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Quantum behaviour of a flux qubit coupled to a resonator | | A.N. Omelyanchouk
; S.N. Shevchenko
; Ya.S. Greenberg
; O. Astafiev
; E. Ilichev
; | | Date: |
27 Dec 2010 | | Abstract: | We present a detailed theoretical analysis for a system of a superconducting
flux qubit coupled to a transmission line resonator. The master equation,
accounting incoherent processes for a weakly populated resonator, is
analytically solved. An electromagnetic wave transmission coefficient through
the system, which provides a tool for probing dressed states of the qubit, is
derived. We also consider a general case for the resonator with more than one
photon population and compare the results with an experiment on the
qubit-resonator system in the intermediate coupling regime, when the coupling
energy is comparable with the qubit relaxation rate. | | Source: | arXiv, 1012.5599 | | Services: | Forum | Review | PDF | Favorites | |
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