Multi-flavor massless QED$_2$ at finite densities via Lefschetz thimbles
published by Yuya Tanizaki
in 2016
and research's language is
English
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Abstract in English
We consider multi-flavor massless $(1+1)$-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.