期刊
PHYSICAL REVIEW LETTERS
卷 107, 期 20, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.107.201601
关键词
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资金
- U.S. DOE [DE-FG02-00ER41132]
- RIKEN
- Grants-in-Aid for Scientific Research [23740227] Funding Source: KAKEN
We show how sign problems in simulations of many-body systems can manifest themselves in the form of heavy-tailed correlator distributions, similar to what is seen in electron propagation through disordered media. We propose an alternative statistical approach for extracting ground state energies in such systems, illustrating the method with a toy model and with lattice data for unitary fermions.
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