) 2006 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 1050-2947
• Country of Publication: United States
• Language: English

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