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Learn advanced concepts in time-dependent density functional perturbation theory through this 33-minute lecture delivered by Stefano Baroni from Materials Cloud. Explore the theoretical foundations and mathematical formulations that extend density functional theory to time-dependent systems, focusing on perturbative approaches that allow for the calculation of response properties in materials. Delve into the computational methods used to study electronic excitations, optical properties, and dynamic responses of condensed matter systems. Gain insights into how this theoretical framework enables the prediction of spectroscopic properties and helps understand the behavior of electrons in materials under time-varying external fields. Master the key equations, approximations, and practical applications that make this approach essential for modern computational materials science and quantum mechanical calculations of excited-state properties.
