Two-dimensional Ising-like systems: Corrections to scaling in the Klauder and double-Gaussian models

Barma, Mustansir; Fisher, Michael E.

doi:10.1103/PhysRevB.31.5954

Two-dimensional Ising-like systems: Corrections to scaling in the Klauder and double-Gaussian models

Mustansir Barma
(
- Cornell U., LNS
)
,
Michael E. Fisher
(
- Cornell U., LNS
)

May 1, 1985

21 pages

Published in:

Phys.Rev.B 31 (1985) 5954-5975

DOI:

10.1103/PhysRevB.31.5954

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Abstract: (APS)

Partial-differential approximants are used to study the critical behavior of the susceptibility, χ(x,y), of the Klauder and double-Gaussian scalar spin, or O(1) models on a square lattice using two-variable series to order x21 where x∝J/kBT while y serves to interpolate analytically from the Gaussian or free-field model at y=0 to the standard spin-(1/2) Ising model at y=1. The pure Ising critical point at y=1 appears to be the only non-Gaussian multisingularity in the range 0

64.60.Cn

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Figures(0)

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