Mott transition in an exactly solvable KSSH model
Journal Article
·
· International Journal of Modern Physics B; (United States)
- Dipt. di Fisica, Politecnico di Torino, 10129 Torino (IT)
In this paper the solution of the K.S.S.H.-like model shown to be exactly solvable in any number of dimensions, for a particular choice of the coupling constant describing the hopping process amplitude, both for finite size and in the thermodynamic limit, is discussed in detail. The analysis of the zero-temperature phase space in d = 2 shows that the model exhibits a transition in the number of doubly occupied sites order parameter, which at half-filling coincides with the Mott transition found for the Hubbard model in the Guntzwiller approximation.
- OSTI ID:
- 5223787
- Journal Information:
- International Journal of Modern Physics B; (United States), Journal Name: International Journal of Modern Physics B; (United States) Vol. 5:6; ISSN 0217-9792; ISSN IJPBE
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
661100 -- Classical & Quantum Mechanics-- (1992-)
665000* -- Physics of Condensed Matter-- (1992-)
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
AMPLITUDES
COUPLING CONSTANTS
ELASTIC SCATTERING
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
HAMILTONIANS
MATHEMATICAL MODELS
MATHEMATICAL OPERATORS
MATHEMATICAL SPACE
MOTT SCATTERING
ORDER PARAMETERS
PARTICLE SIZE
PHASE SPACE
PHYSICAL PROPERTIES
QUANTUM OPERATORS
SCATTERING
SIZE
SOLIDS
SPACE
TEMPERATURE ZERO K
THERMODYNAMICS
TWO-DIMENSIONAL CALCULATIONS
665000* -- Physics of Condensed Matter-- (1992-)
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
AMPLITUDES
COUPLING CONSTANTS
ELASTIC SCATTERING
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
HAMILTONIANS
MATHEMATICAL MODELS
MATHEMATICAL OPERATORS
MATHEMATICAL SPACE
MOTT SCATTERING
ORDER PARAMETERS
PARTICLE SIZE
PHASE SPACE
PHYSICAL PROPERTIES
QUANTUM OPERATORS
SCATTERING
SIZE
SOLIDS
SPACE
TEMPERATURE ZERO K
THERMODYNAMICS
TWO-DIMENSIONAL CALCULATIONS