Free-Energy Barrier at Droplet Condensation | Zendy

Andreas Nußbaumer | Zendy; Elmar Bittner | Zendy; Wolfhard Janke | Zendy

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Free-Energy Barrier at Droplet Condensation

Author(s) -

Andreas Nußbaumer,

Elmar Bittner,

Wolfhard Janke

Publication year - 2010

Publication title -

progress of theoretical physics supplement

Language(s) - English

Resource type - Journals

ISSN - 0375-9687

DOI - 10.1143/ptps.184.400

Subject(s) - statistical physics , condensation , ising model , monte carlo method , lattice (music) , physics , activation barrier , materials science , thermodynamics , mechanics , mathematics , density functional theory , quantum mechanics , statistics , acoustics

We discuss several aspects of a Monte Carlo computer simulation study of the condensation of macroscopic droplets emerging in the two-dimensional Ising lattice-gas model. By varying the particle density at fixed temperature we monitor the droplet formation in detail and compare our results with recent analytical predictions in the infinite-volume limit. Three different lattice discretizations are considered which are found to yield very similar results when presented in properly scaled variables. Particular emphasis is placed on the free-energy barrier associated with droplet formation and its implication for multimagnetical simulations.

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