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We develop a Maxwell-Schroedinger formalism in order to describe the radiative interaction mechanism between semiconductor quantum dots. We solve the Maxwell equations for the electromagnetic field coupled to the polarization field of a…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Gaetano Parascandolo , Vincenzo Savona

We demonstrate how the combination of oscillating magnetic forces and radio-frequency (RF) pulses endows RF photons with tunable momentum. We observe velocity-selective spinflip transitions and the associated Doppler shift. This realizes…

To probe this question, we perform a statistical analysis using the first Canadian Hydrogen Intensity Mapping Experiment Fast Radio Burst (CHIME/FRB) catalog and identify a few discriminant properties between repeating and non-repeating…

High Energy Astrophysical Phenomena · Physics 2022-03-09 Shu-Qing Zhong , Wen-Jin Xie , Can-Min Deng , Long Li , Zi-Gao Dai , Hai-Ming Zhang

The studies of collective oscillations induced by higher-order interactions point out the necessity of group effect in coupling modelization. As yet the related advances are mainly concentrated on nonlinear coupling patterns and cannot be…

Adaptation and Self-Organizing Systems · Physics 2022-03-31 Cong Liu , Chong-Yang Wang , Zhi-Xi Wu , Jian-Yue Guan

The effect of exchange interactions within spin pairs on spin-dependent transport and recombination rates through localized states in semiconductors during coherent electron spin resonant excitation is studied theoretically. It is shown…

Materials Science · Physics 2008-01-09 A. Gliesche , C. Michel , V. Rajevac , K. Lips , S. D. Baranovskii , F. Gebhard , C. Boehme

The effect of radiation polarization attended with the motion of spinning charge in the magnetic field could be viewed through the classical theory of self-interaction. The quantum expression for the polarization time follows from the…

High Energy Physics - Theory · Physics 2007-05-23 S. L. Lebedev

A new paradigm emerging in the description of magnetic-sensitive radical-ion-pair recombination reactions is presented. This paradigm is founded on the realization that the recombination process of radical-ion pairs is a continuous quantum…

Quantum Physics · Physics 2008-06-05 I. K. Kominis

Effect of external periodic force on an oscillatory order in a reaction diffusion system (Gierer Meinhardt model) has been investigated. The 2:1 resonance situation is found susceptible for the generation of a band of phase instabilities.…

Pattern Formation and Solitons · Physics 2007-05-23 A. Bhattacharyay , J. K. Bhattacherjee

Two-dimensional optical spectroscopy experiments have shown that exciton transfer pathways in the Fenna-Matthews-Olson (FMO) photosynthetic complex differ drastically under reduced and oxidised conditions, suggesting a functional role for…

The effects of a radiation field (RF) on the interaction process of a relativistic electron beam (REB) with an electron plasma are investigated. The stopping power of the test electron averaged with a period of the RF has been calculated…

Plasma Physics · Physics 2014-03-06 Hrachya B. Nersisyan , Claude Deutsch

This paper addresses the RF link budget of a communication system using unusual waves carrying an orbital angular momentum (OAM) in order to clearly analyse the fundamental changes for telecommunication applications. The study is based on a…

Understanding the mechanisms underlying general anesthesia would be a key step towards understanding consciousness. The process of xenon-induced general anesthesia has been shown to involve electron transfer, and the potency of xenon as a…

Biological Physics · Physics 2021-03-22 Jordan Smith , Hadi Zadeh Haghighi , Dennis Salahub , Christoph Simon

We formulate a multiple-encounter model of the radical pair mechanism that is based on a random coupling of the radical pair to a minimal model environment. These occasional pulse-like couplings correspond to the radical encounters and give…

Quantum Physics · Physics 2015-02-12 Jens Clausen , Gian Giacomo Guerreschi , Markus Tiersch , Hans J. Briegel

A number of black hole X-ray transients show quasi-periodic oscillations (QPOs) in the optical (ultraviolet) and X-ray bands at the same frequency, which challenge models for production of radiation at these wavelengths. We propose a model…

High Energy Astrophysical Phenomena · Physics 2015-03-18 Alexandra Veledina , Juri Poutanen

One widely discussed mechanism to produce highly coherent radio emission of fast radio bursts (FRBs) is coherent emission by bunches, either via curvature radiation or inverse Compton scattering (ICS). It has been suggested that the plasma…

High Energy Astrophysical Phenomena · Physics 2022-11-09 Yuanhong Qu , Bing Zhang , Pawan Kumar

The self-excitation of plasma series resonance (PSR) oscillations is a prominent feature in the current of low pressure capacitive radio frequency (RF) discharges. This resonance leads to high frequency oscillations of the charge in the…

Plasma Physics · Physics 2016-02-11 Edmund Schuengel , Steven Brandt , Ihor Korolov , Aranka Derzsi , Zoltan Donko , Julian Schulze

Fast radio bursts (FRBs) are extremely energetic radio transients, some are generated in magnetar magnetospheres and winds. Despite a growing number of observations, their emission mechanisms remain elusive. It has recently been proposed…

High Energy Astrophysical Phenomena · Physics 2026-02-27 Jens F. Mahlmann , Logan Eskildsen , Arno Vanthieghem , Dawei Dai , Lorenzo Sironi

Recent observations of coherent radiation from the Crab pulsar (Bij et al 2021) suggest the emission is driven by an ultra - relativistic ($\gamma \sim 10^4$), cold plasma flow. A relativistically expanding plasma shell can compress the…

High Energy Astrophysical Phenomena · Physics 2022-08-03 Almog Yalinewich , Ue-Li Pen

Waveform shaping and frequency synthesis based on waveform modulation is ubiquitous in electronics, telecommunication technology, and optics. For optical waveforms, the carrier frequency is on the order of several hundred THz, while the…

A statistical model for the polarization of pulsar radio emission is enhanced to account for the heavy modulation of the emission, the possible covariance of the Stokes parameters, and the observed asymmetries in the distributions of total…

High Energy Astrophysical Phenomena · Physics 2022-10-12 M. M. McKinnon