English
Related papers

Related papers: Application of the Scrape-Off-Layer Fast Ion (SOLF…

200 papers

The STOKES Monte Carlo radiative transfer code has been extended to model the velocity dependence of the polarization of emission lines. We use STOKES to present improved modelling of the velocity-dependent polarization of broad emission…

High Energy Astrophysical Phenomena · Physics 2015-06-17 Rene W. Goosmann , C. Martin Gaskell , Frederic Marin

In this work, we present SoFT: Solar Feature Tracking, a novel feature-tracking tool developed in Python and designed to detect, identify, and track magnetic elements in the solar atmosphere. It relies on a watershed segmentation algorithm…

Solar and Stellar Astrophysics · Physics 2024-12-10 M. Berretti , M. Stangalini , S. Mestici , D. B. Jess , S. Jafarzadeh , F. Berrilli

The dynamic interplay between the core and the edge plasma has important consequences in the confinement and heating of fusion plasma. The transport of the Scrape-Off-Layer (SOL) plasma imposes boundary conditions on the core plasma, and…

Plasma Physics · Physics 2022-12-29 X. Zhang , F. M. Poli , E. D. Emdee , M. Podestà

Coronagraph instruments on future space telescopes will enable the direct detection and characterization of Earth-like exoplanets around Sun-like stars for the first time. The quest for the optimal optical coronagraph designs has made rapid…

Instrumentation and Methods for Astrophysics · Physics 2018-08-30 G. Ruane , A. Riggs , C. T. Coker , S. B. Shaklan , E. Sidick , D. Mawet , J. Jewell , K. Balasubramanian , C. C. Stark

Unlike normal fluorescent methods that use the intensity as a direct measurement of the localized enhanced field, we use blinking statistics of quantum dots (QDs). We have already shown that blinking gives a more accurate characterization…

Chemical Physics · Physics 2017-11-02 Robert C. Boutelle , Xiyu Yi , Daniel Neuhauser , Shimon Weiss

A new method for the inclusion of ionizing radiation from uniform radiation fields into 3D Smoothed Particle Hydrodynamics (SPHI) simulations is presented. We calculate the optical depth for the Lyman continuum radiation from the source…

Astrophysics · Physics 2009-10-31 O. Kessel-Deynet , A. Burkert

In recent years, computational Time-of-Flight (ToF) imaging has emerged as an exciting and a novel imaging modality that offers new and powerful interpretations of natural scenes, with applications extending to 3D, light-in-flight, and…

Image and Video Processing · Electrical Eng. & Systems 2024-11-05 Ruiming Guo , Ayush Bhandari

We describe the data processing of the Survey on extragALactic magnetiSm with SOFIA (SALSA Legacy Program). This first data release presents 33% (51.34h out of 155.7h, including overheads) of the total awarded time taken from January 2020…

The SOL width is a parameter of paramount importance in modern tokamaks as it controls the power density deposited at the divertor plates, critical for plasma-facing material survivability. An understanding of the parameters controlling it…

Plasma Physics · Physics 2018-08-15 I. Keramidas Charidakos , J. R. Myra , S. Parker , S. Ku , R. M. Churchill , R. Hager , C. S. Chang

Indirect time-of-flight (iToF) imaging allows us to capture dense depth information at a low cost. However, iToF imaging often suffers from multipath interference (MPI) artifacts in the presence of scattering media, resulting in severe…

Computer Vision and Pattern Recognition · Computer Science 2023-07-03 Daniel S. Jeon , Andreas Meuleman , Seung-Hwan Baek , Min H. Kim

The radiation observed in quasars and active galactic nuclei is mainly produced by a relativistic plasma orbiting close to the black hole event horizon, where strong gravitational effects are relevant. The observational data of such systems…

General Relativity and Quantum Cosmology · Physics 2022-02-02 Velásquez-Cadavid J. M. , Arrieta-Villamizar J. A. , F. D. Lora-Clavijo , O. M. Pimentel , Osorio-Vargas J. E

To resolve the effective neutrino mass $m_\beta$ with an energy resolution of 50~meV, the PTOLEMY experiment has proposed a novel transverse electromagnetic filtering process. Substantially reducing the kinetic energy of tritium…

The study of photoionized environments is fundamental to many astrophysical problems. Up to the present most photoionization codes have numerically solved the equations of radiative transfer by making the extreme simplifying assumption of…

Astrophysics · Physics 2009-11-07 B. Ercolano , M. J. Barlow , P. J. Storey , X. -W. Liu

We introduce SurfFlow, an open-source high-throughput workflow package designed for automated first-principles calculations of surface energies in arbitrary crystals. Our package offers a comprehensive solution capable of handling…

Materials Science · Physics 2023-11-07 Firat Yalcin , Michael Wolloch

We investigate a topological switch between second-order topological insulators (SOTIs) and topological crystalline insulators (TCIs). Both the SOTI and the TCI are protected by the mirror and inversion symmetries, for which we define the…

Mesoscale and Nanoscale Physics · Physics 2018-09-19 Motohiko Ezawa

Fermi acceleration is believed as a crucial process for the acceleration of energetic electrons within flux ropes (FRs) during magnetic reconnection. However, in finite-length FRs with a large core field, the finite contracting and the…

Space Physics · Physics 2025-06-12 Z. H. Zhong , H. Zhang , M. Zhou , D. B. Graham , R. X. Tang , X. H. Deng , Yu. V. Khotyaintsev

We present results of atomic-level simulations of damage formation along the paths of swift heavy ions (SHI) decelerated in the electronic stopping regime in amorphous polyethylene. The applied model combines the Monte-Carlo code TREKIS-3,…

Materials Science · Physics 2024-09-18 P. Babaev , R. Voronkov , A. E. Volkov

This paper explains how to obtain the distribution function of minority ions in tokamak plasmas using the Monte Carlo method. Since the emphasis is on energetic ions, the guiding-center transformation is outlined, including also the…

Implicit and explicit raytracing-photoionisation algorithms have been implemented in the author's radiation-magnetohydrodynamics code. The algorithms are described briefly and their efficiency and parallel scaling are investigated. The…

Astrophysics of Galaxies · Physics 2012-01-31 Jonathan Mackey

We present the public Monte Carlo photoionization and moving-mesh radiation hydrodynamics code CMacIonize, which can be used to simulate the self-consistent evolution of HII regions surrounding young O and B stars, or other sources of…

Instrumentation and Methods for Astrophysics · Physics 2018-02-28 Bert Vandenbroucke , Kenneth Wood