Dynamical aspects of phonon-phonon coupling in collective mode damping

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We present an extension of the Quantal Brownian Motion (QBM) model of vibration damping that incorporates phonon-phonon or phonon-(two-particle-two-hole) interactions as sources of dissipative evolution of the excited mode. Starting from the Schrödinger-on Neumann equation of motion, a reduction pro...

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Detalles Bibliográficos
Autores principales:	Cataldo, Horacio Máximo, Hernández, Ester Susana, Dorso, Claudio Oscar
Publicado:	1987
Acceso en línea:	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03784371_v142_n1-3_p498_Cataldo http://hdl.handle.net/20.500.12110/paper_03784371_v142_n1-3_p498_Cataldo
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

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