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Título:
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Theoretical derivation of 1/ƒ noise in quantum chaos
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Autores:
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Relaño Pérez, Armando ;
Faleiro, E. ;
Gómez Gómez, José María ;
Molina, R. A. ;
Muñoz, L. ;
Retamosa Granado, Joaquín
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Tipo de documento:
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texto impreso
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Editorial:
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American Physical Society, 2004-12-10
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Dimensiones:
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application/pdf
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Nota general:
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info:eu-repo/semantics/openAccess
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Idiomas:
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Palabras clave:
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Estado = Publicado
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Materia = Ciencias: Física: Termodinámica
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Tipo = Artículo
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Resumen:
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It was recently conjectured that 1/ƒ noise is a fundamental characteristic of spectral fluctuations in chaotic quantum systems. This conjecture is based on the power spectrum behavior of the excitation energy fluctuations, which is different for chaotic and integrable systems. Using random matrix theory, we derive theoretical expressions that explain without free parameters the universal behavior of the excitation energy fluctuations power spectrum. The theory gives excellent agreement with numerical calculations and reproduces to a good approximation the 1/ƒ (1/ƒ^(2)) power law characteristic of chaotic (integrable) systems. Moreover, the theoretical results are valid for semiclassical systems as well.
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En línea:
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https://eprints.ucm.es/id/eprint/27785/1/Relano47libre.pdf
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