View Single Post
vela
vela is offline
#7
Mar5-12, 11:55 AM
Emeritus
Sci Advisor
HW Helper
Thanks
PF Gold
P: 11,521
The Ehrenfest theorem doesn't apply here because the problem isn't about expectation values. It's more about understanding how states evolve with time. It's a conceptual problem. Don't assume ##\hat{A}## has only one allowed measurement result.