Magnetic relaxation in a classical spin chain

  title={Magnetic relaxation in a classical spin chain},
  author={Denise Hinzke and Ulrich Nowak},
With decreasing particle size, different mechanisms dominate the thermally activated magnetization reversal in ferromagnetic particles. We investigate some of these mechanisms for the case of a classical Heisenberg spin chain driven by an external magnetic field. For sufficiently small system size the magnetic moments rotate coherently. With increasing size a crossover to a reversal due to soliton-antisoliton nucleation sets in. For even larger systems many of these soliton-antisoliton pairs… CONTINUE READING


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  • Philos . Trans . R . Soc . Londo Ser . A

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