Vector optical activity in the Weyl semimetal TaAs
Abstract
Here, it is shown that the Weyl semimetal TaAs can have a significant polar vector contribution to its optical activity. This is quantified by ab initio calculations of the resonant x-ray diffraction at the Ta L1 edge. For the Bragg vector (400), this polar vector contribution to the circular intensity differential between left and right polarized x-rays is predicted to be comparable to that arising from linear dichroism. Implications this result has in regards to optical effects predicted for topological Weyl semimetals are discussed.
- Authors:
-
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Publication Date:
- Research Org.:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); Materials Sciences and Engineering Division
- OSTI Identifier:
- 1352821
- Alternate Identifier(s):
- OSTI ID: 1234006
- Grant/Contract Number:
- AC02-06CH11357
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review. B, Condensed Matter and Materials Physics
- Additional Journal Information:
- Journal Volume: 92; Journal Issue: 24; Journal ID: ISSN 1098-0121
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE
Citation Formats
Norman, M. R. Vector optical activity in the Weyl semimetal TaAs. United States: N. p., 2015.
Web. doi:10.1103/PhysRevB.92.241116.
Norman, M. R. Vector optical activity in the Weyl semimetal TaAs. United States. https://doi.org/10.1103/PhysRevB.92.241116
Norman, M. R. Tue .
"Vector optical activity in the Weyl semimetal TaAs". United States. https://doi.org/10.1103/PhysRevB.92.241116. https://www.osti.gov/servlets/purl/1352821.
@article{osti_1352821,
title = {Vector optical activity in the Weyl semimetal TaAs},
author = {Norman, M. R.},
abstractNote = {Here, it is shown that the Weyl semimetal TaAs can have a significant polar vector contribution to its optical activity. This is quantified by ab initio calculations of the resonant x-ray diffraction at the Ta L1 edge. For the Bragg vector (400), this polar vector contribution to the circular intensity differential between left and right polarized x-rays is predicted to be comparable to that arising from linear dichroism. Implications this result has in regards to optical effects predicted for topological Weyl semimetals are discussed.},
doi = {10.1103/PhysRevB.92.241116},
journal = {Physical Review. B, Condensed Matter and Materials Physics},
number = 24,
volume = 92,
place = {United States},
year = {Tue Dec 15 00:00:00 EST 2015},
month = {Tue Dec 15 00:00:00 EST 2015}
}
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Works referencing / citing this record:
Experimental progress on layered topological semimetals
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