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

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Hinzke_2000_UniformSusceptibility.pdfGröße: 341.35 KBDownloads: 202

Datum

2000

Autor:innen

Hinzke, Denise

Nowak, Ulrich

Garanin, D.

Publikationstyp

Zeitschriftenartikel

unikn.publication.listelement.citation.prefix.version.undefined

European Physical Journal / B. 2000, 16(3), pp. 435-438. Available under: doi: 10.1007/PL00011080

Zusammenfassung

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)).

Fachgebiet (DDC)

530 Physik

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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. 2000, 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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