|
| related topics |
| {entanglement, phys, rev} |
| {photon, photons, single} |
| {time, decoherence, evolution} |
| {bell, inequality, local} |
| {field, particle, equation} |
| {energy, gaussian, time} |
| {level, atom, field} |
| {force, casimir, field} |
| {energy, state, states} |
| {particle, mechanics, theory} |
| {state, states, entangled} |
| {time, wave, function} |
| {cos, sin, state} |
| {trap, ion, state} |
|
Violating Bell's inequalities in the vacuum
Benni Reznik, Alex Retzker, Jonathan Silman
abstract: We employ an approach wherein vacuum entanglement is directly probed in a
controlled manner. The approach consists of having a pair of initially
nonentangled detectors locally interact with the field for a finite duration,
such that the two detectors remain causally disconnected, and then analyzing
the resulting detector mixed state. It is demonstrated that the correlations
between arbitrarily far-apart regions of the vacuum of a relativistic free
scalar field cannot be reproduced by a local hidden-variable model, and that as
a function of the distance L between the regions, the entanglement decreases at
a slower rate than exp(-(L/cT)^3).
- oai_identifier:
- oai:arXiv.org:quant-ph/0310058
- categories:
- quant-ph
- comments:
- 4 pages, 3 figures. A discussion has been added on the nature of the
relativistic corrections for the particle detectors. We argue that such
corrections do not affect the conclusions
- doi:
- 10.1103/PhysRevA.71.042104
- arxiv_id:
- quant-ph/0310058
- journal_ref:
- Phys. Rev. A 71, 042104 (2005)
- created:
- 2003-10-09
- updated:
- 2004-12-14
Full article ▸
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