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seen Oct 17 at 17:07

Feb
26
awarded  Popular Question
Jul
31
accepted 4th order feynman-diagrams for $e^- + \mu^+ \to \nu_e + \bar{\nu}_\mu$
Jul
31
comment 4th order feynman-diagrams for $e^- + \mu^+ \to \nu_e + \bar{\nu}_\mu$
Oh, thanks for the help. I know, I've actually used the LaTeX engine before when asking questions here, don't know why it didn't come to my mind this time. Thanks anyway for the edits. (The diagram doesn't render the LaTeX since I needed fixed-width font, but maybe the LaTeX syntax is rather readable if you're used to it as well.)
Jul
31
asked 4th order feynman-diagrams for $e^- + \mu^+ \to \nu_e + \bar{\nu}_\mu$
Jul
17
comment How should I interpret the expectation value $\langle x p\rangle$ in quantum mechanics?
Yes, d/dt(anything)=0 for stationary states is (and should have been to me) clear, was just puzzled by the (anything) being something I couldn't interpret.
Jul
17
awarded  Scholar
Jul
17
awarded  Supporter
Jul
17
comment How should I interpret the expectation value $\langle x p\rangle$ in quantum mechanics?
@EmilioPisanty OK, but if the word "entangled" isn't used, it's still correct to interpret <xp> as how correlated the two quantities are?
Jul
17
accepted How should I interpret the expectation value $\langle x p\rangle$ in quantum mechanics?
Jul
16
awarded  Student
Jul
16
asked How should I interpret the expectation value $\langle x p\rangle$ in quantum mechanics?