Tagged Questions
1
vote
1answer
116 views
How do the energy eigenvalues of rotational degrees of freedom in statistical mechanics come about?
I want to understand the hierarchy different degrees of freedom of a mechanical system. Specifically, I want to understand which subsystems equibrilate faster and why. This question comes up:
Why ...
2
votes
1answer
324 views
How can a Photon have a “frequency”?
I picture a light ray as composed of photons with an energy equal to the frequency of the light ray according to E=hf. Is this the good way to picture this? Although I can solve elementary problems ...
4
votes
4answers
578 views
How to calculate the quantum expectation of frequency of a particle?
I know how to calculate the expectation of < $\Psi$|A|$\Psi$ >
where the operator A is the eigenfunction of energy, momentum or position, but I'm not sure how to perform this for a pure frequency.
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