Benji Remez

428 reputation

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visits	member for	8 months
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	428 reputation	bio	website		visits	member for	8 months
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May 20	asked	Leap from photon gas energy distribution to black body radiation?
Apr 19	asked	Do viruses suffer from quantum de-localization?
Apr 2	accepted	How was the Oh-My-God particle observed?
Jan 23	accepted	Do electrons in multi-electron atoms really have definite angular momenta?
Jan 20	asked	Do electrons in multi-electron atoms really have definite angular momenta?
Dec 24	comment	Finding interplanetary flight trajectory using calculus of variations? I edited the body of the original question to show my progress.
Dec 24	revised	Finding interplanetary flight trajectory using calculus of variations? added 1518 characters in body
Dec 22	comment	Finding interplanetary flight trajectory using calculus of variations? Thanks! I'm having a look at that and trying to adapt it to the problem at hand.
Dec 21	answered	Why for a spin half particle, possible outcomes of measuring spin projection along any direction are the same?
Dec 21	asked	Finding interplanetary flight trajectory using calculus of variations?
Dec 8	comment	Partition function of bosons vs fermions I would just add a clarification that you consider states like $\|12\rangle$ and $\|21\rangle$ as indistinguishable (i.e., a proper boson\fermion state would be $\|12\rangle \pm \|21\rangle$)
Dec 4	awarded	Caucus
Dec 2	comment	Is there any possibility in the future that domestic power consumption could be wholly solar powered? Well, yearly fluctuations and bad weather, I assume, would cancel out when averaged over an entire year. Unless the location of choice is close to either of the poles, adjusting for latitude isn't as crucial as coming up with a more reasonable figure for the actual collection efficiency.
Dec 2	answered	Is there any possibility in the future that domestic power consumption could be wholly solar powered?
Nov 30	accepted	Is the momentum operator well-defined in the basis of standing waves?
Nov 30	comment	Is the momentum operator well-defined in the basis of standing waves? Alright, so here's a followup question. I agree that the mode counting operator produces equivalent information. But my problem is that these states do no distinguish between positive and negative momenta (they don't specify a sign). So, if I were to put wave packet in the box with some momentum, moving along, say, the positive $x$ axis, how would such a packet be decomposed in the basis of the eigenstates? And how would it differ if the initial momentum had been negative?
Nov 30	comment	Is the momentum operator well-defined in the basis of standing waves? I'm doing this indeed for numerical purposes. So technically speaking, since the matrix elements of $\hat{p}$ vanish when the difference between $m$ and $n$ increases, would taking a larger finite matrix result in the off-diagonal elements of $\hat{p}^2$ getting smaller?
Nov 30	comment	Is the momentum operator well-defined in the basis of standing waves? Shouldn't the momentum operator exist anyway, and any invariance of the Hamiltonian just imply that it (meaning its expected value) is conserved?
Nov 30	asked	Is the momentum operator well-defined in the basis of standing waves?
Nov 28	comment	How was the Oh-My-God particle observed? But how traceable are these jets, especially if a major portion of the particles produced do not reach any detector? (Also, what does PMT stand for?)