Reexamination of scaling in the five-dimensional Ising model

Details Reexamination of scaling in the five-dimensional Ising model Reexamination of scaling in the five-dimensional Ising model

2006-03-03

arxiv.org/abs/cond-mat/0603087v1

Physics

Condensed Matter

Statistical Mechanics

8 pages including 5 figures

Scientific paper

In three dimensions, or more generally, below the upper critical dimension, scaling laws for critical phenomena seem well understood, for both infinite and for finite systems. Above the upper critical dimension of four, finite-size scaling is more difficult. Chen and Dohm predicted deviation in the universality of the Binder cumulants for three dimensions and more for the Ising model. This deviation occurs if the critical point T = Tc is approached along lines of constant A = L*L*(T-Tc)/Tc, then different exponents a function of system size L are found depending on whether this constant A is taken as positive, zero, or negative. This effect was confirmed by Monte Carlo simulations with Glauber and Creutz kinetics. Because of the importance of this effect and the unclear situation in the analogous percolation problem, we here reexamine the five-dimensional Glauber kinetics.

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