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Spin-blockaded quantum dots provide a unique setting for studying nuclear-spin dynamics in a nanoscale system. Despite recent experimental progress, observing phase-sensitive phenomena in nuclear spin dynamics remains challenging. Here we…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 M. S. Rudner , I. Neder , L. S. Levitov , B. I. Halperin

We study the propagation of a linearly polarized laser beam in the external transverse magnetic field taking into consideration the vacuum polarization by arbitrary spin particles. Induced ellipticity of the beam are evaluated using the…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. I. Kruglov

We use ab-initio electromagnetic simulations to investigate light absorption by rough surfaces in the context of the formation of laser-induced periodic surface structures. Our approach involves modeling a realistic rough surface using a…

Optics · Physics 2024-05-20 Vladimir Yu. Fedorov , Jean-Philippe Colombier

We present a comprehensive investigation of the radio polarization properties within the theory of natural electromagnetic wave modes in pulsar magnetospheres. Taking into account the curvature of the field lines, aberration effects and…

Astrophysics · Physics 2007-05-23 Alexis von Hoensbroech , Harald Lesch , Thomas Kunzl

High-flux polarized particle beams are of critical importance for the investigation of spin-dependent processes, such as in searches of physics beyond the Standard Model, as well as for scrutinizing the structure of solids and surfaces in…

Plasma Physics · Physics 2019-05-31 Meng Wen , Matteo Tamburini , Christoph H. Keitel

We investigate, both theoretically and experimentally, the phenomenon of polarization rotation of a weak, linearly-polarized optical (probe) field in an atomic system with multiple three-level electromagnetically induced transparency (EIT)…

Quantum Physics · Physics 2009-11-13 Shujing Li , Bo Wang , Xudong Yang , Yanxu Han , Hai Wang , Min Xiao , K. C. Peng

Under the introduction of any interface in its trajectory, an optical beam experiences polarization-dependent deflections in the longitudinal and transverse directions with respect to the plane of incidence. The physics of such optical beam…

In vacuum high-intensity lasers can cause photon-photon interaction via the process of virtual vacuum polarization which may be measured by the phase velocity shift of photons across intense fields. In the optical frequency domain, the…

High Energy Physics - Phenomenology · Physics 2015-05-27 Kensuke Homma , Dieter Habs , Toshiki Tajima

High quality CdS nanowires suspended in air were optically pumped both below and above the lasing threshold. The polarization of the pump laser was varied while emission out of the end facet of the nanowire was monitored in a 'head-on'…

Mesoscale and Nanoscale Physics · Physics 2015-04-01 Robert Röder , Daniel Ploss , Arian Kriesch , Robert Buschlinger , Sebastian Geburt , Ulf Peschel , Carsten Ronning

The nanoscale mode volumes of surface plasmon polaritons have enabled plasmonic lasers and condensates with ultrafast operation. Most plasmonic lasers are based on noble metals, rendering the optical mode structure inert to external fields.…

We derive an expression for the local transverse polarization of a boost-invariant expanding system of massive particles, which involves a set of dynamical spin moments. Starting from spin kinetic theory, we obtain a closed set of equations…

High Energy Physics - Phenomenology · Physics 2023-12-12 Nora Weickgenannt , Jean-Paul Blaizot

This work aims to study theoretically the electron-proton scattering for initially spin-polarized electrons in the presence of a circularly polarized electromagnetic field. Using the first Born approximation and the Dirac-Volkov states for…

High Energy Physics - Phenomenology · Physics 2022-07-13 I. Dahiri , M. Baouahi , M. Jakha , S. Mouslih , B. Manaut , S. Taj

Advances in the ability to manipulate free electron phase profiles within the electron microscope have spurred development of quantum-mechanical descriptions of electron energy loss (EEL) processes involving transitions between phase-shaped…

Mesoscale and Nanoscale Physics · Physics 2024-02-09 Marc R. Bourgeois , Austin G. Nixon , Matthieu Chalifour , David J. Masiello

All-optical switching in a ferromagnetic spin valve is studied here using atomistic spin drift-diffusion dynamics, which includes contributions from spin pumping and superdiffusive transport. We find the switching is governed principally by…

Mesoscale and Nanoscale Physics · Physics 2026-02-23 Serban Lepadatu , Mohammed Gija , Alexey Dobrynin , Kevin McNeill , Mark Gubbins , Tim Mercer , Steven M. McCann , Philip Bissell

Introducing spin-polarized carriers in semiconductor lasers reveals an alternative path to realize room-temperature spintronic applications, beyond the usual magnetoresistive effects. Through carrier recombination, the angular momentum of…

Using a covariant and angular-momentum-conserved chiral transport model, which takes into account the spin-orbit interactions of chiral fermions in their scatterings via the side jumps, we study the quark spin polarization in quark matter.…

Nuclear Theory · Physics 2020-08-12 Shuai Y. F. Liu , Yifeng Sun , Che Ming Ko

The dynamics of modes and their states of polarizations in multimode fibers as a function of time, space, and wavelength are experimentally and theoretically investigated. The results reveal that the states of polarizations are displaced in…

The influence of linearly and circularly polarized laser fields on the dynamics of fast electron-impact excitation in atomic helium is discussed. A detailed analysis is made in the excitation of 2^1S, 3^1S and 3^1D dressed states of helium…

Optics · Physics 2009-10-31 O. El Akramine , A. Makhoute , D. Khalfl , A. Maquet , R. Taieb

We examine a regime in which a linearly-polarized laser pulse with relativistic intensity irradiates a sub-critical plasma for much longer than the characteristic electron response time. A steady-state channel is formed in the plasma in…

Plasma Physics · Physics 2016-05-25 A. V. Arefiev , V. N. Khudik , A. P. L. Robinson , G. Shvets , L. Willingale , M. Schollmeier