- Centre National de la Recherche ScientifiqueFR872 papers
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8 papers · 2 filters
Energy-dependent diffusion in a soft periodic Lorentz gas
S. Gil-Gallegos, R. Klages, J. Solanpää +1
The periodic Lorentz gas is a paradigmatic model to examine how macroscopic transport emerges from microscopic chaos. It consists of a triangular lattice of circular hard scatterer…
Normal and Anomalous Diffusion in Soft Lorentz Gases
R. Klages, S. S. Gil Gallegos, J. Solanpää +2
Motivated by electronic transport in graphene-like structures, we study the diffusion of a classical point particle in Fermi potentials situated on a triangular lattice. We call th…
Orthogonality catastrophe in dissipative quantum many body systems
F. Tonielli, R. Fazio, S. Diehl +1
We present an analog of the phenomenon of orthogonality catastrophe in quantum many body systems subject to a local dissipative impurity. We show that the fidelity , giving a…
An exactly solvable record model for rainfall
Satya N. Majumdar, Philipp von Bomhard, Joachim Krug
Daily precipitation time series are composed of null entries corresponding to dry days and nonzero entries that describe the rainfall amounts on wet days. Assuming that wet days fo…
Absence of Criticality in the Phase Transitions of Open Floquet Systems
Steven Mathey, Sebastian Diehl
We address the nature of phase transitions in periodically driven systems coupled to a bath. The latter enables a synchronized non-equilibrium Floquet steady state at finite entrop…
Phenomenology of a First Order Dark State Phase Transition
Dietrich Roscher, Sebastian Diehl, Michael Buchhold
Dark states are stationary states of a dissipative, Lindblad-type time evolution with zero von Neumann entropy, therefore representing examples of pure, steady quantum states. Non-…