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I would like to discuss an idea to generalize a flat-spacetime-approach for time dilation to arbitrary curved spacetimes. Starting Point Suppose we have - in flat spacetime - one inertial...
Asked on 06/26/2021
0 answerLet's say I have some mass density function $rho(r)$ in a sphere of radius $R$. Question is how can a mean density of object be inferred from such...
Asked on 06/26/2021
1 answerThe following plot shows data collected from a Co-60 coincidence experiment. The detectors used were NaI(T) scintillation detectors. One detector was gated around the 1.33 MeV peak and the second detector...
Asked on 06/26/2021
1 answerSuppose I am looking at a moving mirror, the image will move at twice the speed of the mirror but what if the mirror was to move with half the...
Asked on 06/26/2021 by gunslinger
2 answerPhotons, the quanta of the radiation field, carry spin $-$ an intrinsic angular momentum. Classical radiation also has angular momentum having the expression $$vec{J}=frac{1}{mu_0c^2}int dV left(vec{r}timesleft(vec{E}timesvec{B}right)right).$$ Is it...
Asked on 06/26/2021
2 answerSuppose you are inside a very large empty box in deep space , floating ( i.e not touching the box from anywhere initially).The box is at complete rest.Now you...
Asked on 06/26/2021 by Bhavesh Sood
6 answerAs already mentioned in this post. In the context of QFT, the kernel of integration for the overlap of a field configuration ket, $| Phi rangle$ with the...
Asked on 06/26/2021
1 answerWhen a body is rotated with a constant angular velocity $omega$ and is dropped to ground, the friction should act as in the picture below...
Asked on 06/26/2021 by Get_RiGhT
2 answerI am curious to know what a plot of polarizer angle vs counts produces for experimental results of Bell tests vs the classical prediction....
Asked on 06/26/2021
2 answerIn most practical cases I have seen, voltage was regarded as a difference in electric potential, save the odd change of magnetic flux over time which, as a form of...
Asked on 06/26/2021 by Carvo Loco
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