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Physics
Adrien Martina's user avatar
Adrien Martina's user avatar
Adrien Martina's user avatar
Adrien Martina
  • Member for 1 year, 9 months
  • Last seen more than a week ago
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9
Confusion in derivation of Euler-Lagrange equations
Aug 17, 2023
8
What is the Hamiltonian of the Lagrangian $L=-mc^2\sqrt{1-\dfrac{v^2}{c^2}}$?
Jul 28, 2023
6
Correlation function of tachyon vertex operators
Jul 13, 2023
6
Derive the drift velocity from drifting Maxwellian distribution
Aug 9, 2023
6
A friend of mine seems to believe that E=mgc. He believes that gravity and light are the same. That gravity is just photons not moving. Silly I’m sure
Aug 18, 2023
5
Justification of form $L(v^2)$ of Lagrangian for a free particle in Landau-Lifshitz vol 1
Aug 20, 2023
3
Wilson lines with Chan-Paton factors in string theory
Mar 17
3
Peskin & Schroeder's QFT problem 4.1(a)
Oct 26, 2022
3
Yang-Mills scattering amplitude calculation in Peskin and Schroeder
Nov 2, 2022
3
Does the state change, when the Hamiltonian changes?
Jul 15, 2023
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5
$Au_{xx} + Bu = 0 $ then $u = 0$
5
Define a function on a single element but linear in sums
5
Pattern recognition for products of variables
5
Reversing the order of function arguments by a replacement rule