Abstract
We investigate the nonextensivity and the q-distribution of a relativistic gas under an external electromagnetic field. We derive an expression for the nonextensive parameter q based on the relativistic generalized Boltzmann equation, the relativistic q-H theorem and the relativistic version of the q-power-law distribution function in the nonextensive q-kinetic theory. We thus provide the connection between the parameter q≠1 and the spatial-temporal derivatives of the temperature field of the gas as well as the four-potential, and thereby present a clearly physical meaning for the nonextensivity for the relativistic gas.
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Liu, Z., Guo, L. & Du, J. Nonextensivity and the q-distribution of a relativistic gas under an external electromagnetic field. Chin. Sci. Bull. 56, 3689–3692 (2011). https://doi.org/10.1007/s11434-011-4750-2
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DOI: https://doi.org/10.1007/s11434-011-4750-2