Superconducting switch for large heat flow below 50 mK.
We describe both the method of fabrication and the performance of a zinc superconducting heat switch used to couple thermally the mixing chamber of a dilution refrigerator and a nuclear demagnetization refrigerator.
Krusius
M
M
Department of Physics, University of California-San Diego, La Jolla, CA 92093, USA.
Paulson
D N
DN
Wheatley
J C
JC