Eur. Phys. J. B 1, 107-110 (1998)
https://doi.org/10.1007/s100510050158

Dynamics of antiferromagnetic Ising model with fixed magnetization

¹ Institute for Theoretical Physics, Cologne University, 50923 Köln, Germany
² Physics Department, Surendranath College, 24/2, M. G. Road, Calcutta 700009, India
³ Department of Physics, University of Calcutta, 92 A.P.C. Road, Calcutta 700009, India

Corresponding author: ^a Stauffer@thp.uni-koeln.de

Received: 18 June 1997
Revised: 28 July 1997
Accepted: 13 October 1997
Published online: 15 January 1998

Abstract

The dynamical critical exponent z of the Ising antiferromagnet under the constraint of a fixed zero magnetization is verified by Monte Carlo simulations to be compatible with that of the usual Glauber dynamics of model A, while for positive magnetization the exponent seems different. We also determine the diffusivity of the magnetization and finite size effects.