Fermi-liquid line shapes measured by angle-resolved photoemission spectroscopy on 1- T -TiTe sub 2
Journal Article
·
· Physical Review Letters; (United States)
- Randall Laboratory, University of Michigan, Ann Arbor, Michigan 48109-1120 (United States)
- Ames Laboratory and Iowa State University, Ames, Iowa 50011 (United States)
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545 (United States)
- Institut fuer Experimentalphysik, Universitaet Kiel, W-2300 Kiel 1 (Germany)
We have performed high-resolution angle-resolved photoemission spectroscopy (ARPES) on the layered compound 1-{ital T}-TiTe{sub 2}, whose low-energy properties are those of a normal metal, and analyzed the experimental line shapes in terms of the Fermi-liquid self-energy. We find excellent agreement between the measured and theoretical spectral weight distribution, while line profiles expected for other theoretical models such as the marginal Fermi liquid clearly fail to reproduce the experimental spectra. This demonstrates that ARPES line shapes are able to reflect the nature of an interacting electron system.
- DOE Contract Number:
- FG02-90ER45416
- OSTI ID:
- 7165476
- Journal Information:
- Physical Review Letters; (United States), Journal Name: Physical Review Letters; (United States) Vol. 69:5; ISSN PRLTA; ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360104* -- Metals & Alloys-- Physical Properties
665100 -- Nuclear Techniques in Condensed Matter Physics -- (1992-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ANGULAR DISTRIBUTION
CHALCOGENIDES
DISTRIBUTION
DISTRIBUTION FUNCTIONS
ELECTRIC CONDUCTORS
ELECTRON SPECTROSCOPY
ELECTRON-ELECTRON INTERACTIONS
ELECTRONIC STRUCTURE
ELEMENTS
ENERGY LEVELS
ENERGY SPECTRA
FERMI GAS
FLUIDS
FUNCTIONS
GASES
GROUND STATES
INTERACTIONS
LEPTON-LEPTON INTERACTIONS
METALS
PARTICLE INTERACTIONS
PHOTOELECTRON SPECTROSCOPY
SPECTRA
SPECTRAL FUNCTIONS
SPECTROSCOPY
TELLURIDES
TELLURIUM COMPOUNDS
TITANIUM COMPOUNDS
TITANIUM TELLURIDES
TRANSITION ELEMENT COMPOUNDS
360104* -- Metals & Alloys-- Physical Properties
665100 -- Nuclear Techniques in Condensed Matter Physics -- (1992-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ANGULAR DISTRIBUTION
CHALCOGENIDES
DISTRIBUTION
DISTRIBUTION FUNCTIONS
ELECTRIC CONDUCTORS
ELECTRON SPECTROSCOPY
ELECTRON-ELECTRON INTERACTIONS
ELECTRONIC STRUCTURE
ELEMENTS
ENERGY LEVELS
ENERGY SPECTRA
FERMI GAS
FLUIDS
FUNCTIONS
GASES
GROUND STATES
INTERACTIONS
LEPTON-LEPTON INTERACTIONS
METALS
PARTICLE INTERACTIONS
PHOTOELECTRON SPECTROSCOPY
SPECTRA
SPECTRAL FUNCTIONS
SPECTROSCOPY
TELLURIDES
TELLURIUM COMPOUNDS
TITANIUM COMPOUNDS
TITANIUM TELLURIDES
TRANSITION ELEMENT COMPOUNDS