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Manifestation of Curie–Weiss law for optical phase transition

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Abstract.

Considerable slowing down is observed for both the temporal development of the coherent oscillation slightly above the threshold and the refractive index grating decay slightly below the threshold for a semilinear photorefractive oscillator with two counter-propagating pump waves. It is shown that in the vicinity of the threshold the reciprocal characteristic time is a linear function of deviation from the threshold coupling strength. This behaviour is similar to an empirical Curie–Weiss law and points to the analogy of the oscillation threshold to a second-order phase transition.

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Authors and Affiliations

  1. Laboratoire de Physique, Université de Bourgogne, BP 47870, 21078 Dijon, France, , , , , , FR

    P. Mathey & P. Jullien

  2. Institute of Physics, National Academy of Sciences, 03650 Kiev-39, Ukraine, , , , , , UA

    S.G. Odoulov & O.A. Shinkarenko

Authors
  1. P. Mathey
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  2. P. Jullien
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  3. S.G. Odoulov
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  4. O.A. Shinkarenko
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Additional information

Received: 2 April 2001 / Revised version: 23 August 2001 / Published online: 7 November 2001

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Mathey, P., Jullien, P., Odoulov, S. et al. Manifestation of Curie–Weiss law for optical phase transition. Appl Phys B 73, 711–715 (2001). https://doi.org/10.1007/s003400100728

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  • DOI: https://doi.org/10.1007/s003400100728

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