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Noether's theorem states that, for every continuous symmetry of an action, there exists a conserved quantity, e.g. energy conservation for time invariance, charge conservation for $U(1)$. Is there any...
Asked on 07/19/2021
11 answerIf both system is possible, how do we launch satellites so as to make orbital plane perpendicular or // to equatorial plane of earth?...
Asked on 07/19/2021
1 answerI quote from Zemansky's "Heat & Thermodynamics";"Imagine two systems A and B separated from each other by an adiabatic wall but each in contact with a third system C through...
Asked on 07/19/2021 by Khalid T. Salem
2 answerLet's suppose a muon emits Cherenkov light while travelling in a medium along a straight line. Let's suppose the motion is perpendicular to a wall which is instrumented with photomultipliers....
Asked on 07/19/2021
0 answerI am trying to compute $q(t)$ in a series circuit consisting of a capacitor of plate charges $q_0$ and $-q_0$ and an inductor. The switch is closed at time $t=0$....
Asked on 07/19/2021
1 answerLet's consider a quantum system in a state $left| psi right>$ relative to an observer using a coordinate frame $F$. We now introduce a second observer, using a...
Asked on 07/19/2021
3 answerLet us work in dimension $D = 4-2epsilon$. In 4-dimension, we can write $text{Tr}[A B]$, where $A$ and $B$ are string of gamma matrices, as ...
Asked on 07/19/2021
1 answerI have seen the charged pion decay $$pi^{-}~to~ bar{nu}_{ell} +ell^{-}$$ represented with diagrams containing a $W^-$ in the $s$-channel. The $pi^-$ and $W^-$ have angular momentum $0$ and $1$...
Asked on 07/19/2021 by amc
4 answerI was studying the stability of thermodynamic potentials. It is obvious that internal energy is a convex function of $(S,V) $, and in case of instable circumenstances, the system...
Asked on 07/19/2021 by George Demeteiou
0 answerI would like to understand what exactly happens when Landau damping takes place. I have seen the mathematics of it. But I am not sure If I truly understand what...
Asked on 07/19/2021
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