Physics
Joe
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Votes Newest
99
Trace of a commutator is zero - but what about the commutator of $x$ and $p$?
May 22 '11
32
Trace of a commutator is zero - but what about the commutator of $x$ and $p$?
May 23 '11
21
Quantum dimension in topological entanglement entropy
Feb 8 '13
17
Do quantum states contain exponentially more information than classical states?
May 25 '11
16
Is the normal force a conservative force?
Jan 15 '13
14
Why are there chiral edge states in the quantum hall effect?
Jan 31 '13
11
What strategies can a researcher use when confronted with a long and complicated symbolic expression?
Feb 3 '13
11
When and how did the idea of the tensor product originate in the history quantum mechanics?
Feb 4 '13
10
Why quantum mechanics?
Feb 2 '13
7
When driving uphill why can't I reach a velocity that I would have been able to maintain if I started with it?
Feb 6 '13
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101
ElasticSearch group by multiple fields
67
Are there real-life relations which are symmetric and reflexive but not transitive?
33
elasticsearch group-by multiple fields
30
Multiple group-by in Elasticsearch
21
Can Python's unittest test in parallel, like nose can?

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