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Concept

Variational principle

Related lectures (31)

Hamiltonian Mechanics: Phase Space and Poisson Bracket

Explores phase space, the Poisson bracket, and Hamiltonian mechanics concepts.

Density Functional Theory

Covers the Density Functional Theory, including the Hartree-Fock method and the Kohn-Sham scheme.

Variational Calculus and Least Action Principle

Covers the principle of least action and variational calculus in discovering equations of motion.

Quantum Physics II: Time-Independent Perturbation Theory

Explores time-independent perturbations in quantum physics, covering variational principle and Fourier series.

Geometric Potentials and Pressure

Introduces Banach spaces for geometric potentials and pressure analysis, emphasizing equilibrium states and pressure function analyticity.

Hartree-Fock Equations for N Fermions

Discusses the minimization of the Hartree-Fock functional for N fermions and the variational principle in quantum physics.

Wave Mechanics: Variational Principle

Explores wave mechanics through the variational principle and disordered potentials.

Hartree-Fock Equations for N Fermions

Explores Hartree-Fock equations, variational principles, excited states, and quantum physics concepts.

Variational Principle: Quantum Physics II

Covers the variational principle in quantum physics for approximating energy levels.

Field Theory: Action Principles

Discusses the application of action principles in classical field theory, focusing on Lagrange and Hamiltonian formulations.

Analytical Mechanics: Principle of Least Action

Covers the principle of least action and constraint handling in analytical mechanics.

Hartree-Fock Method: Theory and Applications

Explores the Hartree-Fock method in quantum chemistry, emphasizing the variational principle and self-consistent solutions.

Principle of Least Action

Covers the principle of least action, Euler-Lagrange equations, Lagrange multipliers, and variational calculus.

Einstein Equations

Covers the derivation of Einstein equations and the Schwarzschild metric.

Quantum Chemistry: Perturbation Theory Log in to Mediaspace to watch this video

Covers perturbation theory in quantum chemistry, variational principle, Pauli principle, and separability of operators.

Perturbation Theory and Variational Principle Log in to Mediaspace to watch this video

Covers perturbation theory, variational principle, and systematic approaches to determining true energy levels.

Theoretical Foundations of DFT Log in to Mediaspace to watch this video

Explores the Hohenberg-Kohn Theorems, electron density distributions, and the variational principle in DFT.

Quantum Mechanics Basics Log in to Mediaspace to watch this video

Covers the basics of quantum mechanics, focusing on solving the non relativistic Schrodinger equation.

Quantum Chemistry: Postulates and Harmonic Oscillator Log in to Mediaspace to watch this video

Explores the historical perspective and postulates of quantum mechanics, focusing on the harmonic oscillator and approximation methods.

Quantum Approximate Optimization Algorithm Log in to Mediaspace to watch this video

Covers the Quantum Approximate Optimization Algorithm, physically inspired unitary coupled cluster ansatz, hardware-efficient ansatz, and variational quantum eigensolver.