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I reviewed part of my notes in the quantum mechanics class, and still have a few questions about the variational derivation of the Schrodinger's equation: The variational principle says that...
Asked on 12/12/2020
2 answerWe know that the spatial inversion parity for eigenfunctions of $hat {L}_{z}$ operator (spherical functions) is $(-1)^{l}$, where $l$ refers to angular momentum. So for product of two eigenfunctions with...
Asked on 12/12/2020 by Andrew McAddams
1 answerI have a trouble in understanding the concept of the work. In the closed system, Work done by system=Work on surroundings Here is the part of the process that prove...
Asked on 12/12/2020 by MinJung.Kim
1 answerAngular momentum is definitely quantized in elementary particles and electrons in atoms. Molecules also have characteristic rotation spectra. Is it true that all angular momentum is quantized, including big...
Asked on 12/12/2020 by Jim Graber
3 answerI need help with understanding what details one should consider when computing the time it might take for a fictional spacecraft to make landfall from orbit. I'm sure its mass...
Asked on 12/11/2020 by Info-Maniac
0 answerI don't think it's just a matter of reorienting maps and recalibrating compasses.In any case, how long does a inversion last? hours, days, weeks, years? If it lasts days...
Asked on 12/11/2020 by jumpjack
1 answerI was recently reading about magnetic force. Although its macroscopic functioning is clear, no microscopic explanation of how it works seemed clear to me. The spin concept, for example, seems...
Asked on 12/11/2020
0 answerSo, I'm learning about Twistors, and in every book I've read they say the same: "If a flat theory is Poincaré-invariant and it is invariant under conformal rescaling (Weyl scaling),...
Asked on 12/11/2020
1 answerI am trying to find a model, or construct my own to describe the diffusion of a particle between layers of immiscible fluids with different densities. The particle size is...
Asked on 12/11/2020
0 answerI am just a curious physics student. This question is about the nature of light. In a single-photons double slits (or multiple slits) experiment, the interference pattern or the distribution...
Asked on 12/11/2020 by Steven Lee WW
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