WhatIAm
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1 answers
7 votes
532 views
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What's the Lagrangian for the Pauli equation?
1 answers
6 votes
574 views
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How does the expression $P=\frac12\left(1+\vec\sigma_1\cdot\vec\sigma_2\right)$ for the exchange of two spins work?
1 answers
5 votes
643 views
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Photon Angular Momentum
1 answers
3 votes
224 views
Force to stop a moving rope vs. stagnation pressure of a fluid
1 answers
2 votes
2k views
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Cross Products and Commutators
0 answers
2 votes
274 views
Estimating Energy Bands For Dirac Comb Potential
1 answers
2 votes
2k views
Normal Coordinates for Quantum Coupled Oscillators
0 answers
1 votes
74 views
Units of a quantum electromagnetic field
0 answers
0 votes
268 views
1 bookmarks
How to model a cooling system?
2 answers
0 votes
549 views
1 bookmarks
Confused about Slater Determinant