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Berlin 2018 – wissenschaftliches Programm

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DY: Fachverband Dynamik und Statistische Physik

DY 26: Condensed Matter Simulations augmented by Advanced Statistical Methodologies I (joint session DY/CPP)

DY 26.3: Vortrag

Dienstag, 13. März 2018, 11:30–11:45, BH-N 334

Adaptive population Monte Carlo simulations — •Martin Weigel1, Lev Yu. Barash2,3, Lev N. Shchur2,3,4, and Wolfhard Janke51Applied Mathematics Research Centre, Coventry University, Coventry, CV1 5FB, England — 2Landau Institute for Theoretical Physics, 142432 Chernogolovka, Russia — 3Science Center in Chenogolovka,142432 Chernogolovka, Russia — 4National Research University Higher School of Economics, 101000 Moscow, Russia — 5Institut für Theoretische Physik, Universität Leipzig, Postfach 100920 04009, Leipzig, Germany

Population annealing is a sequential Monte Carlo scheme that is potentially able to make use of highly parallel computational resources. Additionally, it promises to allow for the accelerated simulation of systems with complex free-energy landscapes, much alike to the much more well known replica-exchange or parallel tempering approach. We equip this method with self-adaptive schemes for choosing the algorithmic parameters, including the temperature and sweep protocols as well as the population size. The resulting method is significantly more efficient for simulations of systems with complex free-energy landscapes than some more traditional approaches, and it is particularly well suited for massively parallel computing environments such as (clusters of) GPUs.

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