2 papers
cond-mat.stat-mech2026
Fermion sign problem and the structure of Lee-Yang zeros. II. Finite temperature results for a model system without interactions
Ran-Chen He, Jia-Xi Zeng, Shu Yang +3
Beyond the analysis of the Lee-Yang (LY) zero of at K presented by our previous work [He et. al. Phys. Rev. E 113, 24115 (2026)], it is important but intricate to understa…
cond-mat.stat-mech2025
Revisiting the Fermion Sign Problem from the Structure of Lee-Yang Zeros. I. The Form of Partition Function for Indistinguishable Particles and Its Zeros at 0~K
Ran-Chen He, Jia-Xi Zeng, Shu Yang +3
To simulate indistinguishable particles, recent studies of path-integral molecular dynamics formulated their partition function as a recurrence relation involving a variable $Î…