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Chebyshev polynomial representation of imaginary time response functions
Emanuel Gull, Sergei Iskakov, Igor Krivenko +2
Problems of finite-temperature quantum statistical mechanics can be formulated in terms of imaginary (Euclidean) -time Green's functions and self-energies. In the context of realis…
Optimized broad-histogram simulations for strong first-order phase transitions: Droplet transitions in the large-Q Potts model
Bela Bauer, Emanuel Gull, Simon Trebst +2
The numerical simulation of strongly first-order phase transitions has remained a notoriously difficult problem even for classical systems due to the exponentially suppressed (ther…
Optimized Broad-Histogram Ensembles for the Simulation of Quantum Systems
Stefan Wessel, Norbert Stoop, Emanuel Gull +2
The efficiency of statistical sampling in broad-histogram Monte Carlo simulations can be considerably improved by optimizing the simulated extended ensemble for fastest equilibrati…
Ensemble Optimization Techniques for the Simulation of Slowly Equilibrating Systems
S. Trebst, D. A. Huse, E. Gull +3
Competing phases or interactions in complex many-particle systems can result in free energy barriers that strongly suppress thermal equilibration. Here we discuss how extended ense…
Optimized ensemble Monte Carlo simulations of dense Lennard-Jones fluids
Simon Trebst, Emanuel Gull, Matthias Troyer
We apply the recently developed adaptive ensemble optimization technique to simulate dense Lennard-Jones fluids and a particle-solvent model by broad-histogram Monte Carlo techniqu…