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35 papers · 1 filter
Topological transitions and Anderson localization of light in disordered atomic arrays
S. E. Skipetrov, P. Wulles
We explore the interplay of disorder and topological phenomena in honeycomb lattices of atoms coupled by the electromagnetic field. On the one hand, disorder can trigger transition…
Observation of KPZ universal scaling in a one-dimensional polariton condensate
Quentin Fontaine, Davide Squizzato, Florent Baboux +14
Revealing universal behaviors is a hallmark of statistical physics. Phenomena such as the stochastic growth of crystalline surfaces, of interfaces in bacterial colonies, and spin t…
Controlling magnetic configuration in soft-hard bilayers probed by polarized neutron reflectometry
Nan Tang, Jung-Wei Liao, Siu-Tat Chui +4
Hard/soft magnetic bilayer thin films have been widely used in data storage technologies and permanent magnet applications. The magnetic configuration and response to temperatures…
Efficient computations of continuous action densities of states for lattice models
Biagio Lucini, Olmo Francesconi, Markus Holzmann +2
The Logarithmic Linear Relaxation (LLR) algorithm is an efficient method for computing densities of states for systems with a continuous spectrum. A key feature of this method is e…
Operator product expansion coefficients from the nonperturbative functional renormalization group
Félix Rose, Carlo Pagani, Nicolas Dupuis
Using the nonperturbative functional renormalization group (FRG) within the Blaizot-Méndez-Galain-Wschebor approximation, we compute the operator product expansion (OPE) coefficien…
Isotropic radiative transfer as a phase space process: Lorentz covariant Green's functions and first-passage times
Vincent Rossetto
The solutions of the radiative transfer equation, known for the energy density, do not satisfy the fundamental transitivity property for Green's functions expressed by Chapman-Kolm…