Journal article
Geometric phase kickback in a mesoscopic qubit-oscillator system
- 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 nano-mechanical devices coupled to an effective two-level system.
- Publication status:
- Published
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- Publisher copy:
- 10.1103/PhysRevA.85.022129
Authors
- Journal:
- Phys. Rev. A More from this journal
- Volume:
- 85
- Issue:
- 2
- Pages:
- 022129
- Publication date:
- 2011-08-02
- DOI:
- EISSN:
-
1094-1622
- ISSN:
-
1050-2947
- Keywords:
- Pubs id:
-
pubs:308746
- UUID:
-
uuid:f426f383-0b60-4266-9b64-d84e3b4ec1d9
- Local pid:
-
pubs:308746
- Source identifiers:
-
308746
- Deposit date:
-
2012-12-19
- ARK identifier:
Terms of use
- Copyright date:
- 2011
- Notes:
- RevTeX4, 4 pages, 2 figures
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