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This paper 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 antisymmetric free fermion propagator can… Click to show full abstract
This paper 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 antisymmetric free fermion propagator can be of either sign.
Keywords:
problem one;
sign problem;
path integral;
dimensional path;
integral monte;
one dimensional
Journal Title: Physical review. E
Year Published: 2023
Link to full text (if available)
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Journal Title: Physical review. E
Year Published: 2023
Link to full text (if available)
Share on Social Media: Sign Up to like & get
recommendations!