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I have a question about the really meaning of the fine structure constant. Actually, my doubt is why the physicist look to a meaning for this constant.I understand the...
Asked on 11/26/2020
4 answerI am following Sidney Coleman's lecture of Quantum field theory where in ch 25 he talked BPHZ renormalization and in ch 23 he talked about on-shell renormalization of spin-1/2 theory....
Asked on 11/26/2020 by ocf001497
0 answerIn The renormalization group by Matthew Schwartz the is very interesting picture of RG for dimension and dimensionless couplings: Topology...
Asked on 11/26/2020
0 answerIs there a framework for describing the probabilistic confidence of an $N$-body syzygy? Forgive me if I'm misusing terminology: I'd like to know how physicists/astronmers model the confidence of...
Asked on 11/26/2020 by batlike
0 answerThe emf of a cell is defined as the work done per unit positive charge in taking it around the complete circuit of the cell (i.e. in the wire outside...
Asked on 11/26/2020
3 answer$$dU=TdS-PdV+mu dbar{N}$$ $$mu=left(frac{partial U}{partial bar{N}}right)_{S,V}$$ The energy of each photon is given by $hbaromega$ (each photon obviously carries energy). Therefore the addition of a photon to a...
Asked on 11/26/2020 by Pancake_Senpai
4 answerLet me elaborate for you my concerning I am thinking of a example of a vertical mass spring system. Suppose i place my system at equator, let suppose a wall...
Asked on 11/26/2020
1 answerWhy doesn't the velocity of a photon change when it is emitted from a source moving with certain velocity? If a photon is a particle then it should have a...
Asked on 11/25/2020 by SRIVISHNU BHARAT
3 answerI'll paste the exact lines of my textbook:(I) For nuclei of intermediate mass number 30<A<170 the binding energy per nucleon is almost constant.(II) For light and heavy nuclei...
Asked on 11/25/2020 by ZMeson
0 answerIn this question, the top answer gave a seemingly good description of the particle interaction, but what exactly the interaction is seemed to be left unstated. I've only the...
Asked on 11/25/2020 by Carlos Arturo Serrano
1 answerGet help from others!
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