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Alex Shpilkin

Apparently, this user prefers to keep an air of mystery about them.

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Top posts (18) All Questions Answers | Votes Newest

17 Propagators, Green’s functions, path integrals and transition amplitudes in quantum mechanics and quantum field theory Feb 26 '16
12 Converting between matrix multiplication and tensor contraction Apr 27 '16
7 How do (and don’t) particles emerge from fields? Apr 26 '16
7 What is the mathematical motivation for complexifying momenta in BCFW? Jun 20 '16
7 Two conjugations of supernumbers Mar 2 '17
6 Motivation for covariant phase space Feb 26 '16
5 Coordinate conversion formula in Jackson’s Electrodynamics Jan 15 '17
3 External or internal pressure in the gas laws Oct 12 '17
3 Different definitions of spinors Mar 5 '16
3 Mistake in “Quantum Mechanics” by Auletta, Fortunato and Parisi? Feb 3
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