output
20102020
most citedGPU accelerated population annealing algorithm

57 citations

21 papers

physics.comp-ph2020★ 4 cited

Algorithm for the replica redistribution in the implementation of parallel annealing method on the hybrid supercomputer architecture

Alexander Russkov, roman Chulkevich, Lev Shchur

The parallel annealing method is one of the promising approaches for large scale simulations as potentially scalable on any parallel architecture. We present an implementation of t…

cond-mat.mtrl-sci2020★ 7 cited

Inelastic neutron scattering: A novel approach towards determination of equilibrium isotopic fractionation factors. Size effects on heat capacity and beta-factor of diamond

Andrey A. Shiryaev, Veniamin B. Polyakov, Stephane Rols +2

A new experimental method of determination of equilibrium isotopic properties of substances based on Inelastic Neutron Scattering (INS) is proposed. We present mathematical formali…

cond-mat.soft2020

On the Ohm law in dilute colloidal polyelectrolytes

I. Chikina, V. Shikin, Andrey Varlamov

We discuss the peculiarities of the Ohm law in dilute polyelectrolytes containing a relatively low concentration of the multiply-charged colloidal particles. It is demonstrated tha…

cond-mat.stat-mech2019★ 1 cited

Matrix multiplication and universal scalability of the time on the Intel Scalable processors

Alexander Russkov, Lev Shchur

Matrix multiplication is one of the core operations in many areas of scientific computing. We present the results of the experiments with the matrix multiplication of the big size…

cond-mat.mtrl-sci2019★ 42 cited

Amorphous carbons in view of multianalytical consideration: normal, expected, and new

Ye. A. Golubev, N. N. Rozhkova, E. N. Kabachkov +8

The approach based on selected set of samples and selected set of analytical tools occurred quite efficient when applying to amorphous carbons thus leading to a transformation of t…

physics.soc-ph2018★ 2 cited

On the geometric structures in evolutionary games on square and triangular lattices

Evgeni Burovski, Aleksandr Malyutin, Lev Shchur

We study a model of a spatial evolutionary game, based on the Prisoner's dilemma for two regular arrangements of players, on a square lattice and on a triangular lattice. We analyz…

cond-mat.stat-mech2018★ 3 cited

Variable-step-length algorithms for a random walk: hitting probability and computation performance

Olga Klimenkova, Anton Yu. Menshutin, Lev N. Shchur

We present a comparative study of several algorithms for an in-plane random walk with a variable step. The goal is to check the efficiency of the algorithm in the case where the ra…

cond-mat.stat-mech2018★ 6 cited

On properties of the Wang--Landau algorithm

L. N. Shchur

We review recent advances in the analysis of the Wang--Landau algorithm, which is designed for the direct Monte Carlo estimation of the density of states (DOS). In the case of a di…

cond-mat.stat-mech2018★ 15 cited

Estimating the Density of States of Frustrated Spin Systems

Lev Barash, Jeffrey Marshall, Martin Weigel +1

Estimating the density of states of systems with rugged free energy landscapes is a notoriously difficult task of the utmost importance in many areas of physics ranging from spin g…

cond-mat.stat-mech2018★ 9 cited

Synchronization of Conservative Parallel Discrete Event Simulations on a Small-World Network

Liliia Ziganurova, Lev N. Shchur

We examine the question of the influence of sparse long-range communications on the synchronization in parallel discrete event simulations (PDES). We build a model of the evolution…

cond-mat.stat-mech2017★ 2 cited

Influence of the random walk finite step on the first-passage probability

Olga Klimenkova, Anton Menshutin, Lev N. Shchur

A well known connection between first-passage probability of random walk and distribution of electrical potential described by Laplace equation is studied. We simulate random walk…

cond-mat.stat-mech2017★ 1 cited

On the mixing time in the Wang-Landau algorithm

Marina Fadeeva, Lev N. Shchur

We present preliminary results of the investigation of the properties of the Markov random walk in the energy space generated by the Wang-Landau probability. We build transition ma…

physics.soc-ph2017★ 5 cited

Dynamic fractals in spatial evolutionary games

Sergei Kolotev, Aleksandr Malyutin, Evgeni Burovski +2

We investigate critical properties of a spatial evolutionary game based on the Prisoner's Dilemma. Simulations demonstrate a jump in the component densities accompanied by drastic…

cond-mat.quant-gas2017★ 48 cited

The impact of the injection protocol on an impurity's stationary state

Oleksandr Gamayun, Oleg Lychkovskiy, Evgeni Burovski +3

We examine stationary state properties of an impurity particle injected into a one-dimensional quantum gas. We show that the value of the impurity's end velocity lies between zero…

cond-mat.stat-mech2017★ 18 cited

Control of accuracy in the Wang-Landau algorithm

L. Yu. Barash, M. A. Fadeeva, L. N. Shchur

The Wang-Landau (WL) algorithm has been widely used for simulations in many areas of physics. Our analysis of the WL algorithm explains its properties and shows that the difference…

physics.comp-ph2017★ 13 cited

Exploring first-order phase transitions with population annealing

Lev Yu. Barash, Martin Weigel, Lev N. Shchur +1

Population annealing is a hybrid of sequential and Markov chain Monte Carlo methods geared towards the efficient parallel simulation of systems with complex free-energy landscapes.…

physics.comp-ph2017★ 57 cited

GPU accelerated population annealing algorithm

Lev Yu. Barash, Martin Weigel, Michal Borovský +2

Population annealing is a promising recent approach for Monte Carlo simulations in statistical physics, in particular for the simulation of systems with complex free-energy landsca…

quant-ph2015

Phenomenological theory of photodetection

M. V. Lebedev

There are some reasons to consider the existing theory of photodetection as not complete. An attempt to improve it on the basis of the well known considerations of black body radia…

physics.flu-dyn2014★ 29 cited

Dependence of fluid flows in an evaporating sessile droplet on the characteristics of the substrate

L. Yu. Barash

Temperature distributions and the corresponding vortex structures in an evaporating sessile droplet are obtained by performing detailed numerical calculations. A Marangoni convecti…

physics.flu-dyn2013★ 27 cited

Marangoni convection in an evaporating droplet: Analytical and numerical descriptions

L. Yu. Barash

The stationary single vortex Marangoni convection in an axially symmetrical sessile drop of capillary size is considered. The detailed description of the fluid flows is presented f…

cond-mat.stat-mech2010★ 12 cited

Morphological diagram of diffusion driven aggregate growth in plane: competition of anisotropy and adhesion

Anton Yu. Menshutin, Lev. N. Shchur

Two-dimensional structures grown with Witten and Sander algorithm are investigated. We analyze clusters grown off-lattice and clusters grown with antenna method with $N_{fp}=3,4,5,…