Microscopic theory of ultrafast spin linear reversal.

  • G. P. Zhang
  • Published 2011 in
    Journal of physics. Condensed matter : an…


A recent experiment (Vahaplar et al 2009 Phys. Rev. Lett. 103 117201) showed that a single femtosecond laser can reverse the spin direction without spin precession, or spin linear reversal (SLR), but its microscopic theory has been missing. Here we show that SLR does not occur naturally. Two generic spin models, the Heisenberg and Hubbard models, are… (More)
DOI: 10.1088/0953-8984/23/20/206005


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