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Edge modes and Fabry-Perot Plasmonic Resonances in anomalous-Hall Thin Films
Thomas Benjamin Smith, Iacopo Torre, Alessandro Principi
We study plasmon propagation on a metallic two-dimensional surface partially coated with a thin film of anomalous-Hall material. The resulting three regions, separated by two sharp…
Disorder-enabled hydrodynamics of charge and heat transport in monolayer graphene
Mohammad Zarenia, Alessandro Principi, Giovanni Vignale
Hydrodynamic behavior in electronic systems is commonly accepted to be associated with extremely clean samples such that electron-electron collisions dominate and total momentum is…
Pseudo-Euler equations from nonlinear optics: plasmon-assisted photodetection beyond hydrodynamics
Alessandro Principi, Denis Bandurin, Habib Rostami +1
A great deal of theoretical and experimental efforts have been devoted in the last decades to the study of long-wavelength photodetection mechanisms in field-effect transistors hos…
Resonant Terahertz Detection Using Graphene Plasmons
D. A. Bandurin, D. Svintsov, I. Gayduchenko +13
Plasmons, collective oscillations of electron systems, can efficiently couple light and electric current, and thus can be used to create sub-wavelength photodetectors, radiation mi…
Scanning Gate Microscopy in a Viscous Electron Fluid
Beat A Braem, Francesco M D Pellegrino, Alessandro Principi +10
We measure transport through a Ga[Al]As heterostructure at temperatures between 0.1 K and 30 K. Increasing the temperature enhances the electron-electron scattering rate and viscou…
Measuring Hall Viscosity of Graphene's Electron Fluid
A. I. Berdyugin, S. G. Xu, F. M. D. Pellegrino +10
Materials subjected to a magnetic field exhibit the Hall effect, a phenomenon studied and understood in fine detail. Here we report a qualitative breach of this classical behavior…
Enhanced photoenergy harvesting and extreme Thomson effect in hydrodynamic electronic systems
Trond I. Andersen, Thomas B. Smith, Alessandro Principi
The thermoelectric (TE) properties of a material are dramatically altered when electron-electron interactions become the dominant scattering mechanism. In the degenerate hydrodynam…
Confining graphene plasmons to the ultimate limit
Alessandro Principi, Erik van Loon, Marco Polini +1
Graphene plasmons have recently attracted a great deal of attention because of their tunability, long lifetime, and high degree of field confinement in the vertical direction. Near…