Bulletin of the American Physical Society
APS March Meeting 2020
Volume 65, Number 1
Monday–Friday, March 2–6, 2020; Denver, Colorado
Session W59: Weyl semimetal, Transport I
8:00 AM–10:48 AM,
Friday, March 6, 2020
Room: Mile High Ballroom 3C
Sponsoring
Unit:
DMP
Abstract: W59.00012 : Quantitative analysis of chiral anomaly induced negative magnetoresistance in nodal-line semimetal SrAs3
Presenter:
Minhao Zhao
(Fudan Univ)
Authors:
Minhao Zhao
(Fudan Univ)
Faxian Xiu
(Fudan Univ)
[1]. The v is fermi velocity; μ is chemistry potential and τ is scattering time. The τ depends on the magnetic field and temperature. When the magnetic is higher than the quantum limit, the , the NMR will saturate.
Among the predicted nodal-line semimetals[2], SrAs3 has high mobility and low fermi energy, which makes this material an ideal platform to research the behavior of NMR with magnetic field and temperature. Under 31.5 T, we observed the process from NMR appeared to saturated. And analyzed the behavior of NMR quantitatively. Combined with the result from PPMS, we also got the temperature dependence of τ.
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