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Doctoral Thesis
DOI
10.11606/T.43.1992.tde-02102012-121217
Document
Author
Full name
Rudnei de Oliveira Ramos
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 1992
Supervisor
Committee
Marques, Gil da Costa (President)
Bazeia Filho, Dionisio
Escobar, Bruto Max Pimentel
Rivelles, Victor de Oliveira
Wreszinski, Walter Felipe
Title in Portuguese
Teoria quântica das excitações topologicas.
Keywords in Portuguese
Mecânica Quântica
Partículas (Física Nuclear)
Abstract in Portuguese
Descrevemos as propriedades dos chamados operadores desordem ou de criacao de excitacoes topologicas no contexto da teoria quantica de campos no continuo. No caso de excitacoes do tipo vortice, no modelo de higgs abeliano em 2+1d, obtemos explicitamente as funcoes de correlacao assim como o espectro de massa, em t=0 e tDIFERENTE0, dessa excitacao topologica. A generalizacao para campos nao-locais de monopolos em 3+1d e para solitons em dimensao arbitraria e discutida assim como aplicacoes do formalismo de operadores ordem-desordem em teorias de bosonizacao e chern-simons.
Title in English
Quantum theory of topological excitations.
Keywords in English
Particles (Nuclear Physics)
Quantum Mechanics
Abstract in English
The properties of the disorder or topological excitations creation operators in the context of continuum quantum field theory are described. In the Abelian Higgs Model in 2+ 1D, explicit expressions to the vortex correlation function and to the vortex mass spectrum at T=0 and T0 are obtained. Generalizations to nonlocal monopoles fields in 3+1D, solitons in arbitrary dimensions and applications of the order-disorder formalism to bosonization and Chern-Simons Theories are discussed.
 
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45928Ramos.pdf (34.32 Mbytes)
Publishing Date
2012-10-02
 
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