Meissner effect in sphere considers a sphere of a type 1 super conductor with critical field H
Question:
Meissner effect in sphere considers a sphere of a type 1 super conductor with critical field Hc.
(a) Show that in the Meissner regime the effective magnetization M within the sphere is given by –8πM/3 = Ba, the uniform applied magnetic field.
(b) Show that the magnetic field at the surface of the sphere in the equatorial plane is 3Bn/2. (It follows that the applied field at which the Meissner affect starts to break down is 2Hc/3.) Reminder: The demagnetization field of a uniformly magnetized sphere is – 4πM/3.
Step by Step Answer:
a For a sphere Hinside B 4TM3 for the Meissner effect Hinside ...View the full answer
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