Critical exponents of magnets with lengthy defects |
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Authors: | SN Dorogovtsev |
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Institution: | The Academy of Sciences of the USSR, A.F. Ioffe Physico-Technical Institute, Leningrad, 194021, USSR |
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Abstract: | The critical behaviour of magnets with non-zero-dimensional defects is investigated by the renormalization group method. Expansions of the critical exponents in the small parameters ? and ?d are obtained, where ?d is the defect dimensionality. The corresponding renormalization group equations are shown to possess a focus-type fixed point. |
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