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Random field effects in classical and quantum critical phenomena

Author

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  • Uzunov, D.I.
  • Korutcheva, E.R.
  • Millev, Y.T.

Abstract

The effect of quenched random fields on classical and quantum critical behaviour is studied by means of the ϵ-analysis for a number of systems. The investigation is performed in terms of a generalized random-field correlation function. The interplay of short-range correlations as well as of a parameter-dependent variety of long-range correlations with thermal and quantum fluctuations is revealed.

Suggested Citation

  • Uzunov, D.I. & Korutcheva, E.R. & Millev, Y.T., 1985. "Random field effects in classical and quantum critical phenomena," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 129(3), pages 535-549.
    • Handle: RePEc:eee:phsmap:v:129:y:1985:i:3:p:535-549
    DOI: 10.1016/0378-4371(85)90184-0
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    References listed on IDEAS

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    1. Allaire, Yvan & Toulouse, Jean-Marie, 1974. "Différences entre la situation socio-économique des clients des caisses populaires et celle des clients des autres institutions : une étude auprès des chefs de ménage franco-ontariens," L'Actualité Economique, Société Canadienne de Science Economique, vol. 50(3), pages 450-459, juillet.
    2. Busiello, G. & De Cesare, L. & Rabuffo, I., 1983. "Renormalization group and quantum critical phenomena in the large-n limit," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 117(2), pages 445-481.
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    Cited by:

    1. Busiello, G. & De Cesare, L. & Rabuffo, I., 1987. "Destruction of long-range order in quantum ferroelectrics via random field fluctuations," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 144(1), pages 192-200.
    2. Al Mukadam, Hasan M. & Uzunov, Dimo I., 1996. "Phase transitions in two sublattice Ising systems," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 232(1), pages 326-348.

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