Dynamics of many particles in the urn model | Zendy

Bo Chen | Zendy; Tong Pei-Qing | Zendy

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Dynamics of many particles in the urn model

Author(s) -

Bo Chen,

Tong Pei-Qing

Publication year - 2005

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.54.5554

Subject(s) - statistical physics , physics , langevin dynamics , langevin equation , thermodynamic equilibrium , gaussian , power law , dynamics (music) , noise (video) , thermodynamics , mathematics , statistics , quantum mechanics , computer science , artificial intelligence , acoustics , image (mathematics)

We study the behavior of many particles moving in the 2-urn and 3-urn systems driven by a stochastic heat bath. The velocities and the positions of the particles are calculated through noise activated 1-D Langevin function. We find the time in which the system is in equilibrium becomes longer than the time in which the system is in non-equilibrium as the bath temperature increases. The velocity distribution of the particles is always Gaussian. The effective temperature T2 characterizing non-equilibrium state obeys the power law with the restitution coefficient r.

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