no code implementations • 19 Feb 2021 • Erik G. C. P. van Loon, Jan Berges, Tim O. Wehling
Constrained electronic-structure theories enable the construction of effective low-energy models consisting of partially dressed particles.
Strongly Correlated Electrons Materials Science Computational Physics
no code implementations • 4 Jan 2021 • Camiel van Efferen, Jan Berges, Joshua Hall, Erik van Loon, Stefan Kraus, Arne Schobert, Tobias Wekking, Felix Huttmann, Eline Plaar, Nico Rothenbach, Katharina Ollefs, Lucas Machado Arruda, Nick Brookes, Gunnar Schoenhoff, Kurt Kummer, Heiko Wende, Tim Wehling, Thomas Michely
In the standard model of charge density wave (CDW) transitions, the displacement along a single phonon mode lowers the total electronic energy by creating a gap at the Fermi level, making the CDW a metal--insulator transition.
Materials Science Mesoscale and Nanoscale Physics Computational Physics
