Equilibrium relativistic mass distribution for indistinguishable events

L. Burakovsky, L. P. Horwitz

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A manifestly covariant relativistic statistical mechanics of a system of N indistinguishable events with motion in space-time parametrized by an invariant "historical time" τ is considered. The relativistic mass distribution for such a system is obtained from the equilibrium solution of the generalized relativistic Boltzmann equation by integration over angular and hyperangular variables. All the characteristic averages are calculated. Expressions for the pressure and the energy density are found, and the relativistic equation of state is obtained. Validity criteria are defined. The Galilean limit is considered; the theory is shown to pass over to the usual nonrelativistic statistical mechanics of indistinguishable particles. Anti-events are introduced; for an event-anti-event system the equation of state p, ρ ∝ T6is found, which gives the value of the sound velocity c2= 0.20, in agreement with the "realistic" equation of state suggested by Shuryak for hot hadronic matter.

Original languageEnglish
Pages (from-to)785-818
Number of pages34
JournalFoundations of Physics
Issue number6
StatePublished - Jun 1995


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