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Theory Colloquia

Reducing the noise in QCD at nonzero baryon density

by David B. Kaplan (Institute for Nuclear Theory, University of Washington)

Europe/Zurich
TH Theory Conference Room (CERN)

TH Theory Conference Room

CERN

Description
An obvious tool for relating the properties of stable matter to the Standard Model is lattice QCD with a nonzero baryon chemical potential. However this approach is afflicted with a terrible signal-to-noise problem which renders it useless. I examine the origins of this problem, and suggest a way to greatly improve the grand canonical calculation for low baryon density.
Organized by

Martin Luescher