Spinmotive forces and torque transfer in spin valves

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

That the magnetization of the free layer of a spin valve is being "measured" is reflected in the angular dependence of the torque transfer term, which then differs from that given by Sloncewski. The usual form of the Gilbert relaxation term is not consistent with the second law of thermodynamics. When the usual derivative is replaced by a "particle derivative", relaxation is consistent with this law. It is implied that static solutions in which relaxation balances the torque transfer term are possible. Discussed is the concept of a spin-motive-force arising from the non-conservative part of the Stern-Gerlach force. This gives a real meaning to the term "spin-battery" and a spin inductance.

Original languageEnglish (US)
Title of host publicationLOW TEMPERATURE PHYSICS
Subtitle of host publication24th International Conference on Low Temperature Physics - LT24
Pages1504-1505
Number of pages2
DOIs
StatePublished - Dec 1 2006
EventLOW TEMPERATURE PHYSICS: 24th International Conference on Low Temperature Physics - LT24 - Orlando, FL, United States
Duration: Aug 10 2006Oct 17 2006

Publication series

NameAIP Conference Proceedings
Volume850
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Other

OtherLOW TEMPERATURE PHYSICS: 24th International Conference on Low Temperature Physics - LT24
CountryUnited States
CityOrlando, FL
Period8/10/0610/17/06

Keywords

  • Measurements
  • Spin valve
  • Spin-battery
  • Spin-motive-force
  • Spintronics

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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  • Cite this

    Barnes, S. E. (2006). Spinmotive forces and torque transfer in spin valves. In LOW TEMPERATURE PHYSICS: 24th International Conference on Low Temperature Physics - LT24 (pp. 1504-1505). (AIP Conference Proceedings; Vol. 850). https://doi.org/10.1063/1.2355274