A Monte Carlo algorithm is introduced to evaluate the Lehmann representation of the finite-temperature single-particle Green's function in the Lieb-Liniger model.
Caux, Correlation functions of integrable models: A description of the ABACUS algorithm, Journal of Math- ematical Physics 50, 095214 (2009)
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Finite temperature single-particle Green's function in the Lieb-Liniger model
A Monte Carlo algorithm is introduced to evaluate the Lehmann representation of the finite-temperature single-particle Green's function in the Lieb-Liniger model.