Timeline for Expectation values of $x$, $y$, $z$ in hydrogen?
Current License: CC BY-SA 3.0
3 events
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| Oct 21, 2016 at 7:13 | comment | added | John Rennie | @PrasadMani: suppose you were whirling a stone around on a string of length $\ell$. The average distance of the stone from you is obviously $\ell$ because that's the length of the string. However the average value of $x$ and $y$ (assuming you're whirling the stone in the horizontal plane) would both be zero. | |
| Oct 21, 2016 at 7:07 | comment | added | Prasad Mani | I see that the expectation or the 'average' value is zero that way. I shouldnt worry about what it means physically? | |
| Oct 21, 2016 at 7:04 | history | answered | John Rennie | CC BY-SA 3.0 |