Spectrum of γ-Fluids: A Statistical Derivation
J. A. E. Carrillo, J. A. S. Lima, A. Maia
Abstract
The spectrum of massless bosonic and fermionic fluids satisfying the equation of state p=(γ-1)ρ is derived using elementary statistical methods. As a limiting case, the Lorentz invariant spectrum of the vacuum (γ=0, p=-ρ) is deduced. These results are in agreement with our earlier derivation for bosons using thermodynamics and semiclassical considerations.
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