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Collective phenomena in strongly nonequilibrium systems interacting with electromagnetic field are considered. Such systems are described by complicated nonlinear differential or integro-differential equations. The aim of this review is to…

凝聚态物理 · 物理学 2007-05-23 V. I. Yukalov , E. P. Yukalova

Kinetic approaches provide an effective description of the process of particle acceleration at shock fronts and allow to take into account the dynamical reaction of the accelerated particles as well as the amplification of the turbulent…

天体物理学 · 物理学 2009-11-13 Elena Amato , Pasquale Blasi , Stefano Gabici

Beam tracking software for accelerators typically falls into two categories: fast envelope simulations limited to linear beam optics, and slower multiparticle simulations that can model nonlinear effects. To find a middle ground between…

加速器物理 · 物理学 2017-08-02 Ben Folsom , Emanuele Laface

Cosmic-ray acceleration processes in astrophysical plasmas are often investigated with fully-kinetic or hybrid kinetic numerical simulations, which enable us to describe a detailed microphysics of particle energization mechanisms. Tracing…

高能天体物理现象 · 物理学 2025-02-12 Gabriel Torralba Paz , Artem Bohdan , Jacek Niemiec

A consistent derivation of the equations of motion (EOMs) of test particles for solving the spin-dependent Boltzmann-Vlasov equation is presented. The resulting EOMs in phase space are similar to the canonical equations in Hamiltonian…

核理论 · 物理学 2016-07-13 Yin Xia , Jun Xu , Bao-An Li , Wen-Qing Shen

The dynamical reaction of the particles accelerated at a shock front by the first order Fermi process can be determined within kinetic models that account for both the hydrodynamics of the shocked fluid and the transport of the accelerated…

天体物理学 · 物理学 2009-11-11 P. Blasi , S. Gabici , G. Vannoni

A test particle in a noncoplanar orbit about a member of a binary system can undergo Kozai-Lidov oscillations in which tilt and eccentricity are exchanged. An initially circular highly inclined particle orbit can reach high eccentricity. We…

太阳与恒星天体物理 · 物理学 2021-08-04 Stephen H. Lubow

We discuss the leading order correction to the equation of motion of a particle with spin on an arbitrary spacetime. A particle traveling in a curved spacetime is known to trace a geodesic of the background spacetime if the mass of the…

广义相对论与量子宇宙学 · 物理学 2007-05-23 Yasushi Mino , Misao Sasaki , Takahiro Tanaka

Capture, selective collection and flight manipulation of airborne particulate are three important functional requirements in various actively growing aerosol technology applications. Aerodynamic drag, particle inertia and dielectrophoretic…

软凝聚态物质 · 物理学 2022-03-16 Pramodt Srinivasula , Rochish M Thaokar

Tracking a real trajectory of a quantum particle still has been treated as the interpretation problem. It shall be expressed by a Brownian (stochastic) motion suggested by E. Nelson, however, the well-defined mechanism of field generation…

数学物理 · 物理学 2017-08-25 Keita Seto

The classical dynamics of particles with (non-)abelian charges and spin moving on curved manifolds is established in the Poisson-Hamilton framework. Equations of motion are derived for the minimal quadratic Hamiltonian and some extensions…

高能物理 - 理论 · 物理学 2025-04-15 Jan W. van Holten

Electromagnetic particle is considered as appropriate particle solution of nonlinear electrodynamics. Mass, spin, charge, and dipole moment for the electromagnetic particle are defined. Classical motion equations for massive charged…

高能物理 - 理论 · 物理学 2007-05-23 Alexander A. Chernitskii

Here we study the polaronic transport through molecules weakly connected to metallic electrodes in the nonlinear response regime. Molecule itself is treated as a quantum dot with discrete energy levels, its connection to the electrodes is…

介观与纳米尺度物理 · 物理学 2007-07-22 Kamil Walczak

Asymptotic behavior of the scattering amplitude for two scalar particles by scalar, vector and tensor exchanges at high energy and fixed momentum transfers is reconsidered in quantum field theory. In the framework of the quasi-potential…

高能物理 - 理论 · 物理学 2008-05-02 Nguyen Suan Han , Nguyen Nhu Xuan

We derive a relativistically covariant (although not manifestly so) equation for the distribution function of particles accelerated at shocks, which applies also to extremely relativistic shocks, and arbitrarily anisotropic particle…

天体物理学 · 物理学 2009-11-07 Mario Vietri

We analyze numerically the correspondence between the mechanical action, experienced by a spherical microparticle, and the internal energy flows as well as spatial and polarization inhomogeneity of the light field incident on the particle.…

光学 · 物理学 2011-02-22 Aleksandr Bekshaev , Svetlana Sviridova

We track particle motions in a granular material subjected to compaction using a laser scattering based imaging method where compaction is achieved through thermal cycling. Particle displacements in this jammed fluid correlate strongly with…

软凝聚态物质 · 物理学 2013-05-29 Steven Slotterback , Masahiro Toiya , Leonard Goff , Jack F. Douglas , Wolfgang Losert

We discuss an approach to compute two-particle scattering amplitudes for spinless particles colliding at Planckian centre-of-mass energies, with increasing momentum transfer away from the eikonal limit. For electrically neutral particles,…

高能物理 - 理论 · 物理学 2015-06-26 Saurya Das , Parthasarathi Majumdar

In this work, I study the mixing of photons with pseudoscalar particles and vice-versa in the presence of an external magnetic field and a pseudoscalar field. I solve exactly for the first time in the literature the equations of motion of…

高能物理 - 理论 · 物理学 2021-05-11 Damian Ejlli

We investigate the motion of a suspended non-Brownian sphere past a fixed cylindrical or spherical obstacle in the limit of zero Reynolds number for arbitrary particle-obstacle aspect ratios. We consider both a suspended sphere moving in a…

流体动力学 · 物理学 2016-05-04 Sumedh R. Risbud , German Drazer