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Exploring excited eigenstates of many-body systems using the functional renormalization group
Christian Klöckner, Dante Marvin Kennes, Christoph Karrasch
We introduce approximate, functional renormalization group based schemes to obtain correlation functions in pure excited eigenstates of large fermionic many-body systems at arbitra…
Non-monotonic response and light-cone freezing in gapless-to-(partially) gapped quantum quenches of fermionic systems
S. Porta, F. M. Gambetta, N. Traverso Ziani +3
The properties of prototypical examples of one-dimensional fermionic systems undergoing a sudden quantum quench from a gapless state to a (partially) gapped state are analyzed. By…
Electromagnetic Response during a Quench Dynamics to Superconducting State: Time-Dependent Ginzburg-Landau Analysis
D. M. Kennes, A. J. Millis
We use a numerical solution of the deterministic TDGL equations to determine the response induced by a probe field in a material quenched into a superconducting state. We character…
Non-equilibrium Optical Conductivity: General Theory and Application to Transient Phases
Dante M. Kennes, Eli Y. Wilner, David R. Reichman +1
A non-equilibrium theory of optical conductivity of dirty-limit superconductors and commensurate charge density wave is presented. We discuss the current response to different expe…
The Adiabatically Deformed Ensemble: Engineering Non-Thermal States of Matter
D. M. Kennes
We propose a route towards engineering non-thermal states of matter, which show largely unexplored physics. The main idea relies on the adiabatic passage of a thermal ensemble unde…
Transport in quasiperiodic interacting systems: from superdiffusion to subdiffusion
Yevgeny Bar Lev, Dante M. Kennes, Christian Klöckner +2
Using a combination of numerically exact and renormalization-group techniques we study the nonequilibrium transport of electrons in an one-dimensional interacting system subject to…