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If you carry a book in your hands, and you walk up stairs with a change in height of $h$, the net work on both you and the book...
Asked on 10/03/2021
2 answerIn EM theory concept of skin depth is induced which is a measure of how much a EM wave can penetrate the medium, from it arises the concept of...
Asked on 10/03/2021
1 answerIn intrinsic semiconductor, i have learned that fermi level is weakly dependent on temperature and it is sited between Ec and Ev. In this case, I have some questions.What...
Asked on 10/03/2021 by Quantumboy
2 answerQuestion 1 I was trying to understand why cosmologist calculate the matter fluctuations in spheres of $8 h^{-1} Mpc$. I look for information and I ...
Asked on 10/03/2021
0 answerTwo related questions regarding the equal-time commutation relation in the Klein-Gordon field (I suspect they have the same/very related answers): In the following notes http://www-thphys.physics.ox.ac.uk/people/FabianEssler/C6web2012/theory/canonical.pdf, they have:...
Asked on 10/03/2021
1 answerin a RC circuit is order of resistance and capacitor important? Typically there is the battery then the capacitor then the resistance, but is it ok if I draw with...
Asked on 10/03/2021 by jean marc
1 answerConservation of momentum is Newton's third law. Conservation of energy is attained in theory by defining work, deducing the work-energy principle and specifying that if a force or system is...
Asked on 10/03/2021
3 answerIf we have an object of a certain mass that's moving on a non-friction floor with a certain velocity v, and we suppose that at some point we take off...
Asked on 10/03/2021 by M.Taki_Eddine
2 answerI am new to AdS/CFT. I know that the dual of the bulk metric is the CFT stress tensor but what about the dual of the bulk stress tensor? I...
Asked on 10/03/2021
2 answerI'm currently studying QFT from David Tong's lecture notes and video lectures. In meson to nucleon + antinucleon decay (section 3.2.1 inthis ) in scalar Yukawa theory...
Asked on 10/02/2021 by JohnnyMo1
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