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Progress in the study of collisions of multiply charged ions with surfaces is reviewed with the help of a few recent examples. They range from fundamental quasi-one electron processes to highly complex ablation and material modification…

Atomic Physics · Physics 2017-08-23 J. Burgdörfer , C. Lemell , K. Schiessl , B. Solleder , C. Reinhold , K. T\H okési , L. Wirtz

We put forward a concept to create highly collimated, non-dispersive electron beams in pseudo-relativistic Dirac materials such as graphene or topological insulator surfaces. Combining negative refraction and Klein collimation at a…

Mesoscale and Nanoscale Physics · Physics 2017-02-09 Ming-Hao Liu , Cosimo Gorini , Klaus Richter

The efficiency of an atomic interferometer in proximity of a surface is discussed. We first study which is the best choice of frequency for a pulse acting on internal atomic transitions in the same well. Then considering the modification of…

Quantum Physics · Physics 2013-10-18 Sophie Pelisson , Riccardo Messina , Marie-Christine Angonin , Peter Wolf

We suggest that the collision of a small solid body with a pulsar can lead to an observable glitch/anti-glitch. The glitch amplitude depends on the mass of the small body and the impact parameter as well. In the collision, a considerable…

High Energy Astrophysical Phenomena · Physics 2015-06-17 Y. F. Huang , J. J. Geng , Z. B. Zhang

Overcoming the diffraction limit, meaning focusing waves on a sub-wavelength scale, has received considerable attention for applications involving light and acoustics. Indeed, the intense focusing achieved enhances the interactions between…

Classical Physics · Physics 2025-02-27 B. Fromont , J. De Rosny , R. Pascaud , N. Lebbe , O. Pascal , J. Sokoloff , L. Liard , T. Delage , A. Saucourt , M. Fink , V. Mazières

A generalized description of Talbot-Lau interference with matter waves is presented, which accounts for arbitrary grating interactions and realistic beam characteristics. The dispersion interaction between the beam particles and the optical…

Quantum Physics · Physics 2008-08-18 Stefan Nimmrichter , Klaus Hornberger

A series of density functional theory (DFT) simulations was performed to investigate the approach, contact, and subsequent separation of two atomically flat surfaces consisting of different materials. Aluminum (Al) and titanium nitride…

Materials Science · Physics 2015-04-24 Gregor Feldbauer , Michael Wolloch , Pedro O. Bedolla , Peter Mohn , Josef Redinger , András Vernes

We use electronic structure calculations based upon density functional theory to search for ideal plasmonic materials among the alkali noble intermetallics. Importantly, we use density functional perturbation theory to calculate the…

Optics · Physics 2021-08-24 Martin G. Blaber , Matthew D. Arnold , Michael J. Ford

A new way to understand why some inhomogeneous dielectric medium can be used for confining the light wave has been given by using non-Euclidean transformation optics. We show that special inhomogeneous dielectric medium, which corresponds…

Optics · Physics 2013-09-25 F. Sun

This study presents a detailed examination of the lattice distortions introduced by glancing incidence Focussed Ion Beam (FIB) milling. Using non-destructive multi-reflection Bragg coherent X-ray diffraction we probe damage formation in an…

Materials Science · Physics 2017-11-29 Felix Hofmann , Ross J. Harder , Wenjun Liu , Yuzi Liu , Ian K Robinson , Yevhen Zayachuk

We discuss the ultimate precision for ALR, and therefore for the weak mixing angle, at a high-luminosity Linear Collider. Drawing on our experience at the SLC, and considering various machine parameter sets for the NLC and for TESLA, it…

High Energy Physics - Experiment · Physics 2009-10-31 P. C. Rowson , M. Woods

We investigate the interaction of highly focused linearly polarized optical beams with a metal knife-edge both theoretically and experimentally. A high numerical aperture objective focusses beams of various wavelengths onto samples of…

Optics · Physics 2011-04-04 P. Marchenko , S. Orlov , C. Huber , P. Banzer , S. Quabis , U. Peschel , G. Leuchs

Strong interaction between light and matter waves, such as electron beams in electron microscopes, has recently emerged as a new tool for understanding entanglement. Here, we systematically investigate electron-light interactions from first…

Optics · Physics 2020-08-26 Nahid Talebi

By applying a scattering-wave theory, the electromagnetic response of an arbitrary array of multiple slits perforated on a metallic film and filled with different slit dielectric materials can be studied in an analytical way. Here, the…

Optics · Physics 2015-06-12 Danhong Huang , L. David Wellems

This report on Photon Colliders covers the following ``physics'' issues: physics motivation, possible luminosities, backgrounds, plans of works and international cooperation. More technical aspects such as accelerator issues, new ideas on…

High Energy Physics - Experiment · Physics 2007-05-23 Valery Telnov

We study effects of finite height and surrounding material on photonic crystal slabs of one- and two-dimensional photonic crystals with a pseudo-spectral method and finite difference time domain simulation methods. The band gap is shown to…

Optics · Physics 2009-11-10 A. Huttunen , K. Varis , K. Kataja , J. Aikio , P. Torma

We present a general solution for the radiation intensity in front of a purely absorbing slab moving toward an observer at constant speed and with a constant temperature. The solution is obtained by integrating the lab-frame radiation…

Computational Engineering, Finance, and Science · Computer Science 2020-09-07 Ryan G. McClarren , N. A. Gentile

We study the light scattered from randomly rough, one-dimensional self-affine fractal silver surfaces with nanoscale lower cutoff, illuminated by s- or p-polarized Gaussian beams a few microns wide. By means of rigorous numerical…

Disordered Systems and Neural Networks · Physics 2009-11-07 J. A. Sanchez-Gil , J. V. Garcia-Ramos , E. R. Mendez

We present an experimental study of a four beam optical lattice using the light scattered by the atoms in the lattice. We use both intensity correlations and observations of the transient behavior of the scattering when the lattice is…

The paper analyzes some experiments on Raman scattering by molecules adsorbed on the face (111) of silver monocrystals performed by A. Campion et al. From the existence of the forbidden line of benzene, the conclusion about existence of the…

Optics · Physics 2015-06-15 A. M. Polubotko
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