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The Hamiltonian $H=sqrt{p^2+m^2}$ defines a one-particle quantum mechanics in the usual way. Let us call this theory RQM for short. Peskin and Schroeder claim that RQM violates causality...
Asked on 06/30/2021 by Sam Gralla
3 answerConsider the experimental setup for Young's Double Slit Experiment: Here there is an angle between the directions of propagation of...
Asked on 06/30/2021
1 answerI sometimes hear stories where people compare their feelings in winter in different places in the world. It goes likein city X the temperature was the same as in city...
Asked on 06/30/2021 by user27542
5 answerIn Sean Carroll's GR book, pg 84, the exterior derivative $d$ is defined as$$(dA)_{mu_1mu_2...mu_{p+1}} = (p+1) partial_{[mu_1}A_{mu_2...mu_{p+1}]}tag{2.76}$$where $A$ is a $p$-form and the RHS...
Asked on 06/30/2021
2 answerIn the canonical ensemble, the partition function for an ideal gas is given by: $$frac{Z}{N!}$$ The factor $N!$ accounts for the indistinguishability of the particles of the ideal gas. What...
Asked on 06/30/2021 by vectorize7891
4 answerTo simulate light scattering on the rotating black hole we have used this paper and this code. First, we made animation for light beam scattering in...
Asked on 06/30/2021 by Alex Trounev
1 answerIn this stack and this other stack which I had asked, there was discussion on when you can apply momentum conservation in collisions. The conclusion was that...
Asked on 06/30/2021
1 answerIn a tube with a thick segment, then a thin segment, does pressure increase gradually as the fluid approaches the narrowing, or is it uniform through the entire length of...
Asked on 06/30/2021
0 answerIn the following article, under the section Physics of the Superlens, it is stated:The light emitted or scattered from an object includes not onlypropagating waves but...
Asked on 06/30/2021 by schn
1 answerSay we have a car on a rough inclined plane, the maximum constant velocity at which the car can travel is $ V $, the driving force is ...
Asked on 06/30/2021
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