Quantum Harmonic Oscillator

Wavefunctions ψₙ(x), probability densities |ψ|², and time evolution
Energy Eₙ = ℏω(n + ½). Wavefunctions: ψₙ(x) = Hₙ(x)·e^(−x²/2)/√(2ⁿn!√π). Superposition shows quantum beating between energy levels.