no code implementations • 2 Mar 2021 • Lukas Broers, Ludwig Mathey
We propose optical longitudinal conductivity as a realistic observable to detect light-induced Floquet band gaps in graphene.
Mesoscale and Nanoscale Physics Quantum Physics
no code implementations • 24 Feb 2021 • Kazuma Nagao, Dapeng Li, Ludwig Mathey
We develop a squeezed-field path-integral representation for BCS superconductors utilizing a generalized completeness relation of squeezed-fermionic coherent states.
Superconductivity
no code implementations • 16 Dec 2020 • Hans Keßler, Phatthamon Kongkhambut, Christoph Georges, Ludwig Mathey, Jayson G. Cosme, Andreas Hemmerich
In analogy to spatial crystals, the spontaneous breaking of temporal translation symmetry results in the formation of time crystals.
Quantum Gases
