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M. Zeng's user avatar
M. Zeng's user avatar
M. Zeng
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View all questions and answers
23
Why is normal ordering a valid operation?
Sep 1, 2014
12
The nature of the BCS ground state
Aug 15, 2018
11
Why are particles in Quantum Mechanics indistinguishable?
Mar 2, 2016
11
How does an operator transform under time reversal?
Dec 3, 2014
10
Why is the partition function divided by $(h^{3N} N!)$?
May 21, 2015
8
Is there any difference between massless Dirac fermions and Weyl fermions?
Aug 26, 2014
6
Independent components in a 4-vector representing massless fields
Sep 3, 2014
6
Dirac's remark that inspired Feynman when formulating path integral
Sep 6, 2014
5
How do we find the phase space density from the Hamiltonian?
May 8, 2015
5
Dirac equation without $i$
Nov 13, 2019