On Fri, Sep 5, 2025 at 9:44 AM Alan Grayson <agrayson2...@gmail.com> wrote:
*>> A "free particle" is a particle that is not subject to ANY external > force or have any potential energy, so its total energy is kinetic. That > makes things simpler and as a result the quantum wave function is just a > plane wave. But in the real world things are more complicated because "free > particles" do not exist. * > > > *> But we can imagine a free particle in empty space* > *If you're forcing a particle to go through two slips in a wall before it reaches a detector screen then it is not a free particle. * *>and we do that often. * *College professors often do that because it makes a problem much simpler, so simple he can give it as a homework problem and his students might actually have a fighting chance of actually being able to solve it. But nobody does it because we often (or ever) see a "free particle" in nature. * *> So, IMO, there's no way to get a particle's wf from a double slit > experiment,* *Perhaps you should consider changing your opinion. In his book "The Feynman Lectures on Physics", Richard Feynman said "the two slit experiment contains all the mysteries in Quantum Mechanics, a phenomenon impossible to explain in classical terms". * *> Has the solution wf for the electron been solved? If so, by whom? Dirac?* *As I've mentioned before, Dirac found a way for Quantum Mechanics and Special Relativity to live together in harmony, and he did it 97 years ago. To this day nobody has been able to do the same thing for General Relativity, it's the holy grail of physics. * * John K Clark See what's on my new list at Extropolis <https://groups.google.com/g/extropolis>* nws -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to everything-list+unsubscr...@googlegroups.com. To view this discussion visit https://groups.google.com/d/msgid/everything-list/CAJPayv3r%2B0%2BFTy5J-V1-BwPTEDtvsZkyB9U8z0BLEW7hOZ3zHA%40mail.gmail.com.
