Quench dynamics of the Ising field theory in a magnetic field

@article{Hodsagi2018QuenchDO,
  title={Quench dynamics of the Ising field theory in a magnetic field},
  author={K. H'ods'agi and M. Kormos and G. Tak{\'a}cs},
  journal={arXiv: Statistical Mechanics},
  year={2018},
  volume={5},
  pages={027}
}
  • K. H'ods'agi, M. Kormos, G. Takács
  • Published 2018
  • Physics, Mathematics
  • arXiv: Statistical Mechanics
  • We numerically simulate the time evolution of the Ising field theory after quenches starting from the $E_8$ integrable model using the Truncated Conformal Space Approach. The results are compared with two different analytic predictions based on form factor expansions in the pre-quench and post-quench basis, respectively. Our results clarify the domain of validity of these expansions and suggest directions for further improvement. We show for quenches in the $E_8$ model that the initial state is… CONTINUE READING
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