Inversion and magnetic quantum oscillations in symmetric periodic Anderson model
arXiv:1809.04654 · doi:10.1103/PhysRevB.99.235130
Abstract
We study the symmetric periodic Anderson model of the conduction electrons hybridized with the localized correlated electrons on square lattice. Using the canonical representation of electrons by Kumar, we do a self-consistent theory of its effective charge and spin dynamics, which produces an insulating ground state that undergoes continuous transition from the Kondo singlet to Néel antiferromagnetic phase with decreasing hybridization, and uncovers two inversion transitions for the charge quasiparticles. With suitably inverted quasiparticle bands for moderate to weaker effective Kondo couplings, this effective charge dynamics in the magnetic field coupled to electronic motion produces magnetic quantum oscillations with frequency corresponding to the half Brillouin zone.
arXiv comment12 pages, 10 figures, accepted in PRB
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- Transmigration of Edge States with Interaction in Su-Schrieffer-Heeger Chain
- Theoretical investigation of quantum oscillations of specific heat in Kondo insulators
- Evolution of the Andreev bands in the half-filled superconducting periodic Anderson model