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Coexistence of excited polarons and metastable delocalized states in photoinduced metals
We study how polaronic states form as a function of time due to strong electron-phonon coupling, starting from a hot electron distribution which is representative of a photoinduced metallic state
Slowdown of the Electronic Relaxation Close to the Mott Transition.
We investigate the time-dependent reformation of the quasiparticle peak in a correlated metal near the Mott transition, after the system is quenched into a hot electron state and equilibrates with an
Comparative study of nonequilibrium insulator-to-metal transitions in electron-phonon systems
We study equilibrium and nonequilibrium properties of electron-phonon systems described by the Hubbard-Holstein model using dynamical mean-field theory. In equilibrium, we benchmark the results for
Entanglement spectrum crossings reveal non-Hermitian dynamical topology
The development of non-Hermitian topological band theory has led to observations of novel topological phenomena in effectively classical, driven and dissipative systems. However, for open quantum
Pairing and non-Fermi liquid behavior in partially flat-band systems: Beyond nesting physics
While multiband systems are usually considered for flat-band physics, here we study one-band models that have flat portions in the dispersion to explore correlation effects in the 2D repulsive
Symmetry-protected exceptional and nodal points in non-Hermitian systems
One of the unique features of non-Hermitian (NH) systems is the appearance of non-Hermitian degeneracies known as exceptional points (EPs). The occurrence of EPs in NH systems requires satisfying
Nematicity-enhanced superconductivity in systems with a non-Fermi liquid behavior
Sharareh Sayyad, ∗ Motoharu Kitatani , Abolhassan Vaezi , † and Hideo Aoki 5 Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel, Grenoble 38000, France RIKEN Center for Emergent Matter Sciences
Non-Hermitian chiral anomalies
The chiral anomaly underlies a broad number of phenomena, from enhanced electronic transport in topological metals to anomalous currents in the quark-gluon plasma. The discovery of topological states