Long-Time Spin Relaxation in Zero-Field

Ryogo Kubo; Takahiko Endo; Shiro Kamohara; Mitsuaki Shimizu; Masataka Fujii; Hiroshi Takano

doi:10.1143/JPSJ.56.1172

Long-Time Spin Relaxation in Zero-Field

Ryogo Kubo, Takahiko Endo, Shiro Kamohara, Mitsuaki Shimizu, Masataka Fujii, Hiroshi Takano

Department of Physics

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

6 Citations (Scopus)

Abstract

The long-time tail of the Kubo-Toyabe relaxation function of spin polarization in zero-field is examined by a variational method and a numerical simulation. The asymptotic exponential decay was found to be of the form, 0.2362 exp (- 1.562vt), where v is the decay constant of the perturbing Gaussian random field. This decay constant is shown to be determined by the lowest eigenvalue of a confluent hypergeometric differential equation.

Original language	English
Pages (from-to)	1172-1177
Number of pages	6
Journal	Journal of the Physical Society of Japan
Volume	56
Issue number	3
DOIs	https://doi.org/10.1143/JPSJ.56.1172
Publication status	Published - 1987

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1143/JPSJ.56.1172

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author = "Ryogo Kubo and Takahiko Endo and Shiro Kamohara and Mitsuaki Shimizu and Masataka Fujii and Hiroshi Takano",

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AU - Kubo, Ryogo

AU - Endo, Takahiko

AU - Kamohara, Shiro

AU - Shimizu, Mitsuaki

AU - Fujii, Masataka

AU - Takano, Hiroshi

PY - 1987

Y1 - 1987

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AB - The long-time tail of the Kubo-Toyabe relaxation function of spin polarization in zero-field is examined by a variational method and a numerical simulation. The asymptotic exponential decay was found to be of the form, 0.2362 exp (- 1.562vt), where v is the decay constant of the perturbing Gaussian random field. This decay constant is shown to be determined by the lowest eigenvalue of a confluent hypergeometric differential equation.

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ER -

Long-Time Spin Relaxation in Zero-Field

Abstract

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