English
Related papers

Related papers: The magnetopolaron effect in light reflection and …

200 papers

We evaluate the electric dipole absorption in small metal particles in a longitudinal electric field taking into account the Fermi-Thomas screening. When either the level broadening or the frequency of the field are larger than the mean…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 R. A. Serota , B. Goodman

Electron-hole excitation theory is used to unveil the role of nuclear quantum effects on the X-ray absorption spectral signatures of water, whose structure is computed via path-integral molecular dynamics with the MB-pol intermolecular…

Chemical Physics · Physics 2018-09-30 Zhaoru Sun , Lixin Zheng , Mohan Chen , Michael L. Klein , Francesco Paesani , Xifan Wu

We show how to compute the optical functions of Wide Parabolic Quantum Wells (WPQWs) exposed to uniform electric F applied in the growth direction, in the excitonic energy region. The effect of the coherence between the electron-hole pair…

Mesoscale and Nanoscale Physics · Physics 2015-07-31 Sylwia Zielińska-Raczyńska , Gerard Czajkowski , David Ziemkiewicz

We present a theory for the diffraction of large molecules or nanoparticles at a standing light wave. Such particles can act as a genuine photon absorbers due to their numerous internal degrees of freedom effecting fast internal energy…

Quantum Physics · Physics 2016-10-26 Kai Walter , Stefan Nimmrichter , Klaus Hornberger

We consider the magnetoelectric effect produced by a capacitor formed by two semispherical perfectly conducting plates subjected to a potential difference and surrounded by a spherical shell of a topologically insulating material. The…

Mesoscale and Nanoscale Physics · Physics 2020-07-21 Daniel G. Velázquez , L. F. Urrutia

We consider the quantum radiation from a partially reflecting moving mirror for the massless scalar field in 1+1 Minkowski space. Partial reflectivity is achieved by localizing a delta-type potential at the mirror's position. The radiated…

General Relativity and Quantum Cosmology · Physics 2011-07-19 Nistor Nicolaevici

Within the framework of zero-range potential model in the ap-proach of effective mass, the impurity absorption by the complex Quantum Dot-Impurity Center in an external constant uniform magnetic field is considered. Under condition that the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 V. D. Krevchik , A. B. Grunin , A. K. Aringazin , M. B. Semenov

The theoretical analysis and numerical simulations of the magnetron operation with a feedback loop were performed assuming that the delay of the electromagnetic wave propagating in the loop is constant whereas the phase of the complex…

Classical Physics · Physics 2015-05-28 Y. P. Bliokh , Ya. E. Krasik , J. Felsteiner

We derive from first principles the momentum exchange between a photon and a quantum mirror upon reflection, by considering the boundary conditions imposed by the mirror surface on the photon wave equation. We show that the system generally…

Quantum Physics · Physics 2016-02-26 Raul Corrêa , Pablo L. Saldanha

We present a model for electron scattering off nuclei and photon absorption in the resonance energy region (W <= 2 GeV). The elementary gamma/gamma* N-vertex is described using in-medium kinematics and up-to-date form factors for…

Nuclear Theory · Physics 2008-09-16 O. Buss , T. Leitner , U. Mosel , L. Alvarez-Ruso

Nonperturbative coupling between cavity photons and excitons leads to formation of hybrid light-matter excitations termed polaritons. In structures where photon absorption leads to creation of excitons with aligned permanent dipoles, the…

Mesoscale and Nanoscale Physics · Physics 2018-11-30 Emre Togan , Hyang-Tag Lim , Stefan Faelt , Werner Wegscheider , Atac Imamoglu

The emergence of photonic quantum correlations is typically associated with emitters strongly coupled to a photonic mode. Here, we show that semiconductor Rydberg excitons, which are only weakly coupled to a free-space light mode can…

Mesoscale and Nanoscale Physics · Physics 2023-08-02 Valentin Walther , Anders S. Sørensen

Intra and intersubband scattering rates and electron capture rates are considered when mediated by hybrid optical phonons in an AlAs/GaAs/AlAs double heterostructure confined between two outer metallic barriers. In evaluating scattering…

Mesoscale and Nanoscale Physics · Physics 2010-03-24 V. N. Stavrou , C. R. Bennett , O. M. M. Al-Dossary , M. Babiker

We investigate theoretically and numerically quantum reflection of dark solitons propagating through an external reflectionless potential barrier or in the presence of a position-dependent dispersion. We confirm that quantum reflection…

Pattern Formation and Solitons · Physics 2022-01-11 L. Al Sakkaf , T. Uthayakumar , U. Al Khawaja

The Lloyd model is extended to the exciton problem in quasi one-dimensional structures to study the interplay between the Coulomb attraction and disorder scattering. Within this model the averaging and resummation of the locator series can…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Christian Fuchs , Ralph v. Baltz

In this paper we study reflection of holes in direct-band semiconductors from the linear potential barrier. It is shown that light-heavy hole transformation matrix is universal. It depends only on a dimensionless product of the light hole…

Materials Science · Physics 2007-05-23 Anatoli Polkovnikov , Robert Suris

The nature of the correlated electron gas and its response to photo-injected electron-hole pairs in nominally undoped and modulation-doped multiple quantum-well (MQW) structures was studied by experiment and theory, revealing a new type of…

Condensed Matter · Physics 2009-11-07 H. A. Nickel , T. Yeo , C. J. Meining , D. R. Yakovlev , M. Furis , A. B. Dzyubenko , B. D. McCombe , A. Petrou

We investigate theoretically the effect of a magnetic field on intersubband polaritons in an asymmetric quantum well placed inside an optical resonator. It is demonstrated that the field-induced diamagnetic shift of electron subbands in the…

Mesoscale and Nanoscale Physics · Physics 2016-07-28 A. A. Pervishko , O. V. Kibis , I. A. Shelykh

A strongly asymmetric, Fano-like resonance profile has been found for magneto-absorption in the states of hot free electron-hole pairs scattered by defects in bulk semiconductors. The renormalization of the absorption profile, compared to…

Condensed Matter · Physics 2007-05-23 V. I. Belitsky , A. Cantarero , S. T. Pavlov

We derive an exact expression for the radiation pressure of a quasi- monochromatic plane wave incident from the free space onto the flat surface of a semi-infinite dielectric medium. In order to account for the total optical momentum…

Optics · Physics 2014-01-29 Masud Mansuripur