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While reading GR, I came about the tests of GR, one of them being Shapiro Time delay. The idea being that it takes more time to travel...
Asked on 05/23/2021
0 answerIn a student experiment the following assembly is used to create an entangled photon pair. From the left, a laser...
Asked on 05/23/2021 by Larss96
1 answerHow do voltage/current sources - both dependent and independent - affect the linearity of a circuit? To apply the superposition theorem, a circuit must be linear. As I understand it,...
Asked on 05/23/2021 by Fascheue
0 answerTL; DR: According to a book by Tomonaga in a chapter introducing second quantization, the formula$$e^{pm i Theta/hbar} ,psi(N) = psi(Npm 1)$$is supposed to prove that the...
Asked on 05/23/2021 by JackI
1 answerWe know the well known relation in General Relativity. $G=kappa T$ Where G is the Einstein Tensor and T is the Energy-Momentum Tensor and K is the constant. I...
Asked on 05/23/2021 by The_Theoretical_Physicist
1 answerDo polar coordinates define an inertial frame or not? Everywhere in GR, the authors of all the books talk about bring the metric to diag(-1, 1,1,1) which would show that...
Asked on 05/23/2021
2 answerI recently came across energy band theory in semiconductors and pauli's exclusion principle. But I'm not sure how energy level split and why, when the atoms are so much far...
Asked on 05/23/2021 by Nazmul Hasan Shipon
0 answerWhy does the velocity of free stream outside the boundary layer in wedge flow changes in direction of flow ($x$)? Why thickness of boundary layer on the wedge is...
Asked on 05/23/2021
1 answerIn response to the top answer here: Newtonian Mechanics - How does something like a car wheel roll? I clearly fundamentally misunderstand something here. I can't reconcile there being...
Asked on 05/23/2021
3 answerCosmologists from the BOSS and eBoss surveys construct 3-D maps of correlated galaxy positions, measure their redshifts and use the comoving BAO feature as a standard ruler. With these data,...
Asked on 05/23/2021
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