Bulletin of the American Physical Society
2023 APS March Meeting
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session F43: Dirac and Weyl Semimetal: 3D to 2D and New Frontiers
8:00 AM–11:00 AM,
Tuesday, March 7, 2023
Room: Room 317
Sponsoring
Unit:
DMP
Chair: Yujin Cho, Lawrence Livermore National Laboratory
Abstract: F43.00004 : Quantum Hall and magneto-Seebeck effects in three-dimensional Dirac and Weyl semimetals
9:00 AM–9:12 AM
Presenter:
Fenda R Pratama
(AIST)
Author:
Fenda R Pratama
(AIST)
In our talk, we discuss the magneto-Seebeck effect in 3D DWS. We found that by keeping the chemical potential constant, both ρyx and αxy exhibit plateaus at the QL. We analytically show that the Hall plateau is given by ρyx∝λFz (λFz is the Fermi wavelength parallel to B), as has been recently observed in ZrTe5 as a hallmark of 3D QHE. In this condition, the massless fermions are transformed into a Fermi liquid (FL) system. Particularly, we found that the Sxx of the FL phase is expressed by the harmonic sum of the Fermi and thermal de Broglie wavelengths, scaled by the magnetic length.
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