Scientific article
Open access

Magneto-Optical Signature of Massless Kane Electrons in Cd3As2

Published inPhysical Review Letters, vol. 117, no. 136401
Publication date2016

We report on optical reflectivity experiments performed on Cd_{3}As_{2} over a broad range of photon energies and magnetic fields. The observed response clearly indicates the presence of 3D massless charge carriers. The specific cyclotron resonance absorption in the quantum limit implies that we are probing massless Kane electrons rather than symmetry-protected 3D Dirac particles. The latter may appear at a smaller energy scale and are not directly observed in our infrared experiments.

Citation (ISO format)
AKRAP, Ana et al. Magneto-Optical Signature of Massless Kane Electrons in Cd<sub>3</sub>As<sub>2</sub>. In: Physical Review Letters, 2016, vol. 117, n° 136401. doi: 10.1103/PhysRevLett.117.136401
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ISSN of the journal0031-9007

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