Flat Bands in Twisted Bilayer Transition Metal Dichalcogenides by Manish Jain
International Centre for Theoretical Sciences via YouTube
Overview
Syllabus
Flat bands in twisted bilayer transition metal dichalcogenides
Motivation
Moire patterns in twisted bilayer MoS2 tBLM
Computational Details - Multiscale approach
Stacking in BLM
3.5 degree twist angle, M3.5
56.5 degree twist angle, M56.5
Interlayer spacings ILS in the Moire
In-plane displacements, M56.5
Order-parameter
Order-parameter distribution
Interlayer spacing and strain distribution
Shear-strain soliton
Electronic structure
Localisation, 2.65 degree MSL
Electronic structure of individual stacking
Hybridization between layers
Confining Potential
Inhomogeneous hybridization in moire
Evolution of band structure near 0 degree
58 degree MSL
58 degree MSL: origin of localisation
Effect of strains, 57.35 degree MSL
Density of states for twisted Moire patterns
Conclusions
Acknowledgements
Q&A
Taught by
International Centre for Theoretical Sciences