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Immanuel's user avatar
Immanuel
  • Member for 8 years, 6 months
  • Last seen more than a month ago
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question
6
Inverse Laplacian
Oct 5, 2021
question
4
Why do we need fermionic harmonic oscillators? And how is their Hamiltonian obtained?
Nov 17, 2017
answer
4
Why is the electromagnetic field strength $F_{\mu\nu}=\partial_\nu A_\mu-\partial_\mu A_\nu$ a tensor?
Sep 3, 2017
answer
4
Why don't we write the symmetric term $\eta_{\mu\nu}\partial_\rho\xi^\rho$ in a change of coordinates in linearized gravity?
Sep 6, 2017
answer
2
Four-velocity of a particle moving in a circle
Aug 29, 2017
question
1
Does spinor formalism work just in four dimensions?
Jan 27, 2017
answer
1
Index problem in change of action under spacetime dependent translation
Nov 29, 2016
answer
1
What is the second derivative of volume divided by volume in this context?
Aug 31, 2017
question
0
A Calculation in Padmanabhan's Book
Jun 4, 2016
question
0
Gravitational constant in lower dimensions
Aug 30, 2021