Abstract:In this paper we discuss the radiation equation of state p = ρ/2 in (2+1)-dimensions. In (3+1)dimensions the equation of state p = ρ/3 may be used to describe either actual electromagnetic radiation (photons) as well as a gas of massless particles in a thermodynamic equilibrium (for example neutrinos). In this work it is shown that in the framework of (2+1)-dimensional Maxwell electrodynamics the radiation law p = ρ/2 takes place only for plane waves, i.e. for E = B. Instead of the linear Maxwell electrodynami… Show more
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