Comparison of spin-glass dynamics determined by the muon-spin-relaxation and neutron spin-echo techniques
Journal Article
·
· Phys. Rev. B: Condens. Matter; (United States)
Impurity-spin-correlation functions obtained from muon-spin-relaxation and neutron spin-echo experiments are found to agree quantitatively above and below the ''glass'' temperature T/sub g/. The agreement confirms the power-law decay of correlations in time near and below T/sub g/. Features of the experimental results which depend on (quasi)static impurity-spin correlations suggest that the spatial distribution of thermally averaged impurity-spin magnitudes is quite uniform below T/sub g/. The stochastic behavior of dipolar fields at muon sites is essentially the same as that of the impurity spins themselves at all temperatures.
- Research Organization:
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545
- OSTI ID:
- 6684872
- Journal Information:
- Phys. Rev. B: Condens. Matter; (United States), Journal Name: Phys. Rev. B: Condens. Matter; (United States) Vol. 29:11; ISSN PRBMD
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360104* -- Metals & Alloys-- Physical Properties
ALLOYS
BARYONS
CORRELATION FUNCTIONS
DATA
DYNAMICS
ELEMENTARY PARTICLES
EXPERIMENTAL DATA
FERMIONS
FLUCTUATIONS
FUNCTIONS
HADRONS
IMPURITIES
INFORMATION
LEPTONS
MAGNETIC MATERIALS
MATERIALS
MECHANICS
MUONS
NEUTRONS
NUCLEONS
NUMERICAL DATA
RELAXATION
SPECTRAL DENSITY
SPECTRAL FUNCTIONS
SPIN ECHO
SPIN GLASS STATE
SPIN-LATTICE RELAXATION
ULTRALOW TEMPERATURE
VARIATIONS
VERY LOW TEMPERATURE
360104* -- Metals & Alloys-- Physical Properties
ALLOYS
BARYONS
CORRELATION FUNCTIONS
DATA
DYNAMICS
ELEMENTARY PARTICLES
EXPERIMENTAL DATA
FERMIONS
FLUCTUATIONS
FUNCTIONS
HADRONS
IMPURITIES
INFORMATION
LEPTONS
MAGNETIC MATERIALS
MATERIALS
MECHANICS
MUONS
NEUTRONS
NUCLEONS
NUMERICAL DATA
RELAXATION
SPECTRAL DENSITY
SPECTRAL FUNCTIONS
SPIN ECHO
SPIN GLASS STATE
SPIN-LATTICE RELAXATION
ULTRALOW TEMPERATURE
VARIATIONS
VERY LOW TEMPERATURE