Quasinormal modes of a two-dimensional black hole |
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| Authors: | S Estrada-Jiménez J R Gómez-Díaz A López-Ortega |
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| Institution: | 1. Centro de Estudios en Física y Matemáticas Básicas y Aplicadas, Universidad Autónoma de Chiapas, Ciudad Universitaria, Carretera Emiliano Zapata Km. 8, C.P.?29050?, Tuxtla, Chiapas, Mexico
2. Departamento de Física, Escuela Superior de Física y Matemáticas, Instituto Politécnico Nacional, Unidad Profesional Adolfo López Mateos, Edificio 9, C.P.?07738?, Mexico, D.F., Mexico
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| Abstract: | For a two-dimensional black hole we determine the quasinormal frequencies of the Klein–Gordon and Dirac fields. In contrast to the well known examples whose spectrum of quasinormal frequencies is discrete, for this black hole we find a continuous spectrum of quasinormal frequencies, but there are unstable quasinormal modes. In the framework of the Hod and Maggiore proposals we also discuss the consequences of these results on the form of the entropy spectrum for the two-dimensional black hole. |
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