Low-Energy Spectroscopy of Quantum Matter: Topology, Spins, Spin-Orbit Coupling

Presentations

• Landau level spectroscopy as a window into topological semimetals

  ORAL · Invited

  March 4, 2024, 11:30 AM – March 4, 2024, 12:06 PM

  Publication: [1] D. Santos-Cottin, M. Casula, L. de' Medici, F. Le Mardelé, J. Wyzula, M. Orlita, Y. Klein, A. Gauzzi, A. Akrap, R. P. S. M Lobo, "Universal optical features of Dirac cone networks: The case of BaNiS2 and their impact on the low-energy electronic structure", Phys. Rev. B 104, L201115 (2021).
  [2] F. Le Mardelé, J. Wyzula, I. Mohelsky, S. Nasrallah, M. Loh, S. Ben David, O. Toledano, D. Tolj, M. Novak, G. Eguchi, S. Paschen, N. Barisic, J. Chen, A. Kimura, M. Orlita, Z. Rukelj, Ana Akrap, and D. Santos-Cottin "Evidence of 3D Dirac conical bands in TlBiSSe by optical and magneto-optical spectroscopy", Phys. Rev. B 107, L241101 (2023).
  [3] E. Martino, I. Crassee, G. Eguchi, D. Santos-Cottin, R.D. Zhong, G.D. Gu, H. Berger, Z. Rukelj, M. Orlita, C. C. Homes, Ana Akrap, "Two-dimensional conical dispersion in ZrTe5 evidenced by optical spectroscopy", Physical Review Letters 122, 217402 (2019).
  [4] I. Mohelsky, J. Wyzula, B. A. Piot, G. D. Gu, Q. Li, A. Akrap, and M. Orlita, "Temperature dependence of the energy band gap in ZrTe5: Implications for the topological phase", Phys. Rev. B 107, L041202 (2023).
  [5] David Santos-Cottin, Jan Wyzula, Florian Le Mardelé, Iris Crassee, Edoardo Martino, Gaku Eguchi, Zoran Rukelj, Mario Novak, Milan Orlita, Ana Akrap, "Addressing shape and extent of Weyl cones in TaAs by Landau level spectroscopy", Phys. Rev. B 105, L081114 (2022).

  Presenters

  • Ana Akrap

    • University of Fribourg, Switzerland

  Authors

  • Ana Akrap

    • University of Fribourg, Switzerland

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• Influence of electronic band topology on Raman spectroscopy

  ORAL · Invited

  March 4, 2024, 12:06 PM – March 4, 2024, 12:42 PM

  Publication: [1] L.-H. Hu, J. Yu., I. Garate and C.-X. Liu, Phys. Rev. Lett. 127, 125901 (2021).
  [2] S. Parlak, S. Ghosh and I. Garate, Phys. Rev. B 107, 104308 (2023).
  [3] S. Parlak and I. Garate, in preparation (2023).

  Presenters

  • Ion Garate

    • Université de Sherbrooke
    • Universite de Sherbrooke

  Authors

  • Ion Garate

    • Université de Sherbrooke
    • Universite de Sherbrooke

  • Selçuk Parlak

    • Université de Sherbrooke

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• Electronic Raman scattering in materials with strong spin-orbit coupling

  ORAL · Invited

  March 4, 2024, 12:42 PM – March 4, 2024, 1:18 PM

  Publication: 1. A.C. Lee et. al., arXiv:2310.04394
  2. S. Sarkar et. al., arXiv:2306.11240
  3. A.C. Lee et. al., Phys. Rev. B 105, L161105 (2022).

  Presenters

  • Girsh E Blumberg

    • Rutgers University

  Authors

  • Girsh E Blumberg

    • Rutgers University

  • Alexander C Lee

    • Rutgers University

  • Saurabh Maiti

    • Concordia University

  • Surajit Sarkar

    • Concordia University

  • Sang-Wook Cheong

    • Rutgers University

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• Spectroscopic signatures of collective excitations in spin-orbit coupled systems

  ORAL · Invited

  March 4, 2024, 1:18 PM – March 4, 2024, 1:54 PM

  Publication: Spin-orbit interaction enabled electronic Raman scattering from charge collective modes [arXiv:2306.11240]
  Direct Photon Scattering by Plasmons in BiTeI [arXiv:2310.04394]

  Presenters

  • Saurabh Maiti

    • Concordia University

  Authors

  • Saurabh Maiti

    • Concordia University

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• Optical absorption in Dirac metals

  ORAL · Invited

  March 4, 2024, 1:54 PM – March 4, 2024, 2:30 PM

  Presenters

  • Dmitrii Maslov

    • University of Florida

  Authors

  • Dmitrii Maslov

    • University of Florida

  • Prachi Sharma

    • University of Minnesota

  • Alessandro Principi

    • University of Manchester

  • Adamya Goyal

    • University of Florida

  View abstract →