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Detecting ground-state qubit self-excitations: a slow quantum anti-Zeno effect

AuthorsSabín, Carlos ; León, Juan ; García-Ripoll, Juan José
Issue Date2011
PublisherAmerican Institute of Physics
CitationPhysical Review B - Condensed Matter and Materials Physics 84: 024516 (2011)
AbstractIn this paper, we study an ultrastrong coupled qubit-cavity system subjected to slow repeated measurements. We demonstrate that, even under a few imperfect measurements, it is possible to detect transitions of the qubit from its free ground state to the excited state. The excitation probability grows exponentially fast in analogy with the quantum anti-Zeno effect. The dynamics and physics described in this paper are accessible to current superconducting circuit technology.
DOIhttp://dx.doi.org/DOI: 10.1103/PhysRevB.84.024516
Identifiersdoi: DOI: 10.1103/PhysRevB.84.024516
issn: 1098-0121
Appears in Collections:(CFMAC-IFF) Artículos
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