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Universality of Boundary Charge Fluctuations
Clara S. Weber, Kiryl Piasotski, Mikhail Pletyukhov +4
We establish the quantum fluctuations of the charge accumulated at the boundary of an insulator as an integral tool to characterize phase transitions where a direct…
Dynamics of the Anderson impurity model: benchmarking a non-adiabatic exchange-correlation potential in time-dependent density functional theory
Niklas Dittmann, Nicole Helbig, Dante M. Kennes
In this comparative study we benchmark a recently developed non-adiabatic exchange-correlation potential within time-dependent density functional theory (TDDFT) (Phys.\ Rev.\ Lett.…
Effective metal-insulator non-equilibrium quantum phase transition
S. Porta, N. Traverso Ziani, D. M. Kennes +3
We consider the steady state behavior of observables in the Su-Schrieffer-Heeger model and in the one dimensional transverse field quantum Ising model after a sudden quantum quench…
Loschmidt-amplitude wave function spectroscopy and the physics of dynamically driven phase transitions
D. M. Kennes, C. Karrasch, A. J. Millis
We introduce the Loschmidt amplitude as a powerful tool to perform spectroscopy of generic many-body wave functions and use it to interrogate the wave function obtained after rampi…
Controlling Dynamical Quantum Phase Transitions
D. M. Kennes, D. Schuricht, C. Karrasch
We study the dynamics arising from a double quantum quench where the parameters of a given Hamiltonian are abruptly changed from being in an equilibrium phase A to a different phas…
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…