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  • Title: Thermostatistics of overdamped motion of interacting particles.
    Author: Andrade JS, da Silva GF, Moreira AA, Nobre FD, Curado EM.
    Journal: Phys Rev Lett; 2010 Dec 31; 105(26):260601. PubMed ID: 21231636.
    Abstract:
    We show through a nonlinear Fokker-Planck formalism, and confirm by molecular dynamics simulations, that the overdamped motion of interacting particles at T=0, where T is the temperature of a thermal bath connected to the system, can be directly associated with Tsallis thermostatistics. For sufficiently high values of T, the distribution of particles becomes Gaussian, so that the classical Boltzmann-Gibbs behavior is recovered. For intermediate temperatures of the thermal bath, the system displays a mixed behavior that follows a novel type of thermostatistics, where the entropy is given by a linear combination of Tsallis and Boltzmann-Gibbs entropies.
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