user avatar
user avatar
user avatar
el psy Congroo
  • Member for 9 years, 2 months
  • Last seen more than a month ago
23 votes
3 answers
28k views

Meaning of the chemical potential for a boson gas

8 votes
3 answers
5k views

Explaining Lenz's Law without conservation of energy

5 votes
1 answer
309 views

Is the conversion efficiency of second harmonic generation the same for sum frequency generation?

4 votes
0 answers
382 views

Physical interpretation of the chemical potential in Bose and Fermionic gas

4 votes
2 answers
441 views

Size of the Fermi surface of hole and electrons

4 votes
1 answer
2k views

Derivation of existence of energy band gap in semiconductor (solid State)

3 votes
1 answer
13k views

How to prove dp/dt = -dV/dx? Quantum mechanics [closed]

3 votes
1 answer
217 views

Michelson interferogram white light pattern symmetry

3 votes
0 answers
3k views

Questions about Michelson interferometer

3 votes
2 answers
1k views

Understanding the Mathematics of Wigner function [duplicate]

3 votes
0 answers
59 views

Role of chemical potential in bosonic gas

3 votes
0 answers
333 views

Electric field of a capacitor in dielectric medium with weird size

3 votes
3 answers
1k views

How many photons in a ultrafast laser pulse?

2 votes
1 answer
695 views

Derivation of fermion anticommutation rule

2 votes
1 answer
914 views

Density of states (treating states in continuum)

2 votes
1 answer
2k views

Wave function collapse

2 votes
2 answers
2k views

Why does water have several different solid phase but only one liquid and gas phase

2 votes
1 answer
9k views

Phase shift of resonance [duplicate]

2 votes
1 answer
2k views

Quantum harmonic Oscillator analytic method

2 votes
1 answer
747 views

Questions about Statistical Mechanics

1 vote
1 answer
4k views

Principle Axes of inertia and moments of inertia

1 vote
2 answers
2k views

Euler angles derivation

1 vote
1 answer
755 views

Influence of applied voltage to an electron of a metal

1 vote
1 answer
249 views

Resistance of a diode in different regime and the physics of recombination current

1 vote
0 answers
229 views

Mie's scattering Theory Problem

1 vote
1 answer
1k views

Transparence of an infinite square well? [closed]

1 vote
1 answer
3k views

Triple point temperature and freezing point

1 vote
1 answer
2k views

Tunnelling through a Dirac potential barrier

1 vote
1 answer
146 views

Weird Behaviour of the act of measurement to a quantum system

1 vote
0 answers
62 views

Matching measured eigenvalue of a matrix [closed]