84 research outputs found
Nonextensive Thermostatistical Investigation of The Blackbody Radiation
Thermodynamical quantities of the blackbody radiation, such as free energy,
entropy, total radiation energy, specific heat are calculated within the
Tsallis thermostatistics where factorization method is incorparated. It is
shown that basic thermodynamical relation of the blackbody radiation is form
invariant with respect to nonextensivity entropic index q. Furthermore, the
nonextensive thermodynamical quantities related to the blackbody radiation is
seperately be obtained in terms of q and the standard thermodynamical
quantities of the blackbody radiation .It is indicated that the formulation may
give a way to determine the q which determines the degree of the nonextensivity
that is the one of the aims of the present study.Comment: 16 pages,No figures,to be appear in Chaos,Solitons&Fractal
Thermodynamic Consistency of the -Deformed Fermi-Dirac Distribution in Nonextensive Thermostatics
The -deformed statistics for fermions arising within the non-extensive
thermostatistical formalism has been applied to the study of various quantum
many-body systems recently. The aim of the present note is to point out some
subtle difficulties presented by this approach in connection with the problem
of thermodynamic consistency. Different possible ways to apply the -deformed
quantum distributions in a thermodynamically consistent way are considered.Comment: 4 pages, 1 figur
On the Cut-Off Prescriptions Associated with Power-Law Generalized Thermostatistics
We revisit the cut-off prescriptions which are needed in order to specify
completely the form of Tsallis' maximum entropy distributions. For values of
the Tsallis entropic parameter we advance an alternative cut-off
prescription and discuss some of its basic mathematical properties. As an
illustration of the new cut-off prescription we consider in some detail the
-generalized quantum distributions which have recently been shown to
reproduce various experimental results related to high superconductors
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