Wave packet dynamics in the spin torque transfer

Mitsuhiro Arikawa, Yasuhiro Hatsugai, Tetsuo Endoh, Kenji Shiraishi

Research output: Contribution to journalArticlepeer-review


We investigate the time evolution simulation of the spin torque transfer based on the spin polarized electron wave packet in the impurity Anderson model. The time dependence of the spin expectation value of the local spin site can be interpreted in terms of two site electron problem. The high energy contribution such as charge fluctuation appears in the dynamics of the spin torque transfer.

Original languageEnglish
Article number044706
Journaljournal of the physical society of japan
Issue number4
Publication statusPublished - 2012 Apr


  • Anderson model
  • Dynamics
  • S-d model
  • Spin torque transfer
  • Wave packet

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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