no code implementations • 5 Jan 2021 • Tao Yu, Dante M. Kennes, Angel Rubio, Michael A. Sentef
Recent measurements of the resistivity in magic-angle twisted bilayer graphene near the superconducting transition temperature show two-fold anisotropy, or nematicity, when changing the direction of an in-plane magnetic field [Cao \textit{et al.}, Science \textbf{372}, 264 (2021)].
Superconductivity
no code implementations • 30 Nov 2020 • Tao Yu, Chen Wang, Michael A. Sentef, Gerrit E. W. Bauer
The Doppler shift of the quasiparticle dispersion by charge currents is responsible for the critical supercurrents in superconductors and instabilities of the magnetic ground state of metallic ferromagnets.
Mesoscale and Nanoscale Physics
no code implementations • 9 Nov 2020 • Joseph Tindall, Frank Schlawin, Michael A. Sentef, Dieter Jaksch
Under the action of coherent periodic driving a generic quantum system will undergo Floquet heating and continously absorb energy until it reaches a featureless thermal state.
Strongly Correlated Electrons Superconductivity Quantum Physics
no code implementations • 2 Aug 2018 • Riku Tuovinen, Denis Golež, Michael Schüler, Philipp Werner, Martin Eckstein, Michael A. Sentef
A fast time propagation method for nonequilibrium Green's functions based on the generalized Kadanoff--Baym Ansatz (GKBA) is applied to a lattice system with a symmetry-broken equilibrium phase, namely an excitonic insulator.
Strongly Correlated Electrons
