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|Title:||Geometric-phase backaction in a mesoscopic qubit-oscillator system|
|Source:||Vacanti, G., Fazio, R., Kim, M.S., Palma, G.M., Paternostro, M., Vedral, V. (2012-02-29). Geometric-phase backaction in a mesoscopic qubit-oscillator system. Physical Review A - Atomic, Molecular, and Optical Physics 85 (2) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevA.85.022129|
|Abstract:||We illustrate a reverse Von Neumann measurement scheme in which a geometric phase induced on a quantum harmonic oscillator is measured using a microscopic qubit as a probe. We show how such a phase, generated by a cyclic evolution in the phase space of the harmonic oscillator, can be kicked back on the qubit, which plays the role of a quantum interferometer. We also extend our study to finite-temperature dissipative Markovian dynamics and discuss potential implementations in micro- and nanomechanical devices coupled to an effective two-level system. © 2012 American Physical Society.|
|Source Title:||Physical Review A - Atomic, Molecular, and Optical Physics|
|Appears in Collections:||Staff Publications|
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