Shifted ratio method for calculation of critical parameters from power series expansions

Francisco M. Fernández, Gustavo A. Arteca and Eduardo A. Castro

Physica A: Statistical Mechanics and its Applications, 1986, vol. 137, issue 3, 639-645

Abstract: The ratio method, often used in calculating critical parameters from Taylor expansions, is improved by adding a properly chosen shift. The resulting shifted ratio method is successfully applied to the Rayleigh-Schrödinger perturbation series for two physically interesting periodic eigenvalue equations and to the high-temperature magnetic-susceptibility series for some Ising spin-12 lattice models.

Date: 1986
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:137:y:1986:i:3:p:639-645

DOI: 10.1016/0378-4371(86)90098-1

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