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SUMMARY:Beyond Thimbles: Sign-Optimized Manifolds for Finite Density
DTSTART;VALUE=DATE-TIME:20180723T213000Z
DTEND;VALUE=DATE-TIME:20180723T215000Z
DTSTAMP;VALUE=DATE-TIME:20210727T122713Z
UID:indico-contribution-34923@indico.fnal.gov
DESCRIPTION:Speakers: Scott Lawrence (University of Maryland\, College Par
k)\nFermionic field theories at finite density suffer from a sign problem\
, making lattice calculations exponentially expensive in the volume. This
sign problem can be reduced or eliminated by complexifying configuration s
pace\, and integrating over a contour deformed from the real plane. We pre
sent an algorithm for determining integration contours with reduced sign p
roblems. We give results from this algorithm for both 1+1 and 2+1 dimensio
nal field theories at finite density.\n\nhttps://indico.fnal.gov/event/159
49/contributions/34923/
LOCATION:Kellogg Hotel and Conference Center Centennial
URL:https://indico.fnal.gov/event/15949/contributions/34923/
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