On 29-05-2020 16:11, Alan Grayson wrote:
On Friday, May 29, 2020 at 6:26:20 AM UTC-6, John Clark wrote:
On Thu, May 28, 2020 at 6:28 PM Alan Grayson <[email protected]>
wrote:
_> Wiki has a good article on this. Oddly, when I took E&M
courses, undergraduate and graduate, I don't recall this issue
ever being discussed, at least not in detail. I don't recall any
detailed discussion of Planck's radiation law; that is, how it's
derived. AG _
Wow, you must have had some pretty crappy physics courses!
John K Clark
In E&M, Yes, but surely not in QM. When we got to Maxwell's
displacement current, the professor did some hand-waving related to
delta functions, which was very unsatisfying. A good course in E&M
would, IMO, include a rigorous discussion of Planck's BB formula,
since it is where quantum physics begins, and including a rigorous
treatment Maxwell's displacement current and wave solutions of the
Maxwell's equation. I doubt you have had a good course in QM, and in
physics in general, since you deny that theories of physics start with
postulates, when they obviously do. AG
http://insti.physics.sunysb.edu/~siegel/history.html
Saibal
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