English
 
Help Privacy Policy Disclaimer
  Advanced SearchBrowse

Item

ITEM ACTIONSEXPORT
  Helicity-dependent photocurrents in the chiral Weyl semimetal RhSi

Rees, D., Manna, K., Lu, B., Morimoto, T., Borrmann, H., Felser, C., et al. (2020). Helicity-dependent photocurrents in the chiral Weyl semimetal RhSi. Science Advances, 6(29): eaba0509, pp. 1-7. doi:10.1126/sciadv.aba0509.

Item is

Basic

show hide
Genre: Journal Article

Files

show Files

Locators

show

Creators

show
hide
 Creators:
Rees, Dylan1, Author
Manna, Kaustuv2, Author              
Lu, Baozhu1, Author
Morimoto, Takahiro1, Author
Borrmann, Horst3, Author              
Felser, Claudia4, Author              
Moore, J. E.1, Author
Torchinsky, Darius H.1, Author
Orenstein, J.1, Author
Affiliations:
1External Organizations, ou_persistent22              
2Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425              
3Horst Borrmann, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863410              
4Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863429              

Content

show
hide
Free keywords: -
 Abstract: Weyl semimetals are crystals in which electron bands cross at isolated points in momentum space. Associated with each crossing point (or Weyl node) is a topological invariant known as the Berry monopole charge. The circular photogalvanic effect (CPGE), whereby circular polarized light generates a helicity-dependent photocurrent, is a notable example of a macroscopic property that emerges directly from the topology of the Weyl semimetal band structure. Recently, it was predicted that the amplitude of the CPGE associated with optical transitions near a Weyl node is proportional to its monopole charge. In chiral Weyl systems, nodes of opposite charge are non-degenerate, opening a window of wavelengths where the CPGE resulting from uncompensated Berry charge can emerge. Here, we report measurements of CPGE in the chiral Weyl semimetal RhSi, revealing a CPGE response in an energy window that closes at 0.65 eV, in agreement with the predictions of density functional theory.

Details

show
hide
Language(s): eng - English
 Dates: 2020-07-152020-07-15
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: ISI: 000552227800008
DOI: 10.1126/sciadv.aba0509
 Degree: -

Event

show

Legal Case

show

Project information

show

Source 1

show
hide
Title: Science Advances
  Other : Sci. Adv.
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: Washington : AAAS
Pages: - Volume / Issue: 6 (29) Sequence Number: eaba0509 Start / End Page: 1 - 7 Identifier: ISSN: 2375-2548
CoNE: https://pure.mpg.de/cone/journals/resource/2375-2548