Re: #63 Superconductivity is merely Capacitor Current versus Photon Messenger Current ; How many different currents are there in Maxwell Equations?; new textbook: "How Superconductivity really works; nanosecond Capacitor discharge current"

Group: sci.physics.electromag
From: "Szczepan Bialek"
Date: Wednesday, February 13, 2008 2:13 PM
Subject: Re: #63 Superconductivity is merely Capacitor Current versus Photon Messenger Current ; How many different currents are there in Maxwell Equations?; new textbook: "How Superconductivity really works; nanosecond Capacitor discharge current"

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"a_plutonium" wrote
news:e8307014-0707-48b2-8498-7db91903e8ab@e6g2000prf.googlegroups.com...
>
> But, in the course of doing the
> Maxwell Equations, we end up with
> a altogether new and different current called the Displacement
> Current.

Maxwell Equations are for incompressible electric fluid (hydraulic analogy).
I prefer the gas analogy (no the displacement current).
>
> If you are a physicist, have you ever wondered why superconductivity
> is only with DC current, never AC?

In a textbook is that there no resistance up to 10^8 Hz. Are you sure.
>
> So the theory and understanding of Superconductivity, is not this
> phony baloney of electron pairing and the
> call for some stupid exotic quantum phenomenon. The understanding of
> Superconductivity is all about understanding
> that there are many different types of currents.

I have read that it my be impurities dependent
S*