Numerical study of the random transverse-field Ising spin chain.

@article{Young1996NumericalSO,
  title={Numerical study of the random transverse-field Ising spin chain.},
  author={Usa Young and B Rieger},
  journal={Physical review. B, Condensed matter},
  year={1996},
  volume={53 13},
  pages={8486-8498}
}
We study numerically the critical region and the disordered phase of the random transverse-field Ising chain. By using a mapping of Lieb, Schultz, and Mattis to noninteracting fermions, we can obtain a numerically exact solution for rather large system sizes, L<128. Our results confirm the striking predictions of earlier analytical work and, in addition, give results for some probability distributions and scaling functions. 

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induced by varying some parameter other than the temperature For the model in Eq. ͑1͒, this parameter will be the average value of the transverse field divided by the average interaction

  • Eq. ͑2͒. Alternatively, we can parametrize the…
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