The Improved Electromagnetic Equations and Superconductivity


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In this paper the macroscopic condition for dissipationless current in conductors is investigated and a set of improved electromagnetic equations are proposed. With these equations we show that the dissipation is particularly relative to free volume charges in conductors that originate from self-Hall-effect. The steadily normal current coexists with free volume charges and the steadily superconducting current doesnt. Zero Hall coefficient is a candidate condition for nonexistence of free volume charges in conductors and a possible mechanism is exciton conduction or electron-hole pairing.

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