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Two-dimensionality of the scattering events in a Bose-Einstein condensate introduces a logarithmic dependence on density in the coupling constant entering a mean-field theory of the equilibrium density profile, which becomes dominant as the…

统计力学 · 物理学 2007-05-23 B. Tanatar , A. Minguzzi , P. Vignolo , and M. P. Tosi

We present a theory of light scattering consistent with modern physics. We proposed a spatial-temporal model of a photon based on classical model of atomic oscillator. Using this photon model, we established a criterion for single vs…

光学 · 物理学 2021-07-15 V. V. Semak , M. N. Shneider

Most of the known literature on Inverse Compton Scattering (ICS) is based on earliest theoretical attempts and later approximations led by F.C.Jones and J.B.Blumenthal. We found an independent and more general analytical procedure which…

天体物理学 · 物理学 2026-02-24 D. Fargion , R. V. Konoplich , A. Salis

Systems consisting of identical bosons with a large scattering length satisfy universal relations determined by 2-body physics that are similar to those for fermions with two spin states. They require the momentum distribution to have a…

量子气体 · 物理学 2011-05-05 Eric Braaten , Daekyoung Kang , Lucas Platter

Percolation clusters are probably the simplest example for scale--invariant structures which either are governed by isotropic scaling--laws (``self--similarity'') or --- as in the case of directed percolation --- may display anisotropic…

凝聚态物理 · 物理学 2009-10-22 E. Frey , U. C. Täuber , F. Schwabl

In this paper, we propose using the scattering surface area rather than the scattering cross section to characterize the scattering behavior of ellipsoidal rigid bodies. We examined the scattering behavior of ellipsoidal rigid bodies,…

光学 · 物理学 2025-04-21 Youning Li

An ion and a polar molecule interact by an anisotropic ion-dipole potential scaling as $- \alpha \cos (\theta)/r^2$ at large distances. Due to its long-range character, it modifies the properties of angular wave functions, which are no…

原子物理 · 物理学 2021-03-03 Tomasz Wasak , Zbigniew Idziaszek

Electromagnetic wave scattering from a perfectly reflecting self-affine surface is considered. Within the framework of the Kirchhoff approximation, we show that the scattering cross section can be exactly written as a function of the…

统计力学 · 物理学 2010-05-05 Ingve Simonsen , Damien Vandembroucq , Stephane Roux

A one-dimensional generalized nonlinear Schroedinger equation is considered, and the corresponding inverse scattering problem is analyzed when the potential is compactly supported and depends on the wave function. The unique recovery of the…

数学物理 · 物理学 2007-05-23 Tuncay Aktosun , Vassilis G. Papanicolaou , Vassilis Zisis

The transverse beam spin induced asymmetry is calculated for the scattering of transversally polarized electrons on a proton target within a realistic model. Such asymmetry is due to the interference between the Born amplitude and the…

高能物理 - 唯象学 · 物理学 2007-05-23 E. A. Kuraev , E. Tomasi-Gustafsson , S. Bakmaev , Yu. M. Bystritskiy , V. V. Bytev

Polarized Compton scattering on the deuteron is studied in nuclear effective field theory. A set of tensor structures is introduced to define 12 independent Compton amplitudes. The scalar and vector amplitudes are calculated up to ${\cal…

核理论 · 物理学 2009-11-10 Jiunn-Wei Chen , Xiangdong Ji , Yingchuan Li

The scattering cross sections of the unpolarized electromagnetic and gravitational waves are shown to be equal for the extreme Reissner-Nordstr\"om black hole using $N=2$ supergravity. The conversion cross sections between the unpolarized…

广义相对论与量子宇宙学 · 物理学 2015-11-04 Luís C. B. Crispino , Sam R. Dolan , Atsushi Higuchi , Ednilton S. de Oliveira

Freely oriented small anisotropic grains and molecules depolarize radiation both in single scattering and in the process of multiple scattering. Especially large depolarization occurs for resonant scattering corresponding to the electron…

太阳与恒星天体物理 · 物理学 2015-06-17 N. A. Silant'ev , G. A. Alekseeva , V. V. Novikov

Scattering of electrons/positrons by external classical electromagnetic wave packet is considered in infrared limit. In this limit the scattering operator exists and produces physical effects, although the scattering cross-section is…

高能物理 - 理论 · 物理学 2015-06-04 Andrzej Herdegen

The general structure of the cross section of $\gamma N$ scattering with polarized photon and/or nucleon in initial and/or final state is systematically described and exposed through invariant amplitudes. A low-energy expansion of the cross…

高能物理 - 唯象学 · 物理学 2009-09-25 D. Babusci , G. Giordano , A. I. L'vov , G. Matone , A. M. Nathan

The elastic scattering of twisted electrons by diatomic molecules is studied within the framework of the non-relativistic first Born approximation. In this process, the coherent interaction of incident electrons with two molecular centers…

原子物理 · 物理学 2018-10-17 A. V. Maiorova , S. Fritzsche , R. A. Mueller , A. Surzhykov

By the use of Green's second integral identity we determine the field scattered from a two-dimensional randomly rough isotropic or anisotropic Dirichlet or Neumann surface when it is illuminated by a scalar Gaussian beam. The integral…

The cross sections of fragments produced in 140 $A$ MeV $^{40,48}$Ca + $^9$Be and $^{58,64}$Ni + $^9$Be reactions are calculated by the statistical abration-ablation(SAA) model and compared to the experimental results measured at the…

核理论 · 物理学 2009-03-19 C. W. Ma , H. L. Wei , J. Y. Wang , G. J. Liu , Y. Fu , D. Q. Fang , W. D. Tian , X. Z. Cai , H. W. Wang , Y. G. Ma

In this paper in a framework of classical electrodynamics, we re-derived in a simple way the formula for the light scattering by moving particle with arbitrary angle of collision.

加速器物理 · 物理学 2016-05-06 E. G. Bessonov , M. V. Gorbunkov , A. V. Vinogradov , Yu. Ya. Maslova , A. A. Mikhailchenko

Numerical solutions for Sommerfeld model in nonrelativistic case are presented for the scattering of a spinless extended charged body in a static Coulomb field of a fixed point charge. It is shown that differential cross section for…

经典物理 · 物理学 2007-05-23 Alexander A. Vlasov