Infinite susceptibility phase in random uniaxial anisotropy magnets

Ammon Aharony; E. Pytte

doi:10.1103/PhysRevLett.45.1583

Infinite susceptibility phase in random uniaxial anisotropy magnets

Ammon Aharony, E. Pytte

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Abstract

The leading terms in the magnetic equation of state are calculated for models with random fields and random uniaxial anisotropies for dimensionalities d<4. In the random anisotropy case we find a new low-temperature phase, in which the magnetization vanishes but the zero-field susceptibility is infinite, because of algebraically decaying correlations. No phase transition is found for the random field case.

Original language	English
Pages (from-to)	1583-1586
Number of pages	4
Journal	Physical Review Letters
Volume	45
Issue number	19
DOIs	https://doi.org/10.1103/PhysRevLett.45.1583
State	Published - 1 Jan 1980
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.45.1583

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title = "Infinite susceptibility phase in random uniaxial anisotropy magnets",

abstract = "The leading terms in the magnetic equation of state are calculated for models with random fields and random uniaxial anisotropies for dimensionalities d<4. In the random anisotropy case we find a new low-temperature phase, in which the magnetization vanishes but the zero-field susceptibility is infinite, because of algebraically decaying correlations. No phase transition is found for the random field case.",

author = "Ammon Aharony and E. Pytte",

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AB - The leading terms in the magnetic equation of state are calculated for models with random fields and random uniaxial anisotropies for dimensionalities d<4. In the random anisotropy case we find a new low-temperature phase, in which the magnetization vanishes but the zero-field susceptibility is infinite, because of algebraically decaying correlations. No phase transition is found for the random field case.

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Infinite susceptibility phase in random uniaxial anisotropy magnets

Abstract

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