Refrigeration by adiabatic demagnetization of nuclear spins

S. Y. Shen; John B Ketterson; William P Halperin

doi:10.1007/BF00116237

Refrigeration by adiabatic demagnetization of nuclear spins

S. Y. Shen^*, John B Ketterson, William P Halperin

^*Corresponding author for this work

Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

A model is presented for a nuclear demagnetization cooling system in which the metallic refrigerant is distributed over a region where the magnetic field varies by a large amount. A method employing "quasi-steady-state" approximations is used to solve the problem in the framework of finite difference procedures. The predictions from the model are used to establish a number of design parameters in cryostats for studies of superfluid ³He and ultra-low-temperature metals physics.

Original language	English (US)
Pages (from-to)	193-222
Number of pages	30
Journal	Journal of Low Temperature Physics
Volume	31
Issue number	1-2
DOIs	https://doi.org/10.1007/BF00116237
State	Published - Apr 1 1978

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1007/BF00116237

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N2 - A model is presented for a nuclear demagnetization cooling system in which the metallic refrigerant is distributed over a region where the magnetic field varies by a large amount. A method employing "quasi-steady-state" approximations is used to solve the problem in the framework of finite difference procedures. The predictions from the model are used to establish a number of design parameters in cryostats for studies of superfluid 3He and ultra-low-temperature metals physics.

AB - A model is presented for a nuclear demagnetization cooling system in which the metallic refrigerant is distributed over a region where the magnetic field varies by a large amount. A method employing "quasi-steady-state" approximations is used to solve the problem in the framework of finite difference procedures. The predictions from the model are used to establish a number of design parameters in cryostats for studies of superfluid 3He and ultra-low-temperature metals physics.

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Refrigeration by adiabatic demagnetization of nuclear spins

Abstract

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