- #1
gentsagree
- 96
- 1
How do I compute the commutator [itex][a,e^{-iHt}][/itex], knowing that [itex][H,a]=-Ea[/itex]?
I tried by Taylor expanding the exponential, but I get [itex]-iEta[/itex] to first order, which seems wrong.
I tried by Taylor expanding the exponential, but I get [itex]-iEta[/itex] to first order, which seems wrong.