Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevA.85.022129
Title: Geometric-phase backaction in a mesoscopic qubit-oscillator system
Authors: Vacanti, G.
Fazio, R.
Kim, M.S.
Palma, G.M.
Paternostro, M.
Vedral, V. 
Issue Date: 29-Feb-2012
Citation: 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
URI: http://scholarbank.nus.edu.sg/handle/10635/96723
ISSN: 10502947
DOI: 10.1103/PhysRevA.85.022129
Appears in Collections:Staff Publications

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