English
Related papers

Related papers: Self radiation force on a moving monopolar source

200 papers

We study the spontaneous emission of an excited atom close to an optical nanofiber and the resulting scattering forces. For a suitably chosen orientation of the atomic dipole, the spontaneous emission pattern becomes asymmetric and a…

Quantum Physics · Physics 2015-10-21 Stefan Scheel , Stefan Yoshi Buhmann , Christoph Clausen , Philipp Schneeweiss

We review the kinematic effects on a gravitational wave due to either a peculiar motion of the astrophysical source emitting it or a local motion of the observer. Working in the context of general relativity, we show at fully non-linear…

General Relativity and Quantum Cosmology · Physics 2024-10-17 Giulia Cusin , Cyril Pitrou , Camille Bonvin , Aurélien Barrau , Killian Martineau

The motion of a test particle in the gravitational field of a non-spherical source endowed with both mass and mass quadrupole moment is investigated when a test radiation field is also present. The background is described by the Erez-Rosen…

High Energy Astrophysical Phenomena · Physics 2015-06-23 Donato Bini , Andrea Geralico , Andrea Passamonti

An analysis is developed linking the form of the sound field from a circular source to the radial structure of the source, without recourse to far-field or other approximations. It is found that the information radiated into the field is…

Mathematical Physics · Physics 2015-05-20 Michael Carley

A detailed distribution of the force of electromagnetic radiation in and around dielectric media can be obtained by a direct application of the Lorentz law of force in conjunction with Maxwell's equations. We develop a theory of the force…

Optics · Physics 2012-07-12 Masud Mansuripur

Within the frame of macroscopic QED in linear, causal media, we study the radiation force of Casimir-Polder type acting on an atom which is positioned near dispersing and absorbing magnetodielectric bodies and initially prepared in an…

Quantum Physics · Physics 2016-08-16 Stefan Yoshi Buhmann , Ho Trung Dung , Ludwig Knöll , Dirk-Gunnar Welsch

We investigate the radiation of optical angular momentum by a dipole gas under uniform magnetic field with an unpolarized source at its center. Conservation of angular momentum implies that the radiation of angular momentum results in a…

Optics · Physics 2023-07-03 R. Le Fournis , B. A. Van Tiggelen

For an oscillating electric dipole in the shape of a small, solid, uniformly-polarized, spherical particle, we compute the self-field as well as the radiated electromagnetic field in the surrounding free space. The assumed geometry enables…

Classical Physics · Physics 2020-08-21 Masud Mansuripur , Per K. Jakobsen

A method is presented for the reconstruction of rotating monopole source distributions using acoustic pressures measured on a sideline parallel to the source axis. The method requires no \textit{a priori} assumptions about the source other…

Fluid Dynamics · Physics 2009-11-13 Michael Carley

Synthetic magnetism in cold atomic gases opened the doors to many exciting novel physical systems and phenomena. Ubiquitous are the methods used for the creation of synthetic magnetic fields. They include rapidly rotating Bose-Einstein…

Quantum Gases · Physics 2015-09-09 N. Šantić , T. Dubček , D. Aumiler , H. Buljan , T. Ban

In this work, we first obtain the linear form of the scalar self-force and then, the effect of self-force on the particle's trajectory is considered. In de Sitter space-time, within the classical approach, we consider this effect. Finally,…

General Relativity and Quantum Cosmology · Physics 2012-04-24 M. Fathi , M. Tanhayi-Ahari , M. R. Tanhayi , F. Tavakoli

Polarisable atoms and molecules experience the Casimir-Polder force near magnetoelectric bodies, a force that is induced by quantum fluctuations of the electromagnetic field and the matter. Atoms and molecules in relative motion to a…

Quantum Physics · Physics 2010-01-04 Stefan Scheel , Stefan Yoshi Buhmann

Acoustic radiation force and torque arising from wave scattering are commonly used to manipulate micro-objects without contact. We applied the partial wave expansion series and the conformal transformation approach to estimate the radiation…

Computational Engineering, Finance, and Science · Computer Science 2022-11-16 Tianquan Tang , Lixi Huang

The Doppler effect, the shift in the frequency of sound due to motion, is present in both classical gases and quantum superfluids. Here, we perform an in-situ, minimally destructive measurement, of the persistent current in a ring-shaped,…

Quantum Gases · Physics 2016-06-07 A. Kumar , N. Anderson , W. D. Phillips , S. Eckel , G. K. Campbell , S. Stringari

In this paper, we concern the generation of attractive net motion with respect to the location of external wave source for active spherical carriers. Here we recall that the exerted acoustic radiation force in an acoustic field, resulting…

Applied Physics · Physics 2023-02-02 Hossein Khodavirdi , Majid Rajabi

The force on electric and magnetic dipoles moving in vacuo is discussed in the general case of time-variable non-uniform fields and time-variable dipole moments, to first order in v/c and neglecting radiation reaction. Emphasis is given to…

Classical Physics · Physics 2016-12-07 G. Asti , R. Coïsson

The present study concerns the dynamic radiation force on solid elastic spheres exerted by a plane wave with two frequencies (bichromatic wave) considering the nonlinearity of the fluid. Our approach is based on solving the wave scattering…

Fluid Dynamics · Physics 2009-11-13 Glauber T. Silva

Extending physics/0701092, a light source of monochromatic radiation, in rectilinear motion under constant proper acceleration, passes near an observer at rest. In the context of special relativity, we describe the observed Doppler effect.…

General Physics · Physics 2008-10-15 F. M. Paiva , A. F. F. Teixeira

The recoil optical force and torque acting on an electromagnetic dipole are typically derived by computing the imbalance in radiated linear and angular electromagnetic momentum coming from the source, using Maxwell stress tensor…

We suggest a dynamical mechanism for angular sorting of subwavelength particles in accord with their resonances and sizes, realised with the forces imposed by acoustic (ultrasound) waves with different wavelengths. We analyse how the…

Classical Physics · Physics 2025-08-19 Ivan Toftul , Yuri Kivshar , Mikhail Lapine