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The 3He Cryostat
The Dilution Refrigerator
8 other sections not shown
3He atoms 3He pot adiabatic demagnetization Anderson apparatus calculated calibration cell coil conduction electrons constant copper copper wires cryostat crystal diam dilute phase dilution refrigerator discussed employed energy entropy Epibond equilibrium experimental experiments external heat leak flux frequency function Gylling heat capacity heat exchangers heat switch hyperfine illustrated in Fig increased indium interactions Josephson junction Kapitza resistance liquid 3He Lounasmaa low temperatures magnetic field magnetic thermometer measurements melting curve metals millikelvin mixing chamber niobium NMR thermometer noise nuclear demagnetization nuclear refrigeration nuclear spin nuclear stage nuclei observed obtained oscillator paramagnetic paramagnetic salt phonons polarization Pomeranchuk cooling precooling stage proportional PUMPING TUBE quantum resonance rf level Section shielding shown in Fig signal soldered solid 3He specimen spin-lattice relaxation SQUID step exchanger superconducting superconducting ring superfluid Symko thermal conductivity thermal isolation thermometry vacuum vapor pressure voltage weak link Wheatley zero