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13- Linear response theory and Kubo formula - Course on Quantum Many-Body Physics
Автор: Luis Gregorio Dias
Загружено: 2020-09-29
Просмотров: 9965
Описание:
Welcome to the course on Quantum Theory of Many-Body systems in Condensed Matter at the Institute of Physics - University of Sao Paulo (IF-USP).
In this class, we will cover:
Linear response theory.
Kubo formula.
Dielectric response.
0:00 - 1:01 - Introduction
1:01 - 25:39 - Linear Response Theory
25:39 - 40:31 - Kubo formula in frequency domain
40:31 - 48:04 - Example: Dielectric response
48:04 - 57:51 - Perturbative quantum limit
57:51 - 1:16:26 - Dielectric response (linear)
Erratum: in 1:03:18, the expression for U(q) should have (1/r) in the integrand (not 1/r^2) and the result is missing a 1/epsilon_0 factor.
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