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Quantum-classical crossover of a field mode

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journal contribution
posted on 30.03.2009 by Mark Everitt, W.J. Munro, T.P. Spiller
We explore the quantum-classical crossover in the behaviour of a quantum field mode. The quantum behaviour of a two-state system—a qubit—coupled to the field is used as a probe. Collapse and revival of the qubit inversion form the signature for quantum behaviour of the field and continuous Rabi oscillations form the signature for classical behaviour of the field. We demonstrate both limits in a single model for the full coupled system, for field states with the same average field strength, and so for qubits with the same Rabi frequency.

History

School

  • Science

Department

  • Physics

Citation

EVERITT, M.J., MUNRO, W.J. and SPILLER, T.P., 2009. Quantum-classical crossover of a field mode. Physical Review A, 79 (3), [6 pages]

Publisher

© American Physical Society

Version

AM (Accepted Manuscript)

Publication date

2009

Notes

This is an article that was published in the journal, Physical Review A [© American Physical Society]. It is also available at: http://link.aps.org/doi/10.1103/PhysRevA.79.032328

ISSN

1050-2947

Language

en

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