Solved This is an assignment problem for quantum mechanics. | Chegg.com
DOC) PROPAGATOR/GREEN'S FUNCTION IN QUANTUM MECHANICS | Sethuraman Jambunathan - Academia.edu
SOLVED: Using the Feynman path integral approach, show that the propagator for the quantum mechanical simple harmonic oscillator is mw mw (q²+q²) cos wT -2q,I K(q X 2Tih sin wT 2h sin
Quantum Field Theory
quantum mechanics - How can the propagator be written in the below integral form? - Physics Stack Exchange