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user55789
  • Member for 9 years, 10 months
  • Last seen more than 4 years ago
4 votes
1 answer
10k views

Commutation of vector operators

2 votes
1 answer
2k views

Entropy of a system: microstates and macrostates

3 votes
0 answers
428 views

Path integral measure for propagator of harmonic oscillator

3 votes
1 answer
829 views

Berry's phase and solid angle

1 vote
1 answer
480 views

What intermediate steps of the Dirac Delta Function and Fourier Series am I missing in finding a solution to the Kronig-Penney Model?

1 vote
1 answer
6k views

Total multiplicity and entropy of Einstein solids

0 votes
1 answer
3k views

Calculating height and evaluating the vicinity of a peak in a multiplicity function for a two-state paramagnet

0 votes
2 answers
3k views

How to show that the gravitational potential energy of a two particle system is -2 times the total kinetic energy, without using the virial theorem?

2 votes
2 answers
13k views

Mass of air inside air balloon