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Giovanny Espitia's Notes
Textbook notes, papers, lecture summaries, and worked explanations from theoretical and computational condensed matter physics.
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Chapter 2: From a problem of size 3N to N 3-dimensional problems
TextbooksMaterials Modeling Using Density Functional TheoryPDFAugust 31, 2026
Chapter 2: Many-body Schrödinger equation In this chapter, we develop progressively better approximations to the many - body problem in terms of the independent electron approximation. In the notes, we will see that this results in novel terms to our potential that replace the…
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Fundamentals of Condensed Matter Physics
These notes are based on the textbook by Dr. Steven G. Louie and Dr. Marvin L. Cohen
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Materials Modeling Using Density Functional Theory
These set of notes cover the textbook on DFT by Dr. Feliciano Giustino from UT Austin
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Quantum Theory of Materials
These notes are based on the textbook by Dr. Efthimios Kaxiras and Dr. John D. Joannopoulos