Feb 12, 2014 #1 porcupineman23 Messages 3 Reaction score 0 Hey I didn't understand the transition below, I'd be glad for some help thanks Attachments ??.jpg 15.1 KB · Views: 465
Feb 12, 2014 #2 AlephZero Science Advisor Homework Helper Messages 6,983 Reaction score 299 Multiply all the terms by ##e^{ih\omega/2}##. Then multiply all the terms by -1.