Department of Physics Papers

Document Type

Journal Article

Date of this Version

5-1-1990

Publication Source

Journal of Applied Physics

Volume

67

Issue

9

Start Page

5445

Last Page

5447

DOI

10.1063/1.345838

Abstract

We consider a Heisenberg model with ferromagnetic nearest‐neighbor and competing further‐neighbor exchange interactions in a small applied magnetic field at low temperature T. As a function of the exchange constants, the modulation vector is shown to have devil’s staircase behavior. We consider the effects of nonzero temperature and quantum effects. We find a special modulation wave vector at which the incommensurability energy vanishes for the classical system at T=0.

Copyright/Permission Statement

Reprinted with permission from Journal of Applied Physics. Copyright 1990, American Institute of Physics.

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Date Posted: 12 August 2015

This document has been peer reviewed.