Ciro Santilli @cirosantilli  40

Subcase of antisymmetric multilinear map:

Skew-symmetric bilinear map that is also a bilinear form.

No, see: superconductor I-V curve.

Bibliography:

As of 2020, basically means "liquid nitrogen temperature", which is much cheaper than liquid helium.

The dream of course being room temperature and pressure superconductor.

Upside: superconducting above 92K, which is above the 77K of liquid nitrogen, and therefore much much cheaper to obtain and maintain than liquid helium.

Downside: it is brittle, so how do you make wires out of it? Still, can already be used in certain circuits, e.g. high temperature SQUID devices.

Discovered in 1988, the first high-temperature superconductor which did not contain a rare-earth element.

The opposite of quasiparticle, see notaby: quasiparticles vs elementary particles.

Neutron stars are cool. What weird objects!