Search Results
Search type | Search syntax |
---|---|
Tags | [tag] |
Exact | "words here" |
Author |
user:1234 user:me (yours) |
Score |
score:3 (3+) score:0 (none) |
Answers |
answers:3 (3+) answers:0 (none) isaccepted:yes hasaccepted:no inquestion:1234 |
Views | views:250 |
Code | code:"if (foo != bar)" |
Sections |
title:apples body:"apples oranges" |
URL | url:"*.example.com" |
Saves | in:saves |
Status |
closed:yes duplicate:no migrated:no wiki:no |
Types |
is:question is:answer |
Exclude |
-[tag] -apples |
For more details on advanced search visit our help page |
14
votes
3
answers
1k
views
How should Dirac notation be understood?
If vectors $|\vec{r}⟩$ and $|\vec{p}⟩$ are defined as
$$
\hat{\vec{r}} |\vec{r}⟩ = \vec{r} |\vec{r}⟩ \\
\hat{\vec{p}} |\vec{p}⟩ = \vec{p} |\vec{p}⟩
$$
then one can see that products like
$$
⟨\vec{ …