Department of Physics Papers

Document Type

Journal Article

Date of this Version

4-15-1991

Publication Source

Journal of Applied Physics

Volume

69

Issue

8

Start Page

5191

Last Page

5193

DOI

10.1063/1.348123

Abstract

Series expansions are used to treat the randomly diluted spin‐1/2 Heisenberg antiferromagnet at zero temperature. A series is obtained at zero temperature in powers of the concentration for many correlation functions and for the correlation length from which static, dynamic, and crossover exponents are estimated. The correlation length exponent is found to be 0.77±0.10 in two dimensions. The critical concentration for the appearance of long‐range order is indistinguishable from the percolation threshold.

Copyright/Permission Statement

Reprinted with permission from the Journal of Applied Physics. Copyright 1991, American Institute of Physics.

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Date Posted: 12 August 2015

This document has been peer reviewed.