Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/151131
Title: Quenching of the relaxation pathway in the Weyl semimetal TaAs
Authors: Liu, Jiayun
Cheng, Liang
Zhao, Daming
Chen, Xiaoxuan
Sun, Handong
Li, Zhilin
Wang, Xinbo
Zhu, Jian-Xin
Chia, Elbert E. M.
Keywords: Science::Physics
Issue Date: 2020
Source: Liu, J., Cheng, L., Zhao, D., Chen, X., Sun, H., Li, Z., Wang, X., Zhu, J. & Chia, E. E. M. (2020). Quenching of the relaxation pathway in the Weyl semimetal TaAs. Physical Review B, 102(6), 064307-1-064307-7. https://dx.doi.org/10.1103/PhysRevB.102.064307
Project: MOE2018-T1-1-097
RG95/19 (S)
MOE2018-T3-1-002
152 70 00016
Journal: Physical Review B 
Abstract: Since tantalum arsenide (TaAs) has been experimentally verified as a Weyl semimetal, intensive research has been devoted to study of the unique properties of the material. Despite this, the ultrafast dynamics of TaAs is still not very well understood. In this work, we study the relaxation dynamics in TaAs using transient reflection spectroscopy. From the transient reflection measurement, we observe either a single (fast) or a dual (fast and slow) relaxation, depending on the probing wavelength. The additional relaxation channel is attributed to an asymmetric population of photoexcited electrons and holes.
URI: https://hdl.handle.net/10356/151131
ISSN: 2469-9969
DOI: 10.1103/PhysRevB.102.064307
DOI (Related Dataset): 10.21979/N9/6M302R
Schools: School of Physical and Mathematical Sciences 
Organisations: Chinese Academy of Sciences
Los Alamos National Laboratory
Rights: © 2020 American Physical Society (APS). All rights reserved. This paper was published in Physical Review B and is made available with permission of American Physical Society (APS).
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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