Kramers Escape Rate

A Brownian particle in a double-well potential. Kramers formula: k = (ω_a·ω_b)/(2πγ) · exp(−ΔU/kT). Tune temperature, damping, and barrier height. Watch the turnover between underdamped and overdamped regimes.

Kramers rate k =
Mean escape time =
Observed escapes: 0
Avg time (sim):
Regime:
ω_a = √|U''(well)| (well freq)
ω_b = √|U''(barrier)| (barrier freq)
Overdamped: k ≈ ω_a·ω_b/(2πγ)·e^{-ΔU/kT}
Underdamped: k ≈ ω_a·e^{-ΔU/kT} / (2π)
Escape time distribution (log-binned) — exponential for Kramers