25.11.2021 10:00
Master-Kolloquium Lado Razmadze
Exploring possible tobological structures in exactly solvable model on carbon nanoribbon
BCS-Hubbard model is applied to nanoribbons with zigzag and armchair geometry. Dispersion relations and effective Hamiltonian are derived at symmetric lines for Ferromagnetic and Anti-ferromagnetic order. Conserved quantities are found for general case of BCS-Hubbard model.
The talk will be given via Zoom. Zoom link: https://uni-bonn.zoom.us/j/92650824243?pwd=UW8yN0drcmRQU045SW4vbkpNOEY5UT09
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