Magnetization and Spin-Diffusion of Liquid 3He in Aerogel

Abstract

We report theoretical calculations of the normal-state spin diffusion coefficient of 3He in aerogel, including both elastic and inelastic scattering of 3He quasiparticles, and compare these results with experimental data for 3He in 98% porous silica aerogel. This analysis provides a determination of the elastic mean free path within the aerogel. Measurements of the magnetization of the superfluid phase provide a test of the theory of pairbreaking and magnetic response of low-energy excitations in the ``dirty'' B-phase of 3He in aerogel. A consistent interpretation of the data for the spin-diffusion coefficient, magnetization and superfluid transition temperature is obtained by including correlation effects in the aerogel density.

7 pages with 9 figures

References in corpus (7)

• Models for Superfluid ${}^3$He in Aerogel
• Sound Propagation and Transport Properties of Liquid ${}^3$He in Aerogel
• Magnetic Susceptibility of the Balian-Werthamer Phase of 3He in Aerogel
• Phase Diagram of the Superfluid Phases of 3He in 98% Aerogel
• Impurity Effects on the A_1-A_2 Splitting of Superfluid 3He in Aerogel
• Universal Behaviour of the Superfluid Fraction and Tc of He-3 in 99.5% Open Aerogel
• Spin susceptibility of the superfluid ${}^3$He-B in aerogel

Cited by in corpus (25)

• Impurity Effects of Aerogel in Superfluid ${}^3$He
• Observation of Coherent Precession of Magnetization in Superfluid 3He A-phase
• Influence of Magnetic Scattering on Superfluidity of 3He in Nematic Aerogel
• Chiral Phases of Superfluid 3He in an Anisotropic Medium
• Spin diffusion in liquid 3He confined in nafen
• 'Fast Exchange' model visualized with 3He confined in aerogel: a Fermi liquid in contact with a Ferromagnetic solid
• Superfluid 3He in Aerogel
• Effect of correlated disorder on the temperature of unconventional Cooper pairing (3He in aerogel)
• The Effect of Magnetic Impurities on Superfluid ${}^3$He in Aerogel
• New Phases of Superfluid ${}^3$He Confined in Aerogels
• Effect of Magnetic Scattering on Superfluid Transition of 3He in Nematic Aerogel
• Ultrasound attenuation of superfluid ${}^3$He in aerogel
• Spin-Nernst Effect in Time-Reversal-Invariant Topological Superconductors
• Thermodynamic Potential for Superfluid 3He in Aerogel
• Magnonics and Supermagnonics
• Superfluid ${}^3$He in Planar Aerogel
• Anomalous Thermal Hall Effect in Chiral Phases of ${}^3$He-Aerogel
• Knudsen-to-Hydrodynamic Crossover in Liquid 3He in a High-Porosity Aerogel
• Theory of Heat Transport of Normal Liquid 3He in Aerogel
• Dissipation signatures of the normal and superfluid phases in torsion pendulum experiments with 3He in aerogel
• Spin diffusion in liquid ${}^3$He confined in planar aerogel
• NMR shifts in ${}^3$He in aerogel induced by demagnetizing fields
• Coherent reaction of Fermi superfluid on correlated disorder
• The Heat Capacity of ${}^3$He-B in Silica Aerogel
• Effect of critical fluctuations on the spin transport in liquid He-3