Results 21 to 30 of about 91,859 (302)

Analytical Approach to Two‐Dimensional Full Reflections of Fast Magnetosonic Waves Due To Mesoscale Density Boundaries

open access: yesGeophysical Research Letters, 2023
Propagation of fast magnetosonic (MS) waves in the equatorial plane has attracted a growing attention in recent studies. Although computer simulations including ray tracing, PIC, and full wave simulations have been utilized to study the propagation of MS
Xiongdong Yu, Zhigang Yuan, Fei Yao
doaj   +1 more source

RELXILL_NK: A Black Hole Relativistic Reflection Model for Testing General Relativity

open access: yesProceedings, 2019
In this paper, we briefly present relxill_nk, the first and currently only readily available model of the relativistic reflection spectrum of black hole accretion disks that includes non-Kerr solutions for the black hole spacetime, thus allowing for ...
Askar B. Abdikamalov   +2 more
doaj   +1 more source

Magnetospherically reflected chorus waves revealed by ray tracing with CLUSTER data [PDF]

open access: yesAnnales Geophysicae, 2003
This paper is related to the propagation characteristics of a chorus emission recorded simultaneously by the 4 satellites of the CLUSTER mission on 29 October 2001 between 01:00 and 05:00 UT.
M. Parrot   +4 more
doaj   +1 more source

How fast is a twisted photon? [PDF]

open access: yes, 2017
Recent measurements have highlighted that spatially shaped photons travel slower than c, the speed of monochromatic, plane waves in vacuum. Here we investigate the intrinsic delay introduced by `twisting' a photon, i.e.
Faccio, Daniele   +7 more
core   +3 more sources

Photochemistry and Heating/Cooling of the Multiphase Interstellar Medium with UV Radiative Transfer for Magnetohydrodynamic Simulations

open access: yesThe Astrophysical Journal Supplement Series, 2022
We present an efficient heating/cooling method coupled with chemistry and UV radiative transfer that can be applied to numerical simulations of the interstellar medium (ISM).
Jeong-Gyu Kim   +3 more
doaj   +1 more source

Ray-optical negative refraction and pseudoscopic imaging with Dove-prism arrays [PDF]

open access: yes, 2008
A sheet consisting of an array of small, aligned Dove prisms can locally (on the scale of the width of the prisms) invert one component of the ray direction.
  +6 more
core   +2 more sources

Weighing the Light Gravitino Mass with Weak Lensing Surveys [PDF]

open access: yes, 2013
We explore the discovery potential of light gravitino mass m_{3/2} by combining future cosmology surveys and collider experiments. The former probe the imprint of light gravitinos in the cosmic matter density field, whereas the latter search signatures ...
Kamada, Ayuki   +2 more
core   +2 more sources

Numerical Analysis of the Partial Penetration High Power Laser Beam Welding of Thick Sheets at High Process Speeds

open access: yesMetals, 2021
The present work is devoted to the numerical analysis of the high-power laser beam welding of thick sheets at different welding speeds. A three-dimensional transient multi-physics numerical model is developed, allowing for the prediction of the keyhole ...
Antoni Artinov   +3 more
doaj   +1 more source

ROBAST: Development of a ROOT-Based Ray-Tracing Library for Cosmic-Ray Telescopes and its Applications in the Cherenkov Telescope Array

open access: yes, 2015
We have developed a non-sequential ray-tracing simulation library, ROOT-based simulator for ray tracing (ROBAST), which is aimed to be widely used in optical simulations of cosmic-ray (CR) and gamma-ray telescopes.
Noda, Koji   +2 more
core   +1 more source

Home - About - Disclaimer - Privacy