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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Editor: Henry van Driel
  • Vol. 27, Iss. 6 — Jun. 1, 2010
  • pp: A164–A169

Collapse and revival of “Schrödinger cat” states

C. E. A. Jarvis, D. A. Rodrigues, B. L. Györffy, T. P. Spiller, A. J. Short, and J. F. Annett  »View Author Affiliations

JOSA B, Vol. 27, Issue 6, pp. A164-A169 (2010)

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We study the dynamics of the Jaynes–Cummings model for two two-level systems (or qubits) interacting with a quantized single mode electromagnetic cavity (or quantum bus), extending this to the macroscopic case of an array of N q qubits. For an initial cavity coherent state | α and the qubit system in a specified “basin of attraction” in its Hilbert space, we demonstrate the oscillation of a superposition of two macroscopic quantum states between the qubit system and the field mode. From the perspective of either the qubit or the field system, there is collapse and revival of a “Schrödinger cat” state.

© 2010 Optical Society of America

OCIS Codes
(020.0020) Atomic and molecular physics : Atomic and molecular physics
(020.5580) Atomic and molecular physics : Quantum electrodynamics
(270.0270) Quantum optics : Quantum optics
(270.5580) Quantum optics : Quantum electrodynamics

ToC Category:
Cavity Quantum Electrodynamics

Original Manuscript: October 20, 2009
Revised Manuscript: March 5, 2010
Manuscript Accepted: March 25, 2010
Published: May 13, 2010

C. E. A. Jarvis, D. A. Rodrigues, B. L. Györffy, T. P. Spiller, A. J. Short, and J. F. Annett, "Collapse and revival of “Schrödinger cat” states," J. Opt. Soc. Am. B 27, A164-A169 (2010)

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