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9 answers
110 votes
20k views
89 bookmarks
Why is quantum entanglement considered to be an active link between particles?
24 answers
84 votes
91k views
209 bookmarks
List of freely available physics books
7 answers
38 votes
43k views
31 bookmarks
Adding 3 electron spins
2 answers
35 votes
11k views
43 bookmarks
Kubo Formula for Quantum Hall Effect
3 answers
21 votes
45k views
12 bookmarks
How do you find the uncertainty of a weighted average?
1 answer
8 votes
601 views
8 bookmarks
Introduction to Gauge Symmetries: Good, Bad or Ugly?
1 answer
7 votes
346 views
9 bookmarks
String-net models on non-trivalent lattices
1 answer
6 votes
811 views
6 bookmarks
$SU(2)$ Yang-Mills EOM
2 answers
6 votes
307 views
1 bookmarks
Ricci scalar and General Relativity cartoon pictures
3 answers
4 votes
6k views
4 bookmarks
Fermi's Golden Rule and Density of States
0 answers
4 votes
173 views
1 bookmarks
Will the photon wavelength fluctuate in the presence of a gravitational wave?
2 answers
3 votes
71 views
1 bookmarks
What is the minimal discrete model of wave propagations?
0 answers
2 votes
93 views
2 bookmarks
When does "solve and plugin" fail?