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Old 09-14-2012, 04:26 PM   #1425
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Originally Posted by cowmoo32 View Post
It looks like they're inferring superconductivity via the magnetic moment. I don't know a whole lot about superconductivity but the article did mention a change in the magnetic moment being linked to superconductivity.
Magnetic moment having anything to do with superconductivity is called spin-fluctuation theory (still under debate, but majority thinks it has importance), which says the superconducting behavior is mediated by antiferromagnetic fluctuations. This is different than conventional superconductivity, where superconducting behavior is mediated by crystal excitations called phonons (solved in the 50s).

It is well known that high-Tc superconductors fall into the first category, which is what these guys are apparently saying.

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