I wish to detail aspects of Kamenev's review of non equilibrium functional methods. Then I will use them to give a simple re-derivation of the Meir+Wingreen formula. I believe this rederivation may be useful because it clarifies the context in which their formula is valid.
I wish to detail aspects of Kamenev's review of non equilibrium functional methods. Then I will use them to give a simple re-derivation of the Meir+Wingreen formula. I believe this rederivation may be useful because it clarifies the context in which their formula is valid.