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Thermodynamics of the two-dimensional Heisenberg ferromagnet in the framework of the renormalization-group approach

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Abstract

A method of describing the thermodynamic functions of two-dimensional isotropic Heisenberg ferromagnets based on a generalization of the 2 +ε expansion is proposed. Interpolation formulas constructed in the framework of this approach make possible a smooth passage to the results obtained by the methods of high-temperature expansions.

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Translated from Teoreticheskaya i Matematicheskaya Fizika, Vol. 104, No. 3, pp. 530–537, September, 1995.

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Antsygina, T.N., Slyusarev, V.A. Thermodynamics of the two-dimensional Heisenberg ferromagnet in the framework of the renormalization-group approach. Theor Math Phys 104, 1178–1183 (1995). https://doi.org/10.1007/BF02068749

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  • DOI: https://doi.org/10.1007/BF02068749

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