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Master's Dissertation
DOI
10.11606/D.43.1987.tde-01042014-092903
Document
Author
Full name
Ricardo Luiz Viana
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 1987
Supervisor
Committee
Abdalla, Elcio (President)
Gomes, Marcelo Otavio Caminha
Santos, Antonio Lima
Title in Portuguese
Quantização estocástica e a invariância de Gauge
Keywords in Portuguese
Quantização estocástica
Regularização estocástica
Simetria de Gauqe
Abstract in Portuguese
Na presente dissertação fazemos um resumo das idéias fundamentais do método de Quantização Estocástica de Parisi e Wu, com aplicações a teorias de campo Escalares, de Gauge e Fermiônicas. Em particular, nós utilizamos o esquema de Regularização Analítica Estocástica no cálculo do tensor de polarização para a Eletrodinâmica Quântica com Bósons ou Fêrmions de Dirac. A influência da regularização na invariância de Gauge e estudada para ambas as teorias, e é sugerida uma extensão do método para alguns modelos supersimétricos.
Title in English
Stochastic quantization and gauge invariance
Keywords in English
Stochastic quantization
stochastic regularization
Symmetry Gauqe
Abstract in English
In the present dissertation, we made a survey of the fundamental ideas about Parisi-Wu's Stochastic Quantization Method, with applications to Scalar, Gauge and Fermionic theories. In particular, we use the Analytic Stochastic Regularization Scheme to calculate the polarization tensor for Quantum Electrodynamics with bosons or Dirac Fermions. The regularization influence is studied for both theories and an extension of this method for some supersymmetrical models is suggested.
 
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45045Viana.pdf (6.21 Mbytes)
Publishing Date
2014-04-01
 
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