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Title

Detecting ground-state qubit self-excitations in circuit QED: A slow quantum anti-Zeno effect

AuthorsSabín, Carlos ; León, Juan ; García-Ripoll, Juan José
Issue DateJul-2011
PublisherAmerican Physical Society
CitationPhysical Review B 84(2): 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.
Description6 páginas, 6 figuras.-- PACS number(s): 03.65.Ta, 03.67.Lx, 85.25.−j
Publisher version (URL)http://dx.doi.org/10.1103/PhysRevB.84.024516
URIhttp://hdl.handle.net/10261/41315
DOI10.1103/PhysRevB.84.024516
ISSN1098-0121
E-ISSN1550-235X
Appears in Collections:(CFMAC-IFF) Artículos
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