On the relaxation dynamics of diluted antiferromagnets

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Staats_1998_RelaxationDynamics.pdf
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1998
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Staats, Michael
Usadel, Klaus-Dieter
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Zusammenfassung

The phase diagram of a diluted Ising antiferromagnet in an external magnetic field has a disordered phase for sufficiently large values of this field and for low temperatures, in which the system's equilibrium state is a domain state. We study the relaxation dynamics out of this state after switching off the magnetic field, for two- and three-dimensional diluted antiferromagnets using Monte Carlo Simulation techniques. We measure the decay of the initial magnetization carried by the domain state. The data can be described by a unique law for a wide range of temperatures, magnetic fields and dilutions in two and three dimensions.

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530 Physik
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dilute antiferromagnet, random fields, disordered systems, magnetization - decay, relaxation - magnetic
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ISO 690STAATS, Michael, Ulrich NOWAK, Klaus-Dieter USADEL, 1998. On the relaxation dynamics of diluted antiferromagnets. In: Journal of Magnetism and Magnetic Materials. 1998, 177-181(Part 1), pp. 85-86. Available under: doi: 10.1016/S0304-8853(97)00660-4
BibTex
@article{Staats1998relax-4881,
  year={1998},
  doi={10.1016/S0304-8853(97)00660-4},
  title={On the relaxation dynamics of diluted antiferromagnets},
  number={Part 1},
  volume={177-181},
  journal={Journal of Magnetism and Magnetic Materials},
  pages={85--86},
  author={Staats, Michael and Nowak, Ulrich and Usadel, Klaus-Dieter}
}
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