The extended Peierls-Hubbard model: Off-diagonal model
Conference
·
OSTI ID:6995687
We investigated the effects of including ''off-diagonal'' terms/endash/nearest-neighbor bond-bond repulsion (W) and bond-site repulsion (X)/endash/in the extended Peierls-Hubbard model. As a specific illustration we study the ground state dimerization in one-dimensional, half-filled-band models that have been widely applied to conjugated polymers such as /ital trans/-polyacetylene and related charge density wave systems. 17 refs., 5 figs.
- Research Organization:
- Los Alamos National Lab., NM (USA)
- DOE Contract Number:
- W-7405-ENG-36
- OSTI ID:
- 6995687
- Report Number(s):
- LA-UR-88-2613; CONF-880669-15; ON: DE88016338
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201 -- Chemical & Physicochemical Properties
656002* -- Condensed Matter Physics-- General Techniques in Condensed Matter-- (1987-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
CHEMICAL BONDS
CHEMICAL REACTIONS
DIAGRAMS
DIMERIZATION
HAMILTONIANS
MATHEMATICAL MODELS
MATHEMATICAL OPERATORS
MATRIX ELEMENTS
PHASE DIAGRAMS
POLYMERIZATION
POLYMERS
QUANTUM OPERATORS
400201 -- Chemical & Physicochemical Properties
656002* -- Condensed Matter Physics-- General Techniques in Condensed Matter-- (1987-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
CHEMICAL BONDS
CHEMICAL REACTIONS
DIAGRAMS
DIMERIZATION
HAMILTONIANS
MATHEMATICAL MODELS
MATHEMATICAL OPERATORS
MATRIX ELEMENTS
PHASE DIAGRAMS
POLYMERIZATION
POLYMERS
QUANTUM OPERATORS