Ou, Congjie; Li, Wei; Du, Jiulin; Tsobnang, François; … - In: Physica A: Statistical Mechanics and its Applications 387 (2008) 23, pp. 5761-5767
It is shown that a small system in thermodynamic equilibrium with a finite thermostat can have a q-exponential probability distribution which closely depends on the energy nonextensivity and the particle number of the thermostat. The distribution function will reduce to the exponential one at...