Abstract
The nonextensive kinetic theory for degenerate quantum gases is discussed in the general relativistic framework. By incorporating nonadditive modifications in the collisional term of the relativistic Boltzmann equation and entropy current, it is shown that Tsallis entropic framework satisfies a H-theorem in the presence of gravitational fields. Consistency with the 2nd law of thermodynamics is obtained only whether the entropic q-parameter lies in the interval q∈[0,2]. As occurs in the absence of gravitational fields, it is also proved that the local collisional equilibrium is described by the extended Bose–Einstein (Fermi–Dirac) q-distributions.
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