Vector optical activity in the Weyl semimetal TaAs
Journal Article
·
· Physical Review. B, Condensed Matter and Materials Physics
- Argonne National Lab. (ANL), Argonne, IL (United States)
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.
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); Materials Sciences and Engineering Division
- Grant/Contract Number:
- AC02-06CH11357
- OSTI ID:
- 1352821
- Alternate ID(s):
- OSTI ID: 1234006
- Journal Information:
- Physical Review. B, Condensed Matter and Materials Physics, Vol. 92, Issue 24; ISSN 1098-0121
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 2 works
Citation information provided by
Web of Science
Web of Science
Experimental progress on layered topological semimetals
|
journal | April 2019 |
Experimental Progress on Layered Topological Semimetals | text | January 2019 |
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