Harmonic oscillator#

Planck’s quantized oscillators and the blackbody spectrum, and the quantum harmonic oscillator suite: Fock states, Glauber coherent states, squeezed states, thermal broadening, an animated Fock-state superposition, and the Wigner quasi-probability distribution in phase space.

The harmonic oscillator suite

The harmonic oscillator suite

Dirac’s ladder-operator method

Dirac's ladder-operator method

Planck’s quantum hypothesis and blackbody radiation

Planck's quantum hypothesis and blackbody radiation

Wigner phase-space quasi-probability

Wigner phase-space quasi-probability