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A new code for evaluation of light absorption and scattering by interstellar dust grains is presented. The radiative transfer problem is solved using ray-tracing algorithm in a self-consistent and highly efficient way. The code demonstrates…

Astrophysics · Physics 2007-05-23 D. Semionov , V. Vansevicius

Motivated by new sounding-rocket wide-field polarimetric images of the Large Magellanic Cloud, we have used a three-dimensional Monte Carlo radiation transfer code to investigate the escape of near-ultraviolet photons from young stellar…

Astrophysics · Physics 2016-08-30 Andrew A. Cole , Kenneth Wood , Kenneth H. Nordsieck

The venerable NOD2 data reduction software package for single-dish radio continuum observations, developed for use at the 100-m Effelsberg radio telescope, has been successfully applied over many decades. Modern computing facilities call…

Instrumentation and Methods for Astrophysics · Physics 2017-10-11 Peter Müller , Marita Krause , Rainer Beck , Philip Schmidt

We introduce the new version of SimProp, a Monte Carlo code for simulating the propagation of ultra-high energy cosmic rays in intergalactic space. This version, SimProp v2r3, allows the choice of many more models for the extragalactic…

High Energy Astrophysical Phenomena · Physics 2016-02-12 Roberto Aloisio , Denise Boncioli , Armando di Matteo , Aurelio Grillo , Sergio Petrera , Francesco Salamida

We present a new three-dimensional Monte-Carlo code MUSIC (MUon SImulation Code) for muon propagation through the rock. All processes of muon interaction with matter with high energy loss (including the knock-on electron production) are…

High Energy Physics - Phenomenology · Physics 2011-05-23 P. Antonioli , C. Ghetti , E. V. Korolkova , V. A. Kudryavtsev , G. Sartorelli

Significance: Monte Carlo radiation transfer (MCRT) is the gold standard of modeling light transport in turbid media. Typical MCRT models use voxels or meshes to approximate experimental geometry. A voxel based geometry does not allow for…

Graphics · Computer Science 2022-11-23 Lewis McMillan , Graham D. Bruce , Kishan Dholakia

In a multi-electrode device, the motion of free charge carriers generated by ionizing radiation induces currents on all the electrodes surrounding the active region [1]. The amount of charge induced in each sensitive electrode is a function…

Materials Science · Physics 2014-03-14 Jacopo Forneris , David Jamieson , Gabriele Giacomini , Changyi Yang , Ettore Vittone

High-dimensional visual computer models are poised to revolutionize the space mission design process. The circular restricted three-body problem (CR3BP) gives rise to high-dimensional toroidal manifolds that are of immense interest to…

Graphics · Computer Science 2025-04-08 Dante Basile , Xavier Tricoche , Martin Lo

As the 3D spatial properties of exoplanet atmospheres are being observed in increasing detail by current and new generations of telescopes, the modelling of the 3D scattering effects of cloud forming atmospheres with inhomogeneous opacity…

Earth and Planetary Astrophysics · Physics 2021-06-04 Elspeth Lee , Kenneth Wood , Ian Dobbs-Dixon , Anna Rice , Christiane Helling

Multispectral imaging plays a critical role in a range of intelligent transportation applications, including advanced driver assistance systems (ADAS), traffic monitoring, and night vision. However, accurate visible and thermal (RGB-T)…

Computer Vision and Pattern Recognition · Computer Science 2025-04-18 Xi Tong , Xing Luo , Jiangxin Yang , Yanpeng Cao

We describe an approach for incorporating radiative transfer into 3D hydrodynamic cosmological simulations. The method, while approximate, allows for a self-consistent treatment of self-shielding and shadowing, diffuse and point sources of…

Astrophysics · Physics 2007-05-23 Michael L. Norman , Paschalis Paschos , Tom Abel

In this work we present a novel 3D Monte Carlo photon transport program for simulation of multiple refractive scattering based on the refractive properties of X-rays in highly scattering media, like lung tissue. Multiple scattering reduces…

Medical Physics · Physics 2010-02-03 A. N. Khromova , L. Rigon , F. Arfelli , R. H. Menk , H. J. Besch , H. Plothow-Besch

In this paper and a companion paper we present the DIRTY model, a Monte Carlo radiative transfer code, self-consistently including dust heating and emission, and accounting for the effects of the transient heating of small grains. The code…

Astrophysics · Physics 2008-11-26 K. A. Misselt , K. D. Gordon , G. C. Clayton , M. J. Wolff

Direct imaging has paved the way for atmospheric characterization of young and self-luminous gas giants. Scattering in a horizontally-inhomogeneous atmosphere causes the disk-integrated polarization of the thermal radiation to be linearly…

Earth and Planetary Astrophysics · Physics 2018-11-09 Tomas Stolker , Michiel Min , Daphne M. Stam , Paul Mollière , Carsten Dominik , Rens Waters

The radiative transport of photons through arbitrary three-dimensional (3D) structures of dust is a challenging problem due to the anisotropic scattering of dust grains and strong coupling between different spatial regions. The radiative…

Astrophysics of Galaxies · Physics 2017-07-19 K. D. Gordon , M. Baes , S. Bianchi , P. Camps , M. Juvela , R. Kuiper , T. Lunttila , K. A. Misselt , G. Natale , T. Robitaille , J. Steinacker

A \ce{(LaVO_3)_6/(SrVO_3)_3} superlattice is studied with a combination of sub-{\AA} resolved scanning transmission electron microscopy and monochromated electron energy-loss spectroscopy. The V oxidation state is mapped with atomic spatial…

Free-space modulation of light is crucial for many applications, from light detection and ranging to virtual or augmented reality. Traditional means of modulating free-space light involves spatial light modulators based on liquid crystals…

We present the results of a three-dimensional Monte Carlo radiative transfer code for starless molecular cloud cores heated by an external isotropic or non-isotropic interstellar radiation field. The code computes the dust temperature…

Astrophysics · Physics 2009-11-10 J. Goncalves , D. Galli , M. Walmsley

The ionization mechanisms of low-ionization nuclear emission-line regions (LINERs), which are common in the local Universe, have been debated for decades. Our nearest large neighbor, M31, is classified as a LINER based on its optical…

Astrophysics of Galaxies · Physics 2026-03-02 Zongnan Li , Zhiyuan Li , Sumin Wang , Ruben Garcia-Benito , Yifei Jin

We present a review of the TORUS radiation transfer and hydrodynamics code. TORUS uses a 1-D, 2-D or3-D adaptive mesh refinement scheme to store and manipulate the state variables, and solves the equation of radiative transfer using Monte…

Solar and Stellar Astrophysics · Physics 2019-03-18 Tim Harries , Tom Haworth , David Acreman , Ahmad Ali , Tom Douglas
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