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Dynamics of many particles in the urn model

Tong Pei-Qing Chen Bo

Dynamics of many particles in the urn model

Tong Pei-Qing, Chen Bo
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  • Abstract views:  3241
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  • Cited By: 0
Publishing process
  • Received Date:  04 February 2005
  • Accepted Date:  29 July 2005
  • Published Online:  20 December 2005

Dynamics of many particles in the urn model

  • 1. (1)南京师范大学物理科学与技术学院,南京 210097; (2)南京邮电大学通达学院,南京 210003

Abstract: 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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