Retardation effects in the longitudinal spin relaxation in metals

W. Götze, P. Wölfle

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

The longitudinal impurity spin relaxation due to isotropic exchange coupling to the conduction electron spins is calculated as a function of impurity spin, magnetic field, and temperature. For small exchange coupling (nuclear spins) and relaxation rate saturates for low temperatures at a value proportional to the magnetic field. For large coupling constants (electron spins) the relaxation rate passes through a maximum with increasing field. The anomalous behavior is attributed to freezing out of spin flip scattering in a magnetic field at low temperatures.

Original languageEnglish
Pages (from-to)249-251
Number of pages3
JournalPhysics Letters, Section A: General, Atomic and Solid State Physics
Volume40
Issue number3
DOIs
StatePublished - 17 Jul 1972
Externally publishedYes

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