Ultra Low Cooling Methods: HE3 vs Nuclear Diamagnetisation

[pleasehelpmeno]

Hi
Can anyone surmise the advantages and disadvantages of ultra low below 1K cooling methods:
cryostat cooling (HE3) as compared to Nuclear diamagnetisation

 

[sankalpmittal]

Hi
Can anyone surmise the advantages and disadvantages of ultra low below 1K cooling methods:
cryostat cooling (HE3) as compared to Nuclear diamagnetisation

http://phys.org/news/2013-03-mpact-subtle-electron-crystal-atomic.html
http://phys.org/news/2013-01-superconductors-efficient-power-cooling.html