Gaussian wavepacket spreading: σ(t) = √(ℏ²t² + 4m²σ₀⁴)/(2mσ₀); heat-like diffusion

Layer 1 — Physicsin the attosecond-physics subtree

Gaussian-wavepacket free-propagation framework — the canonical time-domain primitive for ultrafast electron and atom wavepacket evolution after impulsive state preparation (tunnel ionisation, XUV excitation, atom-chip release). Setup: a…

Related concepts

Heat equation
Wavepacket σ(t) = √(ℏ²t² + 4m²σ₀⁴)/(2mσ₀); σ(0) = σ₀; lim_{t→∞} dσ/dt = ℏ/(2mσ₀)

Explore Gaussian wavepacket spreading: σ(t) = √(ℏ²t² + 4m²σ₀⁴)/(2mσ₀); heat-like diffusion on the interactive knowledge graph →