Quantal distribution functions in non-extensive statistics and an early universe test revisited

Abstract

Within the context of non-extensive thermostatistics, we use the factorization approximation to study a recently proposed early universe test. A very restrictive bound upon the non-extensive parameter is presented: $|q-1|<4.01\times 10^{-3}$.

4 pages, prl revtex style, no figures. To appear in Physica A, 1999

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