# Anisotropic electrodynamics of type-II Weyl semimetal candidate WTe2

## Author(s): Frenzel, Alex J.; Homes, Christopher C.; Gibson, Quinn D.; Shao, Yinming; Post, Kirk W.; et al

To refer to this page use: http://arks.princeton.edu/ark:/88435/pr15525
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dc.contributor.authorFrenzel, Alex J.-
dc.contributor.authorHomes, Christopher C.-
dc.contributor.authorGibson, Quinn D.-
dc.contributor.authorShao, Yinming-
dc.contributor.authorPost, Kirk W.-
dc.contributor.authorCharnukha, Aliaksei-
dc.contributor.authorCava, Robert Joseph-
dc.contributor.authorBasov, Dimitri N.-
dc.date.accessioned2020-10-30T19:10:27Z-
dc.date.available2020-10-30T19:10:27Z-
dc.date.issued2017-06-30en_US
dc.identifier.citationFrenzel, A.J., Homes, C.C., Gibson, Q.D., Shao, Y., Post, K.W., Charnukha, A., Cava, R.J., Basov, D.N. (2017). Anisotropic electrodynamics of type-II Weyl semimetal candidate WTe2. Physical Review B, 95 (24), 10.1103/PhysRevB.95.245140en_US
dc.identifier.issn2469-9950-
dc.identifier.urihttp://arks.princeton.edu/ark:/88435/pr15525-
dc.descriptionVolume 95, Issue 24, 30 June 2017, Article number 245140 .en_US
dc.description.abstract© 2017 American Physical Society. We investigated the ab-plane optical properties of single crystals of WTe2 for light polarized parallel and perpendicular to the W-chain axis over a broad range of frequency and temperature. At far-infrared frequencies, we observed a striking dependence of the reflectance edge on light polarization, corresponding to anisotropy of the carrier effective masses. We quantitatively studied the temperature dependence of the plasma frequency, revealing a modest increase of the effective mass anisotropy in the ab plane upon cooling. We also found strongly anisotropic interband transitions persisting to high photon energies. These results were analyzed by comparison with ab initio calculations. The calculated and measured plasma frequencies agree to within 10% for both polarizations, while the calculated interband conductivity shows excellent agreement with experiment.en_US
dc.format.extent95.24: 245140-1 - 245140-5en_US
dc.language.isoen_USen_US
dc.relation.ispartofPhysical Review Ben_US
dc.rightsFinal published version. This is an open access article.en_US
dc.titleAnisotropic electrodynamics of type-II Weyl semimetal candidate WTe2en_US
dc.typeJournal Articleen_US
dc.identifier.doidoi:10.1103/PhysRevB.95.245140-
dc.identifier.eissn2469-9969-
pu.type.symplectichttp://www.symplectic.co.uk/publications/atom-terms/1.0/journal-articleen_US

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