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Learn advanced techniques for generating and validating pseudopotentials in density functional theory calculations through this comprehensive tutorial that builds upon fundamental concepts. Explore the theoretical foundations behind pseudopotential construction, including the principles of norm conservation and ultrasoft pseudopotentials. Master practical approaches for testing pseudopotential accuracy through convergence studies, transferability tests, and comparison with all-electron calculations. Discover best practices for optimizing pseudopotential parameters to achieve the right balance between computational efficiency and numerical precision. Examine common pitfalls in pseudopotential generation and learn systematic methods for identifying and resolving issues that can affect calculation reliability. Apply hands-on techniques for evaluating pseudopotential performance across different chemical environments and bonding situations. Gain insights into advanced topics such as projector augmented wave methods and their implementation in modern electronic structure codes.
