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Accelerating mirrors provide a simple conceptual laboratory for studyingparticle production and the relation between trajectory and particle, energy,and entropy fluxes. We focus on the relation between energy and entropy,studying some special cases with finite total energy but infinite integratedentropy (though the entropy flux may be finite at any particular moment). Wepresent a new asymptotically static moving mirror trajectory with solvable betaBogolyubov coefficients, total energy and fully relativistic particle count.The integrated entropy diverges despite finite global radiative particle andenergy emission. Another class of models includes exponentially acceleratedmirrors in proper time; one of its unexpected behaviors is finite energyemission but divergent entropy. We compare mirrors exponentially accelerated inother coordinates as well, showing their close relation and an interestingduality property.

Finite Energy but Infinite Entropy Production from Moving Mirrors