Photo-induced manipulation and relaxation dynamics of Weyl-semimetals
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27740%2F25%3A10257979" target="_blank" >RIV/61989100:27740/25:10257979 - isvavai.cz</a>
Result on the web
<a href="https://www.nature.com/articles/s41524-025-01708-0" target="_blank" >https://www.nature.com/articles/s41524-025-01708-0</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1038/s41524-025-01708-0" target="_blank" >10.1038/s41524-025-01708-0</a>
Alternative languages
Result language
angličtina
Original language name
Photo-induced manipulation and relaxation dynamics of Weyl-semimetals
Original language description
The use of ultrashort laser pulses to manipulate properties or investigate a materials response on femtosecond time-scales enables detailed tracking of charge, spin, and lattice degrees of freedom. When pushing the limits of experimental resolution, connection to theoretical modeling becomes increasingly important to infer causality relations. Weyl-semimetals are a particular class of materials of recent focus due to the topological protection of the Weyl-nodes, resulting in a number of fundamentally interesting phenomena. This work provides a first-principles framework based on time-dependent density-functional theory for tracking the distribution of Weyl-nodes in the Brillouin-zone following an excitation by a laser pulse. Investigating the prototype material TaAs, we show that residual shifts in the Weyl-Nodes’ position and energy distribution are induced by a photo-excitation within femto-seconds through band-structure renormalization. Further, we provide an analysis of the relaxation pathway of the photoexcited band-structure through lattice vibrations.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10302 - Condensed matter physics (including formerly solid state physics, supercond.)
Result continuities
Project
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Continuities
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Others
Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
npj Computational Materials
ISSN
2057-3960
e-ISSN
2057-3960
Volume of the periodical
11
Issue of the periodical within the volume
1
Country of publishing house
DE - GERMANY
Number of pages
10
Pages from-to
219
UT code for WoS article
001523972800002
EID of the result in the Scopus database
2-s2.0-105010176206