[21A-SF4] Invited&Contributed

[21A-SF4-04] Observation of Ballistic Upstream Modes at Fractional Quantum Hall Edges of Graphene

*Christian Spanslatt^2,3,4, Ravi Kumar¹, Saurabh Kumar Srivastav¹, Kenji Watanabe⁵, Takashi Taniguchi⁵, Yuval Gefen⁶, Alexander D Mirlin^3,4,7,8, Anindya Das¹ (1. Department of Physics, Indian Institute of Science, Bangalore, 560012, India, 2. Department of Microtechnology and Nanoscience (MC2),Chalmers University of Technology, S-412 96 Goteborg, Sweden, 3. Institute for Quantum Materials and Technologies, Karlsruhe Institute of Technology, 76021 Karlsruhe, Germany, 4. Institut fuer Theorie der Kondensierten Materie, Karlsruhe Institute of Technology, 76128 Karlsruhe, Germany, 5. National Institute of Material Science, 1-1 Namiki, Tsukuba 305-0044, Japan, 6. Department of Condensed Matter Physics, Weizmann Institute of Science, Rehovot 76100, Israel, 7. Petersburg Nuclear Physics Institute, 188300 St. Petersburg, Russia, 8. L. D. Landau Institute for Theoretical Physics RAS, 119334 Moscow, Russia)