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We present a theoretical treatment of light scattering by an ensemble of N dipoles, taking into account recurrent multiple scattering. We study the intrinsic optical properties of collective dipolar systems without specifying a particular…

量子物理 · 物理学 2020-04-21 Antoine Canaguier-Durand , Astrid Lambrecht , Serge Reynaud

We consider a quantum theory of elastic light scattering from a macroscopic atomic sample existing in the Bose-Einstein condensate (BEC) phase. The dynamics of the optical excitation induced by an incident photon is influenced by the…

量子物理 · 物理学 2018-05-09 V. M. Porozova , L. V. Gerasimov , M. D. Havey , D. V. Kupriyanov

A consistent theory, which describes the incoherent scattering of classically moving relativistic particles by the nuclei of crystal planes without any phenomenological parameter is presented. The basic notions of quantum mechanics are…

加速器物理 · 物理学 2021-03-05 Victor V. Tikhomirov

Many practical applications require the analysis of electromagnetic scattering properties of local structures using different sources of illumination. The Optical Theorem (OT) is a useful result in scattering theory, relating the extinction…

光学 · 物理学 2020-08-11 Irving Rondon , Francisco Soto-Eguibar

We discuss scattering from pairs of isospectral quantum graphs constructed using the method described in [1, 2]. It was shown in [3] that scattering matrices of such graphs have the same spectrum and polar structure, provided that infinite…

数学物理 · 物理学 2016-01-19 Ram Band , Adam Sawicki , Uzy Smilansky

Compton scattering of low-frequency radiation by an isotropic distribution of (i) mildly and (ii) ultra relativistic electrons is considered. It is shown that the ensemble-averaged differential cross-section in this case is noticeably…

天体物理学 · 物理学 2011-05-23 Sergei Y. Sazonov , Rashid A. Sunyaev

This paper explores the connections between particle scattering and quantum information theory in the context of the non-relativistic, elastic scattering of two spin-1/2 particles. An untangled, pure, two-particle in-state is evolved by an…

量子物理 · 物理学 2009-11-11 N. L. Harshman

We achieve efficient shaping of superscattering by radially anisotropic nanowires relying on resonant multipolar interferences. It is shown that the radial anisotropy of refractive index can be employed to resonantly overlap electric and…

光学 · 物理学 2017-09-13 Wei Liu

The paper presents a method for calculation of non-spherical particle T-matrices based on the volume integral equation and the spherical vector wave function basis, and relies on the Generalized Source Method rationale. The developed method…

计算物理 · 物理学 2019-05-22 Alexey A. Shcherbakov

We review recent progress in analysing wave scattering in systems with both intrinsic chaos and/or disorder and internal losses, when the scattering matrix is no longer unitary. By mapping the problem onto a nonlinear supersymmetric…

介观与纳米尺度物理 · 物理学 2007-05-23 Y. V. Fyodorov , D. V. Savin , H. -J. Sommers

We present a theory of light scattering consistent with modern physics. We proposed a spatial-temporal model of a photon based on classical model of atomic oscillator. Using this photon model, we established a criterion for single vs…

光学 · 物理学 2021-07-15 V. V. Semak , M. N. Shneider

This paper extends a recently introduced theory describing particle transport for random statistically homogeneous systems in which the distribution function p(s) for chord lengths between scattering centers is non-exponential. Here, we…

数学物理 · 物理学 2016-02-03 Richard Vasques , Edward W. Larsen

We provide a complete and exact quantum description of coherent light scattering in a one-dimensional multi-mode transmission line coupled to a two-level emitter. Using recently developed scattering approach we discuss transmission…

量子物理 · 物理学 2015-07-07 Mikhail Pletyukhov , Vladimir Gritsev

We theoretically study the propagation of light through a cold atomic medium, where the effects of motion, laser intensity, atomic density, and polarization can all modify the properties of the scattered light. We present two different…

量子物理 · 物理学 2016-08-24 Bihui Zhu , John Cooper , Jun Ye , Ana Maria Rey

The light scattering spectra of molecular liquids are derived within a generalized hydrodynamics. The wave vector and scattering angle dependences are given in the most general case and the change of the spectral features from liquid to…

统计力学 · 物理学 2011-08-12 T. Franosch , M. Fuchs , A. Latz

Electric anapole states, arising due to the destructive interferences of primitive and toroidal electric dipole moments, have been recently introduced as the fundamental class of non-scattering sources with several potential applications…

光学 · 物理学 2023-04-24 Hooman Barati Sedeh , Natalia M. Litchinitser

The redshift of light is calculated for an anisotropic cosmological spacetime. Two different approaches are considered. In the first one, electromagnetic waves are modeled using the geometrical optics (high--frequency) approximation. This…

广义相对论与量子宇宙学 · 物理学 2018-05-10 Sergio A. Hojman , Felipe A. Asenjo

The article discusses how the pattern of elastic scattering of an electron on a pair of identical atomic spheres will look if we abandon the standard in the molecular physics assumption that, outside the molecular sphere, in the external…

原子物理 · 物理学 2022-09-20 A. S. Baltenkov , I. Woiciechowski

We study the spectral and scattering theory of light transmission in a system consisting of two asymptotically periodic waveguides, also known as one-dimensional photonic crystals, coupled by a junction. Using analyticity techniques and…

数学物理 · 物理学 2021-04-15 Giuseppe De Nittis , Massimo Moscolari , Serge Richard , Rafael Tiedra de Aldecoa

We study theoretically the scattering of light by an ensemble of $N$ resonant atoms in a sub-wavelength volume. We consider the low intensity regime so that each atom responds linearly to the field. While $N$ non-interacting atoms would…

原子物理 · 物理学 2020-02-26 N. J. Schilder , C. Sauvan , Y. R. P. Sortais , A. Browaeys , J. -J. Greffet
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