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The multiquantum intensity-dependent Jaynes–Cummings model with the counterrotating terms

Author

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  • Lo, C.F
  • Liu, K.L
  • Ng, K.M

Abstract

In this paper we have investigated the eigen energy spectrum of the k-photon intensity-dependent Jaynes–Cummings (JC) model without the rotating-wave approximation (RWA). Our analysis shows that for k⩾2 the k-photon intensity-dependent JC model without the RWA does not have eigenstates in the Hilbert space spanned by the photon number states, i.e. the model becomes ill-defined. Hence, the k-photon intensity-dependent JC model without the RWA is qualitatively different from the RWA counterpart which is valid for all values of k and the coupling parameter. As a consequence, previous studies of the effects of the counterrotating terms in the k-photon intensity-dependent JC model for k⩾2 are all invalid.

Suggested Citation

  • Lo, C.F & Liu, K.L & Ng, K.M, 1999. "The multiquantum intensity-dependent Jaynes–Cummings model with the counterrotating terms," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 265(3), pages 557-564.
    • Handle: RePEc:eee:phsmap:v:265:y:1999:i:3:p:557-564
    DOI: 10.1016/S0378-4371(98)00649-9
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