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Harnessing electronic excitations involving coherent coupling to bosonic modes is essential for the design and control of emergent phenomena in quantum materials [1]. In situations where charge carriers induce a lattice distortion due to…

Plasmonic excitations decay within femtoseconds, leaving non-thermal (often referred to as "hot") charge carriers behind that can be injected into molecular structures to trigger chemical reactions that are otherwise out of reach -- a…

Materials Science · Physics 2025-01-28 Jakub Fojt , Paul Erhart , Christian Schäfer

The influence of intense electromagnetic wave on photoassociation is investigated. The quantum-mechanical problem of the stimulated transition is considered. The probabilities for stimulated production of mesic atoms in states with large…

Atomic Physics · Physics 2020-02-25 M. A. Kutlan

Plasmon polaritons are formed by coupling light with delocalized electrons. The half-light and half-matter nature of plasmon polaritons endows them with unparalleled tunability via a range of parameters, such as dielectric environments and…

Surface plasmons have been used recently to generate heat nanosources, the intensity of which can be tuned, for example, with the wavelength of the excitation radiation. In this paper, we present versatile analytical and numerical…

Applied Physics · Physics 2021-09-03 Ch. Girard , P. R. Wiecha , A. Cuche , E. Dujardin

The interaction of fast charged particles with graphene layers can generate electromagnetic modes. This wake effect has been recently proposed for short-wavelength, high-gradient particle acceleration and for obtaining brilliant radiation…

Localized surface plasmon resonances (LSPRs) in metal nanoparticles have been studied extensively through scattering and absorption. Static magnetic field-induced changes in plasmonic far-field response stem from the classical Hall effect…

We review studies of superintense laser interaction with solid targets where the generation of propagating surface plasmons (or surface waves) plays a key role. These studies include the onset of plasma instabilities at the irradiated…

Optics · Physics 2018-04-18 A. Macchi

High-mobility field effect transistors can serve as resonant detectors of terahertz radiation due to excitation of plasmons in the channel. The modeling of these devices previously relied either on approximate techniques, or complex…

Applied Physics · Physics 2018-08-29 Dmitry Svintsov

Studying basic physical effects sustained in metamaterials characterized by specific constitutive relation is a research topic with a long standing tradition. Besides intellectual curiosity, it derives its importance from the ability to…

An opalic plasmonic sample, constituted by a hexagonal arrangement of metallized silica spheres, presents remarkable optical properties due to the mixing of periodic arrangement and singularities at the sphere touching points. It is…

We consider a biased molecular junction subjected to external time-dependent electromagnetic field. We discuss local field formation due to both surface plasmon-polariton excitations in the contacts and the molecular response. Employing…

Mesoscale and Nanoscale Physics · Physics 2012-12-03 Alexander J. White , Maxim Sukharev , Michael Galperin

We study localized plasmons at the nanoscale (nano-plasmons) in graphene. The collective excitations of induced charge density modulations in graphene are drastically changed in the vicinity of a single impurity compared to graphene's bulk…

Materials Science · Physics 2013-12-19 Hari Dahal , Rodrigo A. Muniz , Stephan Haas , Matthias J. Graf , Alexander V. Balatsky

We apply the hydrodynamic theory of electron liquid to demonstrate that a circularly polarized radiation induces the diamagnetic, helicity-sensitive dc current in a ballistic nanoring. This current is dramatically enhanced in the vicinity…

Mesoscale and Nanoscale Physics · Physics 2017-01-25 K. L. Koshelev , V. Yu. Kachorovskii , M. Titov , M. S. Shur

The experimental demonstration and characterization is made of the plasmon-mediated resonant transmission through an embedded undulated continuous thin metal film under normal incidence. 1D undulations are shown to enable a spatially…

In the present research, we demonstrate the usage of plasmonic effects in thin film structures to control magnetic topological textures, specifically skyrmions and skyrmioniums. We investigate numerically the generation and alteration of…

Applied Physics · Physics 2024-03-13 W. Al Saidi , R. Sbiaa , Y. Dusch , N. Tiercelin

Sharp metal corners and tips support plasmons localized on the scale of the curvature radius -- superlocalized plasmons. We analyze plasmonic properties of nanoparticles with small and sharp corner- and tip-shaped surface perturbations in…

Optics · Physics 2016-01-20 M. V. Gorkunov , B. I. Sturman , E. V. Podivilov

We investigate electromagnetic scattering and plasmonic cloaking in a system composed by a dielectric cylinder coated with a magneto-optical shell. In the long-wavelength limit we demonstrate that the application of an external magnetic…

Optics · Physics 2015-05-12 W. J. M. Kort-Kamp , F. S. S. Rosa , F. A. Pinheiro , C. Farina

Plasma oscillations in doped graphene bilayer at zero temperature has been investigated. Bias voltage effect on the dispersion curve for plasmon in bigraphene has been studied in random phase approximation. The possibility of controlling of…

Mesoscale and Nanoscale Physics · Physics 2018-07-24 E. I. Kukhar , S. V. Kryuchkov

Plasmon excitations in metallic nanostructures can decay directly into dynamic electron-hole pairs (EHPs), exploitable for photocurrent generation. This approach has extensively been employed to develop nanoplasmonic light-sensing devices…

Optics · Physics 2019-08-15 Burak Gerislioglu , Arash Ahmadivand