Physics – Condensed Matter – Statistical Mechanics
Scientific paper
Aug 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995phrve..52.1447t&link_type=abstract
Physical Review E (Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics), Volume 52, Issue 2, August 1995,
Physics
Condensed Matter
Statistical Mechanics
92
Classical Statistical Mechanics, Boson Systems, Experimental Studies Of Gravity, Fundamental Aspects Of Astrophysics
Scientific paper
Within the framework of the recently introduced nonextensive statistical mechanics, we generalize the Planck law for the blackbody radiation. The generalized thermal spectrum contains an additional parameter q, for which q=1 in the Planck limit. For the cosmic microwave background radiation, we find a 95% confidence limit of ||q-1||<3.6×10-5 from the data of Mather et al. [Astrophys. J. 420, 439 (1994)] that were obtained with the Cosmic Background Explorer satellite, under the assumption that the internal reference of the apparatus has a Planck spectrum.
Loh Edwin D.
Sá Barreto F. C.
Tsallis Constantino
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