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An Efficient and Accurate Approach to Strongly Correlated Materials

Offered By: MuST Program for Disordered Materials via YouTube

Tags

Condensed Matter Physics Courses Density Functional Theory Courses Dynamical Mean Field Theory Courses Quantum Many-body Systems Courses Computational Materials Science Courses

Course Description

Overview

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Explore an innovative approach to simulating strongly correlated materials in this 53-minute lecture by Prof. Tsung-Han Lee from National Chung Cheng University. Delve into the rotationally-invariant slave-boson (RISB) method and its combination with density functional theory (DFT+RISB) for studying strong correlation effects. Discover the limitations of RISB's accuracy and learn about the ghost-rotationally-invariant slave-boson (g-RISB) method, which introduces auxiliary ghost orbitals to enhance precision. Examine case studies of transition metal oxides where DFT+RISB requires unrealistic Coulomb parameters, and see how DFT+g-RISB offers a systematic solution for accurate material descriptions using realistic interactions. Compare the accuracy and efficiency of g-RISB with dynamical mean-field theory (DMFT), weighing their respective advantages and disadvantages in simulating strongly correlated systems.

Syllabus

An Efficient and Accurate Approach to Strongly Correlated Materials


Taught by

MuST Program for Disordered Materials

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