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Action variable

With angle period

2 π

, the action is the enclosed phase-space area divided by

2 π

:

I = (2 π)^{- 1} \oint p d q .

Table of contents 94 4
- Adiabatic invariance of the action Action variable 63 2
  - Adiabatic particle between moving parallel walls Adiabatic invariance of the action 25
  - Adiabatic parameter scaling from an action Adiabatic invariance of the action 14
- Action of the one-dimensional Kepler collision orbit Action variable 13

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Solution