How does cooling a magnet allow it to quantum lock/levitate? I have seen it in videos but do not know how it works.
$\begingroup$
$\endgroup$
5
-
2$\begingroup$ This is also called flux pinning. $\endgroup$– ACuriousMind ♦Commented Apr 10, 2015 at 22:22
-
1$\begingroup$ Meissner effect $\endgroup$– user6760Commented Apr 11, 2015 at 3:54
-
1$\begingroup$ A superconductor upon reaching critical temperature usually (very low) will become a perfect diamagnet meaning they exclude all magnetic flux from the superconductor. Hence when you place a permanent magnet onto it surface, the magnetic field lines cannot penetrate the surface and have to lift it up so the lines can reach the other pole. $\endgroup$– user6760Commented Apr 11, 2015 at 6:01
-
$\begingroup$ Possible duplicates: physics.stackexchange.com/q/15855/2451 , physics.stackexchange.com/q/48421/2451 and links therein. $\endgroup$– Qmechanic ♦Commented Apr 11, 2015 at 13:13
-
$\begingroup$ Note: Not all of the flux lines are blocked from entering the superconductor. There are very few small flux lines called fluxons that flow through the superconductor. $\endgroup$– Scientist Smith YTCommented Jan 2, 2019 at 0:11
Add a comment
|