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Doctoral Thesis
DOI
https://doi.org/10.11606/T.43.1991.tde-01102012-124733
Document
Author
Full name
Valdecir Marvulle
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 1991
Supervisor
Committee
Wreszinski, Walter Felipe (President)
Aguiar, Marcus Aloizio Martinez de
Almeida, Alfredo Miguel Ozorio de
Nemes, Maria Carolina
Perez, Jose Fernando
Title in Portuguese
SOBRE OS LIMITES CLASSICO E SEMICLASSICO DO MODELO SPIN-BOSONS
Keywords in Portuguese
CAOS (SISTEMAS DINÂMICOS)
PARTÍCULAS (FÍSICA NUCLEAR)
Abstract in Portuguese
Estudamos o modelo spin-boson, principalmente no limite semiclassico (muitos fotons) e classico (muitos atomos), e as estatisticas dos niveis de energia nnd e DELTA IND.3 a ele relacionadas. No caso classico, encontramos que o comportamento caotico do sistema para baixas energias esta fortemente relacionado com polarizacao nula e quase nenhum foton presente no estado inicial.
Title in English
About the limits classical and semi classical spin-boson model.
Keywords in English
CAOS (DYNAMIC SYSTEMS)
PARTICLES (NUCLEAR PHYSICS)
Abstract in English
The spin-boson model, its classical (many atoms) and semiclassical (many fotons) limits are studied. The NND and IND. 3 statistics of the energy are showed in a quantum and semiclassical calculations. In the classical case, the chaotic behaviour of the system for low energies is related to the fact that, in the initial states, the atoms have zero polarization and no fotons are included.
 
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45832Marvulle.pdf (1.12 Mbytes)
Publishing Date
2012-10-01
 
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