Physics
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jkb1603
  • Member for 4 years, 11 months
  • Last seen more than a week ago
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All Questions Answers
Score Newest
answer
11
Does local mean infinitesimally small?
Nov 20, 2020
question
6
Confusion about in and out states, interacting Hilbert space etc, referring to Weinberg QFT
Nov 10, 2021
answer
6
Trouble deriving expression for differential scattering cross section from $S$-matrix
Jan 9, 2021
answer
5
How come $\frac{d}{dt}\left(\frac{\partial {r_i}}{\partial {q_j}}\right) = \frac{\partial {\dot r_i}}{\partial {q_j}}$ in Lagrangian mechanics?
Dec 11, 2018
answer
4
Do "tadpole diagram with two external legs" always vanish in massless theories?
Oct 11, 2021
question
3
Problem with loop Integral (HQET)
Dec 13, 2018
question
3
Scattering amplitudes and LSZ formula for off-shell renormalization scheme
Sep 9, 2020
question
3
The proton quantum state
Apr 20
answer
3
Replacing pole with delta function in Peskin and Schroeder
May 16, 2019
answer
3
How to use the Poisson Bracket to generate a finite Lorentz transformation?
Oct 14, 2020

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