Spin waves and spin diffusion in Fermi liquids: Bounds on effective diffusion coefficients

Journal Article · Tue Apr 01 04:00:00 EST 1986 · Phys. Rev. B: Condens. Matter; (United States)

DOI:https://doi.org/10.1103/PhysRevB.33.4543· OSTI ID:5933602

Bedell, K S; Meltzer, D E

We investigate the accuracy of the usual relaxation-time approximations, involving the spin-diffusion lifetime tau/sub D/, which are generally made in analyses of spin waves and the Leggett-Rice effect in Fermi liquids. By employing the variational methods of Ah-Sam, Hojgaard-Jensen, and Smith and of Egilsson and Pethick, we are able to determine upper and lower bounds on the effective diffusion coefficient resulting from spin-wave phenomena which are accurate in the whole Fermi-liquid regime (T<

• Research Organization: Department of Physics, State University of New York at Stony Brook, Stony Brook, New York 11794
• DOE Contract Number: AC02-76ER13001
• OSTI ID: 5933602
• Journal Information: Phys. Rev. B: Condens. Matter; (United States), Journal Name: Phys. Rev. B: Condens. Matter; (United States) Vol. 33:7; ISSN PRBMD
• Country of Publication: United States
• Language: English

Related Subjects

640460* -- Fluid Physics-- Other Quantum Fluids
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
BINARY MIXTURES
DIFFUSION LENGTH
DIMENSIONS
DISPERSIONS
EVEN-EVEN NUCLEI
EVEN-ODD NUCLEI
FERMI GAS
FLUIDS
GASES
HELIUM 3
HELIUM 4
HELIUM ISOTOPES
ISOTOPES
LENGTH
LIGHT NUCLEI
LIMITING VALUES
MIXTURES
NUCLEI
RELAXATION TIME
SPIN WAVES
STABLE ISOTOPES
WAVE PROPAGATION