Time- and angle-resolved photoemission spectroscopy of Floquet states in graphene. Credit: Nature Physics (2025). DOI: 10.1038/s41567-025-02939-0 Graphene is…
We consider the low-energy Hamiltonian for the metallic bands of monolayer NbSe2 $$\hat{H}={\sum} _{{{\bf{k}}},\sigma }{\xi }_{{{\bf{k}}},\sigma }{\hat{c}}_{{{\bf{k}}},\sigma }^{{\dagger}…