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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Solução de um modelo de vértices assimétrico de três estados.

Melo, Cláudio Silva de 29 March 2005 (has links)
Made available in DSpace on 2016-06-02T20:16:53Z (GMT). No. of bitstreams: 1 DissCSM.pdf: 484363 bytes, checksum: 6bab9f79ffe781bb395554a32cdd0754 (MD5) Previous issue date: 2005-03-29 / Universidade Federal de Minas Gerais / In this work we first review some of the techniques relevant to the theory of two-dimensional integrable models. We apply the Quantum Inverse Scattering approach to a class of three-state vertex model with both closed and open boundaries. The respective transfer matrices eigenvalues and eigenvectors are determined by the algebraic Bethe ansatz method. / Nesta dissertação descrevemos primeiramente os conceitos e técnicas matemáticas relevantes a teoria dos modelos integráveis bidimensionais. O formalismo do Método do Espalhamento Inverso Quântico é aplicado a um modelo de vértices assimétricos de três estados com condições de contorno fechado e aberto. Determinamos então os autovalores e autovetores das respectivas matrizes de transferência pelo método do ansatz de Bethe algébrico.

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