Macroscopic Quantum Criticality in a Circuit QED

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dc.creatorWang, Y. D.
dc.creatorQuan, H. T.
dc.creatorLiu, Yu-xi
dc.creatorSun, C. P.
dc.creatorNori, Franco
dc.date2006-01-04
dc.date.accessioned2026-07-07T07:00:16Z
dc.date.available2026-07-07T07:00:16Z
dc.descriptionCavity quantum electrodynamic (QED) is studied for two strongly-coupled charge qubits interacting with a single-mode quantized field, which is provided by a on-chip transmission line resonator. We analyze the dressed state structure of this superconducting circuit QED system and the selection rules of electromagnetic-induced transitions between any two of these dressed states. Its macroscopic quantum criticality, in the form of ground state level crossing, is also analyzed, resulting from competition between the Ising-type inter-qubit coupling and the controllable on-site potentials.
dc.description4 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/quant-ph/0601026
dc.identifierhttp://arxiv.org/abs/quant-ph/0601026
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/107993
dc.subjectQuantum Physics
dc.subjectSuperconductivity
dc.titleMacroscopic Quantum Criticality in a Circuit QED
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