Random field effects in classical and quantum critical phenomena |
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| Authors: | D.I. Uzunov E.R. Korutcheva Y.T. Millev |
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| Affiliation: | G. Nadjakov Institute of Solid State Physics, Bulgarian Academy of Sciences, 1184 Sofia, Bulgaria |
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| Abstract: | The effect of quenched random fields on classical and quantum critical behaviour is studied by means of the ?-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. |
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