Examinando por Autor "San Martin, Jaime"

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    Fermi acceleration in rotating drums
    (American Institute of Physics Inc., 2022-06-01) Burdzy, Krzysztof; Duarte, Mauricio; Gauthier, Carl-Erik; Graham, C. Robin; San Martin, Jaime
    Consider hard balls in a bounded rotating drum. If there is no gravitation, then there is no Fermi acceleration, i.e., the energy of the balls remains bounded forever. If there is gravitation, Fermi acceleration may arise. A number of explicit formulas for the system without gravitation are given. Some of these are based on an explicit realization, which we derive, of the well-known microcanonical ensemble measure. © 2022 Author(s).