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rsaavedra
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17 votes
1 answer
6k views

How do non-conservative forces affect Lagrange equations?

17 votes
2 answers
8k views

Ultra-relativistic gas

11 votes
3 answers
7k views

In what limit do we *really* get Maxwell-Boltzmann statistics from Bose-Einstein and Fermi-Dirac?

  • 18.4k
3 votes
1 answer
1k views

When does Hamiltonian equals to energy of the system?

3 votes
0 answers
1k views

Finding symmetries of a Lagrangian [closed]

  • 305
1 vote
0 answers
150 views

What physical system does the Hamiltonian $ H = \frac{q^4p^2}{2\mu} + \frac{\lambda}{q^2}$ describe?

0 votes
0 answers
61 views

Canonical transformation that contains the time as an explicit parameter

  • 181
0 votes
1 answer
361 views

Maxwell-Boltzmann statistics partition function: N! or multinomial coefficient?

  • 832
0 votes
1 answer
283 views

Drift kinetic equation orderings

  • 832