Uniform susceptibility of classical antiferromagnets in one and two dimensions in a magnetic field

Hinzke, Denise; Nowak, Ulrich; Garanin, D.

Uniform susceptibility of classical antiferromagnets in one and two dimensions in a magnetic field

Files

Hinzke_2000_UniformSusceptibility.pdf(341.35 KB)

Date

2000

Authors

Hinzke, Denise

Nowak, Ulrich

Garanin, D.

Publication type

Journal article

Published in

European Physical Journal / B ; 16 (2000), 3. - pp. 435-438

Abstract

We simulated the field-dependent magnetization m(H,T) and the uniform susceptibility x(H,T) of classical Heisenberg antiferromagnets in the chain and square-lattice geometry using Monte Carlo methods. The results confirm the singular behavior of x(H,T) at small T,H: limT -> 0 limH->0 x(H,T) = 1/(2J0)(1-1/D) and limH ->0 lim T->0 x(H,T) = 1/(2J0), where D = 3 is the number of spin components, J0 = zJ, and z is the number of nearest neighbors. A good agreement is achieved in a wide range of temperatures T and magnetic fields H with the first-order 1/D expansion results (D.A. Garanin, J. Stat. Phys. 83, 907 (1996)).

Subject (DDC)

530 Physics

Cite This

ISO 690

HINZKE, Denise, Ulrich NOWAK, D. GARANIN, 2000. Uniform susceptibility of classical antiferromagnets in one and two dimensions in a magnetic field. In: European Physical Journal / B. 16(3), pp. 435-438. Available under: doi: 10.1007/PL00011080

BibTex

@article{Hinzke2000Unifo-4738,
  year={2000},
  doi={10.1007/PL00011080},
  title={Uniform susceptibility of classical antiferromagnets in one and two dimensions in a magnetic field},
  number={3},
  volume={16},
  journal={European Physical Journal / B},
  pages={435--438},
  author={Hinzke, Denise and Nowak, Ulrich and Garanin, D.}
}

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