Complejidad LMC en el modelo de Kronig-Penney: comparación del efecto del desorden estructural y químico
LMC-complexity in Kronig-Penney model: comparision of effects between structural and chemical disorder
DOI:
https://doi.org/10.15446/mo.n62.84666Keywords:
Complejidad estadística, transporte electrónico, desorden (es)Statistical complexity, electronic transport, disorder (en)
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En el presente trabajo usamos el modelo de Kronig-Penney con potenciales delta como modelo de sólido unidimensional para estudiar el efecto del desorden estructural y químico en la representación de una onda plana. El desorden estructural considera la variación en la posicion de los potenciales y el desorden químico la variación en sus intensidades manteniendo fija la distancia entre los potenciales. Los efectos del desorden se evaluan a través del flujo electrónico y la medida estadística de complejidad LMC. Tanto el desorden estructural como el químico producen la maximización de la complejidad del estado electrónico y la minimización del correspondiente flujo electrónico, lo cual indica la inhibición del transporte electrónico.
In this work we use the Kronig-Penney model with delta function potentials as a one dimensional model of solid in order to study the effects of structural and chemical disorder in the plane wave representation. Structural disorder takes into account the variation on the potential position and chemical disorder is produced by changing the potential intensity and keeping fixed the distance between potentials. LMC statistical complexity measure and electron flux are used to evaluate the disorder effects. Both of them, structural and chemical disorder, produce the maximization of the electron complexity and the minimization of the corresponding electron flux which indicates the inhibition of electron transport.
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