Effective (2+1)-dimensional gauge theory of spin and charge degrees of freedom with Chern-Simons coupling
Journal Article
·
· Physical Review Letters; (USA)
- Department of Theoretical Physics, 1 Keble Road, Oxford OX1 3NP, United Kingdom (GB)
An effective-gauge-field-theory model of a doped Mott insulator is generalized so as to be electromagnetically gauge invariant. It is proposed that three Chern-Simons terms enter, one involving the spin gauge field, another the electromagnetic field, and the third a coupling between them. A model-independent topological argument is given for the quantization of the coefficients of these Chern-Simons terms. Physical consequences are noted, including a possible relationship between the Hall fraction and the effective spin of the excitation quanta.
- OSTI ID:
- 7016506
- Journal Information:
- Physical Review Letters; (USA), Journal Name: Physical Review Letters; (USA) Vol. 63:24; ISSN PRLTA; ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
656100* -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ANGULAR MOMENTUM
COUPLING
DOPED MATERIALS
ELASTIC SCATTERING
ELECTRICAL EQUIPMENT
ELECTRICAL INSULATORS
ELECTROMAGNETIC FIELDS
ENERGY
EQUIPMENT
FIELD THEORIES
FREE ENERGY
GAUGE INVARIANCE
INVARIANCE PRINCIPLES
MAGNETS
MATERIALS
MOTT SCATTERING
PARTICLE PROPERTIES
PHYSICAL PROPERTIES
QUANTIZATION
SCATTERING
SPIN
THERMODYNAMIC PROPERTIES
THREE-DIMENSIONAL CALCULATIONS
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ANGULAR MOMENTUM
COUPLING
DOPED MATERIALS
ELASTIC SCATTERING
ELECTRICAL EQUIPMENT
ELECTRICAL INSULATORS
ELECTROMAGNETIC FIELDS
ENERGY
EQUIPMENT
FIELD THEORIES
FREE ENERGY
GAUGE INVARIANCE
INVARIANCE PRINCIPLES
MAGNETS
MATERIALS
MOTT SCATTERING
PARTICLE PROPERTIES
PHYSICAL PROPERTIES
QUANTIZATION
SCATTERING
SPIN
THERMODYNAMIC PROPERTIES
THREE-DIMENSIONAL CALCULATIONS