The Hall conductivity in unconventional charge density wave systems
arXiv:cond-mat/0405194 · doi:10.1103/PhysRevB.70.212511
Abstract
Charge density waves with unconventional order parameters, for instance, with d-wave symmetry (DDW), may be relevant in the underdoped regime of high-T_c cuprates or other quasi-one or two dimensional metals. A DDW state is characterized by two branches of low-lying electronic excitations. The resulting quantum mechanical current has an inter-branch component which leads to an additional mass term in the expression for the Hall conductivity. This extra mass term is parametrically enhanced near the ``hot spots'' of fermionic dispersion and is non-neglegible as is shown by numerical calculations of the Hall number in the DDW state.
4 pages, 4 figures
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Cited by in corpus (7)
- Ward identity and optical-conductivity sum rule in the d-density wave state
- Optical-conductivity sum rule in cuprates and unconventional charge density waves: a short review
- Optical Sum Rule in Finite Bands
- Manifestation of pseudogap in ab-plane optical characteristics
- Optical conductivity of unconventional charge density wave systems: Role of vertex corrections
- Centipede ladder at quarter filling
- Optical conductivity and the sum rule in the DDW state