Superconductivity, Correlations and Chern Insulators in Twisted Bilayer Graphene - Stevan Nadj-Perge

Superconductivity, Correlations and Chern Insulators in Twisted Bilayer Graphene - Stevan Nadj-Perge

Kavli Institute for Theoretical Physics via YouTube Direct link

Intro

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1 of 17

Intro

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Superconductivity, Correlations and Chern Insulators in Twisted Bilayer Graphene - Stevan Nadj-Perge

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  1. 1 Intro
  2. 2 Magic angle = Large U/W
  3. 3 Control U - Screening vs. Angle Change
  4. 4 Control U/W - Screening vs. Angle Change
  5. 5 Outline
  6. 6 Phase diagram in 0.97° device (D1)
  7. 7 Temperature dependence and gaps
  8. 8 Temperature dependence for low angle devices
  9. 9 Phase diagram D2 vs. D4
  10. 10 What is different? Spin-Orbit Coupling
  11. 11 What is different? Landau Fan Diagram
  12. 12 Continuum model with spin-orbit coupling (SOC)
  13. 13 Conclusions
  14. 14 Chern Insulators
  15. 15 STM - Measurements (TBG/WSe2)
  16. 16 Phase diagram for D2(0.87° -0.79°)
  17. 17 Did we get rid of the correlations? NO

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