Finite-size scaling of eigenstate thermalization.

@article{Beugeling2014FinitesizeSO,
  title={Finite-size scaling of eigenstate thermalization.},
  author={Wouter Beugeling and Roderich Moessner and Masudul Haque},
  journal={Physical review. E, Statistical, nonlinear, and soft matter physics},
  year={2014},
  volume={89 4},
  pages={042112}
}
According to the eigenstate thermalization hypothesis (ETH), even isolated quantum systems can thermalize because the eigenstate-to-eigenstate fluctuations of typical observables vanish in the limit of large systems. Of course, isolated systems are by nature finite and the main way of computing such quantities is through numerical evaluation for finite-size systems. Therefore, the finite-size scaling of the fluctuations of eigenstate expectation values is a central aspect of the ETH. In this… CONTINUE READING

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