Anomalous spin-flip lifetime near the Heisenberg- ferromagnet critical point

Ora Entin-Wohlman*, Guy Deutscher, Raymond Orbach

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

18 Scopus citations


The inverse lifetime, 1τs, of spin-flip processes for the conduction electrons in a Heisenberg ferromagnet is calculated in the first Born approximation. It is found that the temperature derivative of 1τs varies as |T-Tc|2ν-γ-1 and is negative above Tc and positive below Tc. Comparison is made with the behavior of the electrical resistivity near Tc. The impact upon the superconducting transition temperature is examined.

Original languageEnglish
Pages (from-to)219-223
Number of pages5
JournalPhysical Review B-Condensed Matter
Issue number1
StatePublished - 1975


FundersFunder number
John Simon Guggenheim Memorial Foundation


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