0509195v1

related topics
{state, states, entangled}
{particle, mechanics, theory}
{temperature, thermal, energy}
{operator, operators, space}
{information, entropy, channel}
{entanglement, phys, rev}
{states, state, optimal}
{theory, mechanics, state}
{algorithm, log, probability}
{measurement, state, measurements}
{observables, space, algebra}
{vol, operators, histories}

Identical particles and entanglement

GianCarlo Ghirardi, Luca Marinatto

abstract: We review two general criteria for deciding whether a pure bipartite quantum state describing a system of two identical particles is entangled or not. The first one considers the possibility of attributing a complete set of objective properties to each particle belonging to the composed system, while the second is based both on the consideration of the Slater-Schmidt number of the fermionic and bosonic analog of the Schmidt decomposition and on the evaluation of the von Neumann entropy of the one-particle reduced statistical operators.

oai_identifier:
oai:arXiv.org:quant-ph/0509195
categories:
quant-ph
comments:
8 pages; Latex; Talk delivered at the International Conference on Quantum Optics 2004, Minsk, Belarus
doi:
10.1134/1.2055932
arxiv_id:
quant-ph/0509195
journal_ref:
Optics and Spectroscopy 99, 386 (2005)
created:
2005-09-28

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