Skip to main content
Physics

You are not logged in. Your edit will be placed in a queue until it is peer reviewed.

We welcome edits that make the post easier to understand and more valuable for readers. Because community members review edits, please try to make the post substantially better than how you found it, for example, by fixing grammar or adding additional resources and hyperlinks.

Required fields*

3
  • $\begingroup$ If you had to guess as to what the square of the momentum operator looked like, what would you guess? $\endgroup$ Commented Mar 22, 2013 at 20:01
  • $\begingroup$ How were you able to derive this relationship for the expectation value? How is that approach not applicable to $\hat p^2$? $\endgroup$ Commented Mar 22, 2013 at 20:16
  • $\begingroup$ I derived it from $d\langle x \rangle/dt$ using 2 partial derivation, some u-substitutions and derivation of a product. It took me 2 days to calculate it. I did it like Griffith in his book... $\endgroup$ Commented Mar 22, 2013 at 22:54