Theory of direct-interband-transition line shapes based on Mori’s method |
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Authors: | Sam Nyung Yi Jai Yon Ryu Ok Hee Chung Joung Young Sug Sang Don Choi Yeon Choon Chung |
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Affiliation: | (1) Department of Physics, Kyungpook National University, Taegu, South Korea;(2) Korea Standards Research Institute, Taejon, South Korea |
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Abstract: | ![]() Summary A theory of direct interband optical transitions in the electronphonon system is introduced on the basis of the Kubo formalism and by using Mori’s method of calculation. The line shape functions are introduced in two different ways and are compared with those obtained by Choi and Chung based on Argyres and Sigel’s projection technique. Riassunto S’introduce una teoria delle transizioni ottiche dirette d’interbanda nei sistemi elettronefonone sulla base del formalismo di Kubo e usando il metodo di calcolo di Mori. Le funzioni di forma della linea s’introducono in due diversi modi e sono paragonate a quelle ottenute da Choi e Chung basate sulla tecnica di proiezione di Argyres e Sigel. Резюме Развивается теория прямых межзонных оптических переходов в электрон-фононных системах на основе формализма Кубо и, используя метод вычислений Мори. Выводятся функции для форм линий двумя различными способами. Полученные результаты сравниваются с результатами Чоя и Чунга, которые основаны на технике проектирования Аргиреса и Сигеля. |
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Keywords: | Theory of electronic transport scattering mechanisms |
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