Time dependent perturbation(determination of order)

gaus12777 · Nov 15, 2016

I have a question about time dependent perturbation.
In time dependent perturbation, unlike time independent perturbation, there is no lamda which is used for comparing order.
So, I`m confused how can I determine order.
Is there any explanation which use lambda or some other method for transparent order comparision?

Simon Bridge · Nov 16, 2016

Try looking through a few lectures...
http://www.pa.msu.edu/~mmoore/TDPT.pdf

Time dependent perturbation(determination of order)

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Time dependent perturbation(determination of order)

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