Physics
Lenard Kasselmann's user avatar
Lenard Kasselmann's user avatar
Lenard Kasselmann's user avatar
Lenard Kasselmann
  • Member for 4 months
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All Questions Answers
Score Newest
answer
10
What is the physical meaning of the minus sign in the Hamilton equation of momenta?
Jul 18
answer
6
Calculate metric tensor, inverse metric tensor, and Cristoffel symbols for Earth's surface
Jun 30
answer
6
Four-velocities, geodesics and antisymmetry in Christoffel symbols
Jul 6
answer
5
Partial derivatives vs Covariant derivatives in polar coordinates
May 29
answer
5
How inaccurate is the following mental picture of particle interaction in QFT?
Jun 20
answer
4
Cosmological principle: can there be a center of the universe "outside" the universe?
May 23
answer
4
How to check that any linear combination of solutions is itself a solution to the time-dependent Schrödinger equation?
Jul 4
question
3
Why do strings select vacuum solutions of Einstein Field Equations as their natural backgrounds?
Jun 25
answer
3
If you fell into a black hole feet first, could you see your feet?
Jun 22
answer
3
$N$-body problem in 2 dimensions
Jul 27

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