Dynamics of Subcritical Bubbles in First Order Phase Transition | Zendy

Tetsuya Shiromizu | Zendy; Masahiro Morikawa | Zendy; Jun’ichi Yokoyama | Zendy

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Dynamics of Subcritical Bubbles in First Order Phase Transition

Author(s) -

Tetsuya Shiromizu,

Masahiro Morikawa,

Jun’ichi Yokoyama

Publication year - 1995

Publication title -

progress of theoretical physics

Language(s) - English

Resource type - Journals

eISSN - 1347-4081

pISSN - 0033-068X

DOI - 10.1143/ptp.94.805

Subject(s) - physics , phase transition , thermal fluctuations , non equilibrium thermodynamics , thermal equilibrium , thermal , amplitude , fluctuation dissipation theorem , adiabatic process , radius , thermodynamic equilibrium , electroweak interaction , dissipation , phase (matter) , langevin equation , fokker–planck equation , statistical physics , thermodynamics , quantum mechanics , differential equation , computer security , computer science

We derivate the Langevin and the Fokker-Planck equations for the radius of$O(3)$-symmetric subcritical bubbles as a phenomenological model to treatthermal fluctuation. The effect of thermal noise on subcritical bubbles isexamined. We find that the fluctuation-dissipation relation holds and that inthe high temperature phase the system settles down rapidly to the thermalequilibrium state even if it was in a nonequilibrium state initially. We thenestimate the typical size of subcritical bubbles as well as the amplitude offluctuations on that scale. We also discuss their implication to theelectroweak phase transition.Comment: 13 pages, LaTex file, To appear in Progress of Theoretical Physic

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