False qubits II. Entanglement of Josephson junctions

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dc.creatorAlicki, Robert
dc.date2006-09-16
dc.date.accessioned2026-07-07T07:26:38Z
dc.date.available2026-07-07T07:26:38Z
dc.descriptionThe recent experimental evidence for entangled states of two Josephson junction qubits is briefly discussed. It is argued that the interpretation of the experimental data strongly depends on the assumed theoretical model. Namely, the qubit states are supposed to be the lowest lying eigenstates of a certain effective Hamiltonian and hence automatically orthogonal, while the simple analysis within a more fundamental many-particle model shows that those states should strongly overlap. This makes the standard interpretation of the measurement procedure questionable.
dc.description2 pages
dc.identifierhttps://arxiv.org/abs/quant-ph/0609122
dc.identifierhttp://arxiv.org/abs/quant-ph/0609122
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/117152
dc.subjectQuantum Physics
dc.titleFalse qubits II. Entanglement of Josephson junctions
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