Natural Linewidth
delta_f = 1 / (2·π·τ)
What it says
A state that decays quickly has a correspondingly broad spectral line.
Symbols
| Symbol | Quantity | Dimension |
|---|---|---|
delta_f | Linewidth (Hz) | T^-1 |
τ | State lifetime (s) | T |
Work it out
Enter what you know. No account needed.
Fill in all but one: τ, delta_f are all empty.
Filed under Quantum · derive through it in the explorer