Effect of Crystal-Field Anisotropy on Irreversible Phenomena in Spin-Glasses

Y. Yeshurun; I. Felner; B. Wanklyn

doi:10.1103/PhysRevLett.53.620

Effect of Crystal-Field Anisotropy on Irreversible Phenomena in Spin-Glasses

Y. Yeshurun^*
, I. Felner
, B. Wanklyn

^*Corresponding author for this work

Racah Institute of Physics

Research output: Contribution to journal › Article › peer-review

22 Scopus citations

Abstract

We study the angular dependence of the field-cooled susceptibility χeq of Fe2TiO5, a spin-glass with a strong uniaxial anisotropy, by rotating the measuring field H→ with respect to the cooling field H→c. Unlike the behavior found in classical spin-glasses (i) the anisotropy in χeq depends on the direction of H→c and (ii) the irreversible magnetization does not rotate with H→. The de Almeida-Thouless line is identified via the field and temperature dependence of the anisotropy in χeq.

Original language	English
Pages (from-to)	620-623
Number of pages	4
Journal	Physical Review Letters
Volume	53
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevLett.53.620
State	Published - 1984

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10.1103/PhysRevLett.53.620

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abstract = "We study the angular dependence of the field-cooled susceptibility χeq of Fe2TiO5, a spin-glass with a strong uniaxial anisotropy, by rotating the measuring field H→ with respect to the cooling field H→c. Unlike the behavior found in classical spin-glasses (i) the anisotropy in χeq depends on the direction of H→c and (ii) the irreversible magnetization does not rotate with H→. The de Almeida-Thouless line is identified via the field and temperature dependence of the anisotropy in χeq.",

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N2 - We study the angular dependence of the field-cooled susceptibility χeq of Fe2TiO5, a spin-glass with a strong uniaxial anisotropy, by rotating the measuring field H→ with respect to the cooling field H→c. Unlike the behavior found in classical spin-glasses (i) the anisotropy in χeq depends on the direction of H→c and (ii) the irreversible magnetization does not rotate with H→. The de Almeida-Thouless line is identified via the field and temperature dependence of the anisotropy in χeq.

AB - We study the angular dependence of the field-cooled susceptibility χeq of Fe2TiO5, a spin-glass with a strong uniaxial anisotropy, by rotating the measuring field H→ with respect to the cooling field H→c. Unlike the behavior found in classical spin-glasses (i) the anisotropy in χeq depends on the direction of H→c and (ii) the irreversible magnetization does not rotate with H→. The de Almeida-Thouless line is identified via the field and temperature dependence of the anisotropy in χeq.

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Effect of Crystal-Field Anisotropy on Irreversible Phenomena in Spin-Glasses

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