QE Tutorial 2022 - Design of Auxiliary Systems and Connectors for Spectroscopy

Explore the design of auxiliary systems and connectors for spectroscopy in this comprehensive tutorial video from the Advanced Quantum ESPRESSO series. Delve into quantum mechanics, historical perspectives, and advanced concepts like the C1 Chain, inverse condition, and approximations. Learn about the connection framework, Green's function, and local density approximation. Examine alternative solutions, local spectral functions, and sound filter equations. Discover the advantages of exact exchange correlation potential with practical examples. Gain insights into spectra potential and its applications. Conclude with a summary and opportunity for questions, enhancing your understanding of Hubbard and Koopmans functionals from linear response.

Introduction
Goals
Thank you
Quantum mechanics
Advantages
Historical perspective
C1 Chain
Inverse condition
Approximations
Connection framework
Greens function
Oscale
Approximation
Selfenergy
Local density approximation
Alternative solution
Local spectral function
Sound filter equation
Spectra potential
Exact exchange correlation potential
Advantages ofExact exchange correlation potential
Example of exchange correlation potential
Summary
Questions