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Rejection-free cluster Wang-Landau algorithm for hard-core lattice gases
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Jaleel, Asweel Ahmed A., Thomas, Jetin E., Mandal, Dipanjan, Sumedha, and Rajesh, R. (2021) Rejection-free cluster Wang-Landau algorithm for hard-core lattice gases. Physical Review E, 104 (4-2). 045310. doi:10.1103/PhysRevE.104.045310 ISSN 1539-3755.
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Official URL: https://doi.org/10.1103/PhysRevE.104.045310
Abstract
We introduce a rejection-free, flat histogram, cluster algorithm to determine the density of states of hard-core lattice gases. We show that the algorithm is able to efficiently sample low entropy states that are usually difficult to access, even when the excluded volume per particle is large. The algorithm is based on simultaneously evaporating all the particles in a strip and reoccupying these sites with a new appropriately chosen configuration. We implement the algorithm for the particular case of the hard-core lattice gas in which the first k next-nearest neighbors of a particle are excluded from being occupied. It is shown that the algorithm is able to reproduce the known results for k=1,2,3 both on the square and cubic lattices. We also show that, in comparison, the corresponding flat histogram algorithms with either local moves or unbiased cluster moves are less accurate and do not converge as the system size increases.
Item Type: | Journal Article | ||||||
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Subjects: | Q Science > QC Physics | ||||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||
SWORD Depositor: | Library Publications Router | ||||||
Library of Congress Subject Headings (LCSH): | Lattice gas , Lattice gas -- Mathematical models, Phase transformations (Statistical physics) , Entropy | ||||||
Journal or Publication Title: | Physical Review E | ||||||
Publisher: | American Physical Society | ||||||
ISSN: | 1539-3755 | ||||||
Official Date: | 25 October 2021 | ||||||
Dates: |
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Volume: | 104 | ||||||
Number: | 4-2 | ||||||
Article Number: | 045310 | ||||||
DOI: | 10.1103/PhysRevE.104.045310 | ||||||
Status: | Peer Reviewed | ||||||
Publication Status: | Published | ||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||
Date of first compliant deposit: | 7 December 2021 | ||||||
Date of first compliant Open Access: | 8 December 2021 |
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