Wang-Landau sampling in three-dimensional polymers
A. G. Cunha Netto (1), C. J. Silva (1), A. A. Caparica (1), R. Dickman, (2) ((1) Instituto de F\'isica, Universidade Federal de Goi\'as, Goi\^ania, (GO), Brazil, (2) Departamento de F\'isica, Instituto de Ci\^encias Exatas,, Universidade Federal de Minas Gerais
TL;DR
This paper applies Wang-Landau sampling to three-dimensional lattice polymers, demonstrating its effectiveness in accurately calculating thermodynamic properties and accessing low-temperature states.
Contribution
It introduces the application of Wang-Landau sampling to 3D polymer chains, confirming its accuracy and advantages over traditional methods.
Findings
Results agree with Metropolis sampling
Accurately determines density of states
Effective in low-temperature regions
Abstract
Monte Carlo simulations using Wang-Landau sampling are performed to study three-dimensional chains of homopolymers on a lattice. We confirm the accuracy of the method by calculating the thermodynamic properties of this system. Our results are in good agreement with those obtained using Metropolis importance sampling. This algorithm enables one to accurately simulate the usually hardly accessible low-temperature regions since it determines the density of states in a single simulation.
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