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And now a demonstration of the `charged exit path' trick

The driver is thermalized every 1 time units. The first figure shows detail from time 14000 to 15000 of the simulation.
images/Charge14000det
Predicted (yellow) and actual (red) histogram of work done; 200000 samples
EnergyHist for charge exit path trick EnergyHist1
With the charged exit path (driver has downhill slope 1 for distance 5; piston has uphill slope for distance 5) Original simulation without charged exit path

This figure shows time 0..2000 of the simulation.
Charge trick
Site last modified Tue Jul 5 12:32:01 BST 2005