0610258v1

related topics
{state, phys, rev}
{entanglement, phys, rev}
{state, states, coherent}
{qubit, qubits, gate}
{time, decoherence, evolution}
{photon, photons, single}
{information, entropy, channel}
{state, states, entangled}
{level, atom, field}
{operator, operators, space}
{cos, sin, state}
{alice, bob, state}

Conversion of entanglement between continuous variable and qubit systems

Xiao-yu Chen, Liang-neng Wu, Li-zhen Jiang, Ya-zhuo Li

abstract: We investigate how entanglement can be transferred between continuous variable and qubit systems. We find that a two-mode squeezed vacuum state and a continuous variable Werner state can be converted to the product states of infinitive number of two-qubit states while keeping the entanglement. The reverse process is also possible.

oai_identifier:
oai:arXiv.org:quant-ph/0610258
categories:
quant-ph
comments:
5 pages
arxiv_id:
quant-ph/0610258
journal_ref:
International Journal of Quantum Information,Vol. 6, No. 5 (2008) 1011-1019
created:
2006-10-30

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