Universality in one-dimensional fermions at finite temperature: Density, pressure, compressibility, and contact

@article{Hoffman2015UniversalityIO,
  title={Universality in one-dimensional fermions at finite temperature: Density, pressure, compressibility, and contact},
  author={M. Hoffman and P. Javernick and A. Loheac and W. J. Porter and E. R. Anderson and J. Drut},
  journal={Physical Review A},
  year={2015},
  volume={91},
  pages={033618}
}
  • M. Hoffman, P. Javernick, +3 authors J. Drut
  • Published 2015
  • Physics
  • Physical Review A
  • We present finite-temperature, lattice Monte Carlo calculations of the particle number density, compressibility, pressure, and Tan's contact of an unpolarized system of short-range, attractively interacting spin-1/2 fermions in one spatial dimension, i.e., the Gaudin-Yang model. In addition, we compute the second-order virial coefficients for the pressure and the contact, both of which are in excellent agreement with the lattice results in the low-fugacity regime. Our calculations yield… CONTINUE READING
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