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Infrared spectroscopy study of the in-plane response of ${\mathrm{YBa}}_{2}{\mathrm{Cu}}_{3}{\mathrm{O}}_{6.6}$ in magnetic fields up to 30 Tesla

Lyzwa, Fryderyk ; Xu, Bing ; Maršík, Premysl ; Sheveleva, Evgeniia ; Crassee, I. ; Orlita, M. ; Bernhard, Christian

In: Physical Review Research, 2020, vol. 2, no. 2, p. 023218

With terahertz and infrared spectroscopy we studied the in-plane response of an underdoped, twinned YBa2Cu3O6.6 single crystal with Tc=58(1)K in high magnetic fields up to B=30 Tesla (T) applied along the c axis. Our goal was to investigate the field-induced suppression of superconductivity and to observe the signatures of the three-dimensional (3D) incommensurate copper charge density wave...

Magneto-optics of a Weyl semimetal beyond the conical band approximation: case study of tap

Polatkan, S. ; Goerbig, M. O. ; Wyzula, J. ; Kemmler, R. ; Maulana, L. Z. ; Piot, B. A. ; Crassee, I. ; Akrap, Ana ; Shekhar, C. ; Felser, C. ; Dressel, M. ; Pronin, A. V. ; Orlita, M.

In: Physical Review Letters, 2020, vol. 124, no. 17, p. 176402

Landau-level spectroscopy, the optical analysis of electrons in materials subject to a strong magnetic field, is a versatile probe of the electronic band structure and has been successfully used in the identification of novel states of matter such as Dirac electrons, topological materials or Weyl semimetals. The latter arise from a complex interplay between crystal symmetry, spin-orbit...

3D Dirac semimetal ${\mathrm{Cd}}_{3}{\mathrm{As}}_{2}$: A review of material properties

Crassee, I. ; Sankar, R. ; Lee, W.-L. ; Akrap, Ana ; Orlita, M.

In: Physical Review Materials, 2018, vol. 2, no. 12, p. 120302