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I'm not a native speaker, and this question is about "how to say it in English".Consider a 2D electronic waveguide. Wavefunction $psi(x,y)$ can be written in form of...
Asked on 02/22/2021
0 answerMy question is quite fundamental - I've read plenty of texts that report a critical magnetic field for AFM materials. If I'm right, these materials have spins pointing in opposite...
Asked on 02/22/2021 by livars98
1 answerThe normal to the superfluid transition of liquid helium breaks is a U(1) global symmetry. Since it is a continuous, global symmetry (unlike superconductivity which is a gauge theory), I...
Asked on 02/22/2021
1 answerI have a sub-woofer magnet that's too weak for what I need. Probably because of it design, it came from a very cheap speaker and it has a way too...
Asked on 02/22/2021 by user2934303
0 answerIn the standard canonical quantization procedure there are two rules.Transform all quantities to operators.Transform the Poisson bracket to a commutator.Of course it will be nicer to minimize the number of...
Asked on 02/22/2021
1 answerConsider RG transformation in the vicinity of a fixed point:$$K_n^prime=K_n^* + delta K_{n}^prime = K_n^* + sum_m frac{partial K^prime_n}{partial K_m} delta K_m + O(delta K^2)$$where...
Asked on 02/22/2021
1 answerWhat is the propagating and the non-propagating parts of a EM wave ?(see answer of my2cts in Oscillation coil: where is the electric field?)...
Asked on 02/22/2021
0 answerI am trying to get out of this problem, which I know to be basically obvious, but I guess I need a bit of help in: knowing if I am...
Asked on 02/22/2021 by SelfTeachingMaths
0 answerI'm following a proof of Thomson's theorem but I'm a bit confused when they use a lagrange multiplier to include the charge conservation constraint, could someone explain...
Asked on 02/22/2021 by Juan Pablo Arcila
1 answerI got interested in why, at the same temperature, water feels cooler than air. After a google search, I saw that this question got answered here: Why does water...
Asked on 02/22/2021 by J doeoeo
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