Thermodynamical and dynamical stability of a self-gravitating charged thin shell

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作者
Luz Marina Reyes
Marcelo Chiapparini
Santiago Esteban Perez Bergliaffa
机构
[1] Centro Internacional de Ciencias,Instituto de Ciencias Físicas
[2] University of Mexico (UNAM),Departamento de Física Teórica, Instituto de Física
[3] Universidade do Estado do Rio de Janeiro,Departamento de Ciencias Computacionales, CUCEI
[4] Universidad de Guadalajara,undefined
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A study of the thermodynamical and dynamical stability of self-gravitating charged shells is presented. The matter on the shell is described by a barotropic equation of state, and the charge is assumed to be proportional to the mass. For a given form of the entropy of the matter on the shell, it is shown that strong restrictions on the states of the shell follow from the imposition of both types of stability plus the condition that the speed of sound is less than one, in some cases leading to the absence of stable states.
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