论文标题
拓扑证明,在一维路径积分蒙特卡洛模拟费米子中没有符号问题
A topological proof that there is no sign problem in one dimensional Path Integral Monte Carlo simulation of fermions
论文作者
论文摘要
这项工作表明,在一个维度上,由于其拓扑结构,短期传播器的闭环产品始终是积极的,尽管事实上每个抗对称的自由费米昂传播剂都可以具有任何一个符号。
This work shows that, in one dimension, due to its topology, a closed-loop product of short-time propagators is always positive, despite the fact that each anti-symmetric free fermion propagator can be of either sign.