0404029v3

related topics
{photon, photons, single}
{states, state, optimal}
{cos, sin, state}
{entanglement, phys, rev}
{wave, scattering, interference}
{operator, operators, space}
{field, particle, equation}
{bell, inequality, local}
{group, space, representation}
{measurement, state, measurements}
{light, field, probe}
{let, theorem, proof}
{state, states, coherent}
{theory, mechanics, state}

Intrinsic Entanglement Degradation by Multi-Mode Detection

A. Aiello, J. P. Woerdman

abstract: Relations between photon scattering, entanglement and multi-mode detection are investigated. We first establish a general framework in which one- and two-photon elastic scattering processes can be discussed, then we focus on the study of the intrinsic entanglement degradation caused by a multi-mode detection. We show that any multi-mode scattered state cannot maximally violate the Bell-CHSH inequality because of the momentum spread. The results presented here have general validity and can be applied to both deterministic and random scattering processes.

oai_identifier:
oai:arXiv.org:quant-ph/0404029
categories:
quant-ph
comments:
12 pages, 4 figures, v3: minor changes. Phys. Rev. A (2004), to be published
doi:
10.1103/PhysRevA.70.023808
arxiv_id:
quant-ph/0404029
created:
2004-04-05
updated:
2004-07-28

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