Ground State Energy: Harmonic Oscillator and Perturbation

Explores the proof of Weyl's theorem, focusing on discrete spectrum, ground states, and potential energy continuity.

Covers the concept of a photon, its emission, coherence length, and the electromagnetic spectrum.

Examines energy transitions through a socio-technical lens, focusing on key phases, actors, and sustainability goals.

Offers an overview of energy supply, economics, and the transition to sustainable energy systems.

Explores momentum, impulse, work, energy, and angular momentum in advanced physics.