Pseudogap-driven sign reversal of the Hall effect
Publikation: Beitrag in Fachzeitschrift › Forschungsartikel › Beigetragen › Begutachtung
Beitragende
Abstract
We present a calculation of the Hall coefficient in 2H -TaSe(2) and 2H-Cu(0.2)NbS(2) based on their electronic structure extracted from angle-resolved photoemission spectra. The well-known semiclassical approach, based on the solution of the Boltzmann equation, yields the correct value for the normal-state Hall coefficient. Entering the charge density wave state results in the opening of the pseudogap and redistribution of the spectral weight. Accounting for this allows us to reproduce the temperature dependence of the Hall coefficient, including the prominent sign change, with no adjustable parameters.
Details
Originalsprache | Englisch |
---|---|
Aufsatznummer | 236402 |
Seitenumfang | 4 |
Fachzeitschrift | Physical review letters |
Jahrgang | 100 |
Ausgabenummer | 23 |
Publikationsstatus | Veröffentlicht - 13 Juni 2008 |
Peer-Review-Status | Ja |
Extern publiziert | Ja |
Externe IDs
Scopus | 45249106798 |
---|
Schlagworte
Schlagwörter
- T-C SUPERCONDUCTORS, FERMI-SURFACE, 2H-TASE2, METALS, TRANSITIONS, COEFFICIENT, SCATTERING, 2H-NBSE2, STATE