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Master's Dissertation
DOI
10.11606/D.54.1993.tde-07042015-170846
Document
Author
Full name
Eduardo Soares Rodrigues
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 1993
Supervisor
Committee
Oliveira, Paulo Murilo Castro de (President)
Alcaraz, Francisco Castilho
Onody, Roberto Nicolau
Title in Portuguese
Relevo energético de vidros de spin numa rede quadrada
Keywords in Portuguese
Não disponível
Abstract in Portuguese
Neste trabalho simulamos computacionalmente o modelo ± J numa rede quadrada para o cálculo dos mínimos e máximos locais de energia. Para tal, fizemos o uso de variáveis Booleanas para armazenar as configurações variáveis de spins e as configurações fixas de ligações ferro e antiferromagnéticas entre sítios vizinhos. Definindo uma dinâmica conveniente dos spins na rede, estudamos o gráfico da Energia × S, onde S representa um elemento do espaço de estados de dimensão N = L2. Utilizamos redes de dimensões L = 8, 16, 32 e 64
Title in English
Not available
Keywords in English
Not available
Abstract in English
In this work we have simulated numerically the ± J Ising model in a square lattice to obtain the minimum and maximum local energies. We used Boolean variables to store the variable configuration of the spins and the fixed configuration of ferro and antiferromagnetic bonds linking nearest neighbors. We have defined a convenient dynamic of the spins on the lattice and we analyzed the behavior of this dynamic by plotting Energy × S, where S represents an element of the associated space of states with dimension N = L2. We take lattice with linear sizes L = 8, 16, 32 and 64
 
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Publishing Date
2015-04-08
 
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