Miroslav Pardy. Velocity of sound in the relic photon sea

Natural Sciences / Physics / General Physics

Submitted on: Feb 18, 2013, 10:42:21

Description: We determine the velocity of sound in the blackbody gas of photons and in the gas of relic photons. Derivation is based on the thermodynamic theory of the photon gas and the Einstein relation between energy and mass. The spectral form for the n-dimensional blackbody is derived. The 1D, 2D and 3D blackbody radiation is specified. It is mentioned the possibility of creation of the Mach cone in case that the high energy cosmical particles moves with the speed greater than the velocity of sound in cosmical relic photon sea. Key words: Sound, elasticity, thermodynamics, blackbody, relic photons, Mach's cone.

The Library of Congress (USA) reference page : http://lccn.loc.gov/cn2013300046.

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