Field induced Lifshitz transition in UPtSi: Fermi surface under extreme conditions
arXiv:1610.01212 · doi:10.1103/PhysRevB.95.134422
Abstract
We have measured Hall effect, magnetotransport and magnetostriction on the field induced phases of single crystalline UPtSi in magnetic fields up to 60\,T at temperatures down to 50\,mK. For the magnetic field applied along the axis we observe strong changes in the Hall effect at the phase boundaries. From a comparison to band structure calculations utilizing the concept of a dual nature of the uranium 5 electrons, we find evidence for field induced topological changes of the Fermi surface due to at least one Lifshitz transition. Furthermore, we find a unique history dependence of the magnetotransport and magnetostriction data, indicating that the Lifshitz type transition is of a discontinuous nature, as predicted for interacting electron systems.
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Cited by in corpus (9)
- Electronic in-plane symmetry breaking at field-tuned quantum criticality in CeRhIn5
- Resistivity in the Vicinity of a Van Hove Singularity: SrRuO Under Uniaxial Pressure
- Charge density wave with anomalous temperature dependence in UPt2Si2
- Hall anomaly, Quantum Oscillations and Possible Lifshitz Transitions in Kondo Insulator YbB: Evidence for Unconventional Charge Transport
- The dual nature of magnetism in a uranium heavy fermion system
- Magnetotransport as a probe of phase transformations in metallic antiferromagnets: the UIrSi case
- Magnetic and electronic phases of URhSi
- Negatively enhanced thermopower near a Van Hove singularity in electron-doped SrRuO
- Multiple localized-itinerant dualities in magnetism of 5f electron systems. The case of UPtSi