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Magneto-Optical Signature of Massless Kane Electrons in Cd_{3}As_{2}.
Akrap, A; Hakl, M; Tchoumakov, S; Crassee, I; Kuba, J; Goerbig, M O; Homes, C C; Caha, O; Novák, J; Teppe, F; Desrat, W; Koohpayeh, S; Wu, L; Armitage, N P; Nateprov, A; Arushanov, E; Gibson, Q D; Cava, R J; van der Marel, D; Piot, B A; Faugeras, C; Martinez, G; Potemski, M; Orlita, M.
Afiliación
  • Akrap A; DQMP, University of Geneva, CH-1211 Geneva 4, Switzerland.
  • Hakl M; LNCMI, CNRS-UGA-UPS-INSA, 25, avenue des Martyrs, 38042 Grenoble, France.
  • Tchoumakov S; LPS, Université Paris-Sud, Université Paris-Saclay, CNRS UMR 8502, 91405 Orsay, France.
  • Crassee I; GAP-Biophotonics, University of Geneva, CH-1211 Geneva 4, Switzerland.
  • Kuba J; LNCMI, CNRS-UGA-UPS-INSA, 25, avenue des Martyrs, 38042 Grenoble, France.
  • Goerbig MO; CEITEC BUT, Brno University of Technology, 616 00 Brno, Czech Republic.
  • Homes CC; LPS, Université Paris-Sud, Université Paris-Saclay, CNRS UMR 8502, 91405 Orsay, France.
  • Caha O; CMPMS, Brookhaven National Laboratory, Upton, New York 11973, USA.
  • Novák J; CEITEC MU, Masaryk University, Faculty of Science, 61137 Brno, Czech Republic.
  • Teppe F; CEITEC MU, Masaryk University, Faculty of Science, 61137 Brno, Czech Republic.
  • Desrat W; Laboratoire Charles Coulomb, CNRS, Université Montpellier, 34095 Montpellier, France.
  • Koohpayeh S; Laboratoire Charles Coulomb, CNRS, Université Montpellier, 34095 Montpellier, France.
  • Wu L; The Institute for Quantum Matter, The Johns Hopkins University, Baltimore, Maryland 21218, USA.
  • Armitage NP; The Institute for Quantum Matter, The Johns Hopkins University, Baltimore, Maryland 21218, USA.
  • Nateprov A; Department of Physics, University of California, Berkeley, California 94720, USA.
  • Arushanov E; The Institute for Quantum Matter, The Johns Hopkins University, Baltimore, Maryland 21218, USA.
  • Gibson QD; Institute of Applied Physics, Academy of Sciences of Moldova, MD-2028 Chisinau, Moldova.
  • Cava RJ; Institute of Applied Physics, Academy of Sciences of Moldova, MD-2028 Chisinau, Moldova.
  • van der Marel D; Department of Chemistry, Princeton University, Princeton, New Jersey 08544, USA.
  • Piot BA; Department of Chemistry, Princeton University, Princeton, New Jersey 08544, USA.
  • Faugeras C; DQMP, University of Geneva, CH-1211 Geneva 4, Switzerland.
  • Martinez G; LNCMI, CNRS-UGA-UPS-INSA, 25, avenue des Martyrs, 38042 Grenoble, France.
  • Potemski M; LNCMI, CNRS-UGA-UPS-INSA, 25, avenue des Martyrs, 38042 Grenoble, France.
  • Orlita M; LNCMI, CNRS-UGA-UPS-INSA, 25, avenue des Martyrs, 38042 Grenoble, France.
Phys Rev Lett ; 117(13): 136401, 2016 Sep 23.
Article en En | MEDLINE | ID: mdl-27715109
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.
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Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2016 Tipo del documento: Article País de afiliación: Suiza Pais de publicación: Estados Unidos
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Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2016 Tipo del documento: Article País de afiliación: Suiza Pais de publicación: Estados Unidos