0101096v1

related topics
{state, states, coherent}
{state, states, entangled}
{entanglement, phys, rev}
{information, entropy, channel}
{alice, bob, state}
{time, decoherence, evolution}
{bell, inequality, local}
{photon, photons, single}
{light, field, probe}

Entangled Nonorthogonal States and Their Decoherence Properties

Osamu Hirota, Steven J. van Enk, Kazuo Nakamura, Masaki Sohma, Kentaro Kato

abstract: This paper presents properties of the so-called quasi-Bell states: entangled states written as superpositions of nonorthogonal states. It is shown that a special class of those states, namely entangled coherent states, are more robust against decoherence due to photon absorption than the standard bi-photon Bell states.

oai_identifier:
oai:arXiv.org:quant-ph/0101096
categories:
quant-ph
comments:
13 pages, 1 figure. Submitted to J of Physics A
arxiv_id:
quant-ph/0101096
created:
2001-01-19

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