English

Multi-flavor massless QED$_2$ at finite densities via Lefschetz thimbles

High Energy Physics - Theory 2017-06-27 v3 High Energy Physics - Lattice

Abstract

We consider multi-flavor massless (1+1)(1+1)-dimensional QED with chemical potentials at finite spatial length and the zero-temperature limit. Its sign problem is solved using the mean-field calculation with complex saddle points.

Keywords

Cite

@article{arxiv.1612.06529,
  title  = {Multi-flavor massless QED$_2$ at finite densities via Lefschetz thimbles},
  author = {Yuya Tanizaki and Motoi Tachibana},
  journal= {arXiv preprint arXiv:1612.06529},
  year   = {2017}
}

Comments

25 pages, 4 figures; (v2) reference updated; (v3) minor changes