The Sign Problem is the Solution
classification
✦ hep-lat
keywords
oscillationsvolumeamplitudechiralcomplexcondensatedensitydirac
read the original abstract
The unquenched spectral density of the Dirac operator at $\mu\neq0$ is complex and has oscillations with a period inversely proportional to the volume and an amplitude that grows exponentially with the volume. Here we show how the oscillations lead to the discontinuity of the chiral condensate.
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