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Quantum measurement of a coupled nanomechanical resonator–Cooper-pair box system
Open accessAbstract
We show two effects as a result of considering the second-order correction to the spectrum of a nanomechanical resonator electrostatically coupled to a Cooper-pair box. The spectrum of the Cooper-pair box is modified in a way which depends on the Fock state of the resonator. Similarly, the frequency of the resonator becomes dependent upon the state of the Cooper-pair box. We consider whether these frequency shifts could be utilized to prepare the nanomechanical resonator in a Fock state, to perform a quantum non-demolition measurement of the resonator Fock state, and to distinguish the phase states of the Cooper-pair box.
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Cites
Quantum Computations with Cold Trapped Ions
Cirac, J. I., & Zoller, P. (1995) · Physical Review Letters · doi:10.1103/physrevlett.74.4091 · Cited by 3,733
Coherent states via decoherence.
Zurek, W. H., Habib, S., & Paz, J. P. (1993) · Physical Review Letters · doi:10.1103/physrevlett.70.1187 · Cited by 679
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Blais, A., Huang, R.-S., Wallraff, A., Girvin, S. M., & Schoelkopf, R. J. (2004) · Physical Review A · doi:10.1103/physreva.69.062320 · Cited by 2,989
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Metadata
- Authors
- Twyeffort Irish, E. K., & Schwab, K.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 2003-10-15
- Volume
- 68
- Issue
- 15
- ISSN
- 1098-0121 (ISSN-L)
- 1550-235X
- OpenAlex
- W2166077298
- Cited by
- 196
- References
- 2
- FWCI
- 8.22
- Type
- journal article
- Language
- en
- Open access
- green
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- Twyeffort Irish, E. K., & Schwab, K. (2003). Quantum measurement of a coupled nanomechanical resonator–Cooper-pair box system. Physical Review B. https://doi.org/10.1103/physrevb.68.155311
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