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Calculation of critical exponents by self-similar factor approximants

  • Statistical and Nonlinear Physics
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The European Physical Journal B Aims and scope Submit manuscript

Abstract.

The method of self-similar factor approximants is applied to calculating the critical exponents of the O(N)-symmetric ϕ4 theory and of the Ising glass. It is demonstrated that this method, being much simpler than other known techniques of series summation in calculating the critical exponents, at the same time, yields the results that are in very good agreement with those of other rather complicated numerical methods. The principal advantage of the method of self-similar factor approximants is the combination of its extraordinary simplicity and high accuracy.

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Correspondence to V. I. Yukalov.

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Yukalov, V., Yukalova, E. Calculation of critical exponents by self-similar factor approximants. Eur. Phys. J. B 55, 93–99 (2007). https://doi.org/10.1140/epjb/e2007-00044-4

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  • DOI: https://doi.org/10.1140/epjb/e2007-00044-4

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