Polynomial invariants and Bell inequalities as entanglement measure of 4-qubit states

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dc.creatorEndrejat, Jochen
dc.creatorBuettner, Helmut
dc.date2006-06-26
dc.date.accessioned2026-07-07T07:19:07Z
dc.date.available2026-07-07T07:19:07Z
dc.descriptionWe compare the polynomial invariants for four qubits introduced by Luque and Thibon, PRA {\bf 67}, 042303 (2003), with optimized Bell inequalities and a combination of two qubit concurrences. It is shown for various parameter dependent states from different SLOCC classes that it is possible to measure a genuine 4-qubit entanglement with these polynomials.
dc.description4 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/quant-ph/0606215
dc.identifierhttp://arxiv.org/abs/quant-ph/0606215
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/114547
dc.subjectQuantum Physics
dc.titlePolynomial invariants and Bell inequalities as entanglement measure of 4-qubit states
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