The Physics of Time Asymmetry

absorber theory absorption assumption asymmetry atoms behaviour black hole Boltzmann boundary conditions branch systems cavity chapter charged particle classical collapse collisions comoving considered constant corresponding cosmological fluid cosmological models cycle damping decrease direction discussion distribution diverging electrodynamics electromagnetic ensemble entropy increase equal equations of motion equilibrium event example expansion fact figure finite fluctuation follows frame Friedmann model function galaxies gravitational H theorem integral interaction irreversibility isolated system J. J. C. Smart K mesons low entropy macroscopic matter microcanonical ensemble Minkowski space molecular chaos molecules nature null cone observer occur particle horizon photons Phys physical Poincaré processes properties quantity quantum measurement quantum mechanics quantum statistical mechanics radiation random recontracting region representative point result reversal Robertson-Walker metric second law singularity solution space space-time starlight stars statistical mechanics surface t₁ temperature term tion University Press vector velocity volume wall world lines