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seen Apr 3 at 14:18

Dec
8
awarded  Commentator
Nov
11
awarded  Yearling
May
20
accepted The units of gain and number of atoms in population inversion in a laser
May
20
revised The units of gain and number of atoms in population inversion in a laser
Added tags
May
20
asked The units of gain and number of atoms in population inversion in a laser
May
13
comment Stark Effect on the 1st excited state of Hydrogen
Is the selection rule $\Delta m = 0$ for the integral?
May
13
comment Stark Effect on the 1st excited state of Hydrogen
Excellent, thanks!
May
13
accepted Stark Effect on the 1st excited state of Hydrogen
May
13
comment Stark Effect on the 1st excited state of Hydrogen
That's a useful overview, but I think I need a slightly more rigorous approach. Don't feel obliged to do it yourself, but do you know of any resources which would be helpful?
May
13
asked Stark Effect on the 1st excited state of Hydrogen
May
4
awarded  Student
Dec
4
awarded  Caucus
Nov
29
awarded  Scholar
Nov
29
accepted Which pion is mediator in nucleon-nucleon interaction
Nov
29
asked Which pion is mediator in nucleon-nucleon interaction
Nov
16
comment Particles vs Waves
A particle is described by its wavefunction, a probability amplitude describing its quantum state. When a system is observed the wavefunction "collapses" into a sharply peaked function at some point, which appears to be like a classical particle. Then again Quantum Field Theory sort of renders the difference between the two moot.
Nov
15
comment Particles vs Waves
But individual particles have been shown to behave like waves. Performing the double slit experiment one photon at a time shows this.
Nov
14
answered Finding The Obtuse Angle
Nov
14
comment Calculating uncertinity in measurements
If you rephrase the question so it is more generally about error propagation it could be reopened.
Nov
14
awarded  Critic