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Collapse of Transient Nucleation Fluxes in a Cold Ising Ferromagnet

Domenii publicaţii > Fizica + Tipuri publicaţii > Articol în revistã ştiinţificã

Autori: Vitaly A. Shneidman and Gelu M. Nita

Editorial: The American Physical Society, PHYSICAL REVIEW LETTERS, 97, p.065703, 2006.


We report the time-dependent nucleation fluxes and associated nucleation rates in a metastable Ising ferromagnet on square lattice with Metropolis (Glauber-type) dynamics. It is discovered that, with lowering of the temperature, fluxes collapse into several representative transient curves corresponding to magic cluster sizes. Those can be associated with physical droplets, i.e., long-lived configurations which provide a link with the classical Becker-Döring picture.

Cuvinte cheie: nucleation theory, Ising model