Journal
PHYSICAL REVIEW LETTERS
Volume 107, Issue 20, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.107.201601
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Funding
- U.S. DOE [DE-FG02-00ER41132]
- RIKEN
- Grants-in-Aid for Scientific Research [23740227] Funding Source: KAKEN
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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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