Nonequilibrium systems: an study by means of different approaches

Author(s)

Carlos Eduardo Fiore dos Santos

• Document type: Doctoral Thesis
• Press: São Paulo.
• Institution: Universidade de São Paulo (USP). Instituto de Física (IF/SBI)
• Defense date: 2006-10-30

Examining board members

Mario Jose de Oliveira; Jose Fernando Fontanari; Joao Antonio Plascak; Carmen Pimentel Cintra do Prado; Jürgen Fritz Stilck

• Advisor: Mario Jose de Oliveira

Abstract

In this PHD thesis, we have presented a study about several nonequilibrium systems with absorbing states by means of different approaches, such as mean-field analysis, usual numerical simulations, analysis in another ensemble and perturbative series expansions. In a specific part of this thesis, we have shown that the approach proposed here for describing nonequilibrium systems in the constant particle number ensemble can also be used to caracterize equilibrium systems, described by Gibbs probability distribution. Finally, we have shown open problems for future researchs. (AU)