0410166v2

related topics
{temperature, thermal, energy}
{entanglement, phys, rev}
{field, particle, equation}
{cos, sin, state}

Equation of state for Entanglement in a Fermi gas

Christian Lunkes, Caslav Brukner, Vlatko Vedral

abstract: Entanglement distance is the maximal separation between two entangled electrons in a degenerate electron gas. Beyond that distance, all entanglement disappears. We relate entanglement distance to degeneracy pressure both for extreme relativistic and non-relativistic systems, and estimate the entanglement distance in a white dwarf. Treating entanglement as a thermodynamical quantity, we relate the entropy of formation and concurrence to relative electron distance, pressure, and temperature, to form a new equation of state for entanglement.

oai_identifier:
oai:arXiv.org:quant-ph/0410166
categories:
quant-ph
comments:
To appear in Phys. Rev. A., 4 pages, 1 figure
doi:
10.1103/PhysRevA.71.034309
arxiv_id:
quant-ph/0410166
journal_ref:
Phys. Rev. A 71, 034309 (2005)
created:
2004-10-21
updated:
2005-01-09

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