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SKM 2023 – wissenschaftliches Programm

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HL: Fachverband Halbleiterphysik

HL 9: Focus Session: Graphene quantum dots (joint session HL/TT)

Montag, 27. März 2023, 15:00–17:45, POT 251

Quantum dots have emerged as one of the contenders for a future quantum information processor. Bilayer graphene is now established as a material that allows high quality bi-polar Coulomb blockade measurement, time-dependent transport measurements and first relaxation time measurements. In contrast to the more conventional GaAs and Si-based systems, several exiting and unexpected observations in graphene have been explained by the peculiar graphene bandstructure, which is gate- tunable, the additional valley degree of freedom, and spin-valley coupling.

Organized by Klaus Ensslin

15:00 HL 9.1 Hauptvortrag: Spin and valley lifetime in graphene quantum dots — •Guido Burkard
15:30 HL 9.2 Hauptvortrag: Microscopic modelling of electrostatically induced bilayer graphene quantum dots — •Angelika Knothe
  16:00 HL 9.3 The contribution has been withdrawn.
  16:15 30 min. break
16:45 HL 9.4 Hauptvortrag: Single-shot spin and valley Pauli blockade read-out in bilayer graphene quantum dots — •Chuyao Tong, Rebekka Garreis, Wister Wei Huang, Annika Kurzmann, Jocelyn Terle, Samuel Jele, Kenji Watanabe, Takashi Taniguchi, Thomas Ihn, and Klaus Ensslin
17:15 HL 9.5 Hauptvortrag: Particle-hole symmetry protects spin-valley blockade in graphene quantum dots — •Christian Volk, Luca Banszerus, Samuel Möller, Katrin Hecker, Eike Icking, Kenji Watanabe, Takashi Taniguchi, Fabian Hassler, and Christoph Stampfer
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