https://arxiv.org/abs/2105.02364
Condensed Matter ~~---- Superconductivity [Submitted on 5 May 2021] Berry connection from many-body wave functions and superconductivity: Calculations by the particle number conserving Bogoliubov-de Gennes equations
Hiroyasu Koizumi, Alto Ishikawa A fundamentally revised version of superconductivity theory has been put forward by the present authors since the standard theory of superconductivity based on the BCS theory cannot explain superconductivity in cuprates discovered in 1986, and reexaminations on several experimental results on the conventional superconductors indicate the necessity for a fundamental revision.
The revision is made on the origin of the superconducting phase variable, which is attributed to a Berry connection arising from many-body wave functions. With this revision, the theory can be cast into a particle number conserving formalism. We have developed a method to calculate superconducting states with the Berry connection using the particle number conserving version of the Bogoliubov-de Gennes equations. An example calculation is made for a model originally built for cuprate superconductors.
Subjects: Superconductivity (cond-mat.supr-con) Cite as: arXiv:2105.02364 [cond-mat.supr-con] (or arXiv:2105.02364v1 [cond-mat.supr-con] for this version) Submission history From: Hiroyasu Koizumi [view email] [v1] Wed, 5 May 2021 23:07:49 UTC (6,229 KB) Download: PDF PostScript Other formats
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Very cool. But if valid can it be engineered to happen on the scale necessary to transmit industrial quanities of electricity?
“as long as thermal excitations are kept small enough”
The colder it gets,
the slower the little pieces get,
the easier it is for the electricity to catch on to the next little piece,
make a “connection”,
and pass on through.
Ok, got it.
I don’t see “high temperature” specified. 100 degrees Fahrenheit? 4,000 degrees?
L
University of Tsukuba?
Who would even think that people in Tsukuba could even read!
ML/NJ
Now if we could just figure out quantum conductivity...the electrons would just magically end up being where they’re supposed to be.
Damn...Why didn't I think of that?
Just where do these clowns get off?