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Monte Carlo calculations of the finite density Thirring model
Andrei Alexandru, Gokce Basar, Paulo F. Bedaque +2
We present results of the numerical simulation of the two-dimensional Thirring model at finite density and temperature. The severe sign problem is dealt with by deforming the domai…
Monte Carlo study of real time dynamics
Andrei Alexandru, Gokce Basar, Paulo F. Bedaque +2
Monte Carlo studies involving real time dynamics are severely restricted by the sign problem that emerges from highly oscillatory phase of the path integral. In this letter, we pre…
A study of symmetry breaking in a relativistic Bose gas using the contraction algorithm
Andrei Alexandru, Gokce Basar, Paulo Bedaque +2
A relativistic Bose gas at finite density suffers from a sign problem that makes direct numerical simulations not feasible. One possible solution to the sign problem is to re-expre…
Fast Estimator of jacobians in Monte Carlo Integration on Lefschetz Thimbles
Andrei Alexandru, Gokce Basar, Paulo F. Bedaque +2
A solution to the sign problem is the so-called "Lefschetz thimble approach" where the domain of integration for field variables in the path integral is deformed from the real axis…