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Related papers: Modeling the Thermal Structure of a Protoplanetary…

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For testing different electron temperature ($T_{\rm e}$) prescriptions in general relativistic magnetohydrodynamics (GRMHD) simulations through observations, we propose to utilize linear polarization (LP) and circular polarization (CP)…

High Energy Astrophysical Phenomena · Physics 2022-06-01 Yuh Tsunetoe , Shin Mineshige , Tomohisa Kawashima , Ken Ohsuga , Kazunori Akiyama , Hiroyuki R. Takahashi

In order to study chromospheric magnetosonic wave propagation including, for the first time, the effects of ion-neutral interactions in the partially ionized solar chromosphere, we have developed a new multi-fluid computational model,…

Solar and Stellar Astrophysics · Physics 2017-03-08 Yana G. Maneva , Alejandro A. Laguna , Andrea Lani , Stefaan Poedts

In this work, we present a comprehensive numerical framework that couples numerical solutions of Maxwell's equations using the Finite-Difference Time-Domain (FDTD) approach, Molecular Dynamics (MD), and the Two-Temperature Model (TTM) to…

Materials Science · Physics 2026-01-29 Othmane Benhayoun , Martin E. Garcia

Many computational studies on hotspot microfluidic cooling devices found in the literature rely on simplified assumptions and conventions that do not capture the full complexity of the conjugate thermal problem, such as constant…

Fluid Dynamics · Physics 2024-05-09 L. G. Chej , A. G. Monastra , M. F. Carusela

Models for the structure of protoplanetary disks have so far been based on the assumption that the gas and the dust temperature are equal. The gas temperature, an essential ingredient in the equations of hydrostatic equilibrium of the disk,…

Astrophysics · Physics 2009-11-10 I. Kamp , C. P. Dullemond

A non-ideal MHD collapse calculation employing the axisymmetric thin-disk approximation is used to resolve cloud core collapse down to the scales of the second (stellar) core. Rotation and a magnetic braking torque are included in the…

Solar and Stellar Astrophysics · Physics 2013-08-19 Shantanu Basu , Wolf B. Dapp , Matthew W. Kunz

By means of radiative transfer simulation we study the evolution of the far-infrared colours of protoplanetary discs undergoing inside-out dispersal, often referred to as transition discs. We show that a brightening of the mid and…

Earth and Planetary Astrophysics · Physics 2016-11-04 Barbara Ercolano , Christine Koepferl , James Owen , Thomas Robitaille

We study correlation effects and temperature dependencies in the electronic structure of thin ferromagnetic local-moment films. In a first step the Kondo-lattice model is investigated as a candidate for a proper representation of…

Strongly Correlated Electrons · Physics 2015-06-24 W. Nolting , C. Santos

We present a self-consistent model of a protoplanetary disk: 'ANDES' ('AccretioN disk with Dust Evolution and Sedimentation'). ANDES is based on a flexible and extendable modular structure that includes 1) a 1+1D frequency-dependent…

Solar and Stellar Astrophysics · Physics 2015-06-12 V. Akimkin , S. Zhukovska , D. Wiebe , D. Semenov , Ya. Pavlyuchenkov , A. Vasyunin , T. Birnstiel , Th. Henning

Modeling the dynamics of most astrophysical structures requires an adequate description of the radiation-matter interaction. Several numerical (magneto)hydrodynamics codes were upgraded with a radiation module to fulfill this request.…

Instrumentation and Methods for Astrophysics · Physics 2019-11-06 Salvatore Colombo , Laurent Ibgui , Salvatore Orlando , Raphael Rodriguez , Guadalupe Espinosa , Matthias González , Chantal Stehlé , Giovanni Peres

The vertical temperature structure of a protoplanetary disk bears on several processes relevant to planet formation, such as gas and dust grain chemistry, ice lines and convection. The temperature profile is controlled by irradiation from…

Earth and Planetary Astrophysics · Physics 2020-05-07 William Béthune , Henrik Latter

The dynamic behaviour of periodic thermodiffusive multi-layered media excited by harmonic oscillations is studied. In the framework of linear thermodiffusive elasticity, periodic laminates, whose elementary cell is composed by an arbitrary…

Computational Engineering, Finance, and Science · Computer Science 2021-10-06 Francesca Fantoni , Lorenzo Morini , Andrea Bacigalupo , Marco Paggi

By combining ab initio quantum mechanics calculation and Drude model, electron temperature and lattice temperature dependent electron thermal conductivity is calculated and implemented into a multiscale model of laser material interaction,…

Computational Physics · Physics 2016-11-07 Pengfei Ji , Yuwen Zhang

In this Letter we report the measurement of a pseudo-temperature for compacting granular media on the basis of the Fluctuation-Dissipation relations in the aging dynamics of a model system. From the violation of the Fluctuation-Dissipation…

Statistical Mechanics · Physics 2009-11-07 Vittoria Colizza , Alain Barrat , Vittorio Loreto

The Latent Diffusion Model (LDM) has demonstrated strong capabilities in high-resolution image generation and has been widely employed for Pose-Guided Person Image Synthesis (PGPIS), yielding promising results. However, the compression…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Jiaqi Liu , Jichao Zhang , Paolo Rota , Nicu Sebe

The presence of stable, compact circumbinary discs of gas and dust around post-asymptotic giant branch (post-AGB) binary systems has been well established. We focus on one such system: IRAS 08544-4431. We present an interferometric…

Solar and Stellar Astrophysics · Physics 2021-06-16 A. Corporaal , J. Kluska , H. Van Winckel , D. Bollen , D. Kamath , M. Min

We compute thermal and quantum fluctuations in the background of a domain wall in a scalar field theory at finite temperature using the exact scalar propagator in the subspace orthogonal to the wall's translational mode. The propagator…

High Energy Physics - Phenomenology · Physics 2014-11-17 Carlos A. A. de Carvalho

The evolution of many astrophysical systems depends strongly on the balance between heating and cooling, in particular star formation in giant molecular clouds and the evolution of young protostellar systems. Protostellar discs are…

Solar and Stellar Astrophysics · Physics 2024-05-10 Alison K. Young , Maggie Celeste , Richard A. Booth , Ken Rice , Adam Koval , Ethan Carter , Dimitris Stamatellos

While solar flares are primarily associated with enhanced ultraviolet and X-ray emission, a subset of flares exhibit significant continuum brightening in visible light and are classified as white-light flares (WLFs). Despite extensive…

Solar and Stellar Astrophysics · Physics 2026-01-01 Samuel Granovsky , Alexander G. Kosovichev , Irina N. Kitiashvili , Alan A. Wray

In order to account for non-Fourier heat transport, occurring on short time and length scales, the often-praised Dual-Phase-Lag (DPL) model was conceived, introducing a causality relation between the onset of heat flux and the temperature…

Mesoscale and Nanoscale Physics · Physics 2019-08-23 Marco Gandolfi , Giulio Benetti , Christ Glorieux , Claudio Giannetti , Francesco Banfi