187 citations · 1.1k across the 27 of their papers we have counts for
27 papers
Magnetic field amplification in cosmological zoom simulations from dwarf galaxies to galaxy groups
Ruediger Pakmor, Rebekka Bieri, Freeke van de Voort +6
Magnetic fields are ubiquitous in the Universe. Recently, cosmological simulations of galaxies have successfully begun to incorporate magnetic fields and their evolution in galaxie…
Two-dimensional simulations of internal gravity waves in a 5 Zero-Age-Main-Sequence model
A. Le Saux, I. Baraffe, T. Guillet +5
Main-sequence intermediate-mass stars present a radiative envelope that supports internal gravity waves (IGWs). Excited at the boundary with the convective core, IGWs propagate tow…
Spin-orbit torque switching in 2D ferromagnet / topological insulator heterostructure grown by molecular beam epitaxy
Thomas Guillet, Regina V. Galcera, Juan F. Sierra +4
Topological insulators (TIs) are a promising class of materials for manipulating the magnetization of an adjacent ferromagnet (FM) through the spin-orbit torque (SOT) mechanism. Ho…
A study of convective core overshooting as a function of stellar mass based on two-dimensional hydrodynamical simulations
I. Baraffe, J. Clarke, A. Morison +6
We perform two-dimensional numerical simulations of core convection for zero-age-main-sequence stars covering a mass range from 3 to 20 . The simulations are per…
The MillenniumTNG Project: The hydrodynamical full physics simulation and a first look at its galaxy clusters
Ruediger Pakmor, Volker Springel, Jonathan P. Coles +12
Cosmological simulations are an important theoretical pillar for understanding nonlinear structure formation in our Universe and for relating it to observations on large scales. In…
High-order Discontinuous Galerkin hydrodynamics with sub-cell shock capturing on GPUs
Miha Cernetic, Volker Springel, Thomas Guillet +1
Hydrodynamical numerical methods that converge with high-order hold particular promise for astrophysical studies, as they can in principle reach prescribed accuracy goals with high…
Impact of radial truncation on global 2D hydrodynamic simulations for a Sun-like model
D. G. Vlaykov, I. Baraffe, T. Constantino +5
Stellar convection is a non-local process responsible for the transport of heat and chemical species. It can lead to enhanced mixing through convective overshooting and excitation…
Two-dimensional simulations of solar-like models with artificially enhanced luminosity. II. Impact on internal gravity waves
A. Le Saux, T. Guillet, I. Baraffe +7
Artificially increasing the luminosity and the thermal diffusivity of a model is a common tactic adopted in hydrodynamical simulations of stellar convection. In this work, we analy…
Local heating due to convective overshooting and the solar modelling problem
Baraffe I, Constantino T, Clarke J +5
Recent hydrodynamical simulations of convection in a solar-like model suggest that penetrative convective flows at the boundary of the convective envelope modify the thermal backgr…
Bilinear magnetoresistance in HgTe topological insulator: opposite signs at opposite interfaces demonstrated by gate control
Yu Fu, Jing Li, Jules Papin +12
Spin-orbit effects appearing in topological insulators (TI) and at Rashba interfaces are currently revolutionizing how we can manipulate spins and have led to several newly discove…
Dynamics in a stellar convective layer and at its boundary: Comparison of five 3D hydrodynamics codes
R. Andrassy, J. Higl, H. Mao +18
Our ability to predict the structure and evolution of stars is in part limited by complex, 3D hydrodynamic processes such as convective boundary mixing. Hydrodynamic simulations he…
Two-dimensional simulations of solar-like models with artificially enhanced luminosity -- I. Impact on convective penetration
I. Baraffe, J. Pratt, D. G. Vlaykov +4
We perform 2D, fully compressible, time-implicit simulations of convection in a solar-like model with the MUSIC code. Our main motivation is to explore the impact of a common tacti…
Suppression of lithium depletion in young low-mass stars from fast rotation
Thomas Constantino, Isabelle Baraffe, Thomas Goffrey +4
We compute rotating 1D stellar evolution models that include a modified temperature gradient in convection zones and criterion for convective instability inspired by rotating 3D hy…
Coexistence of ferromagnetism and spin-orbit coupling by incorporation of platinum in two-dimensional VSe
E. Vélez-Fort, A. Hallal, R. Sant +20
We report on a novel material, namely two-dimensional (2D) VPtSe alloy, exhibiting simultaneously ferromagnetic order and Rashba spin-orbit coupling. While ferromag…
Large Rashba unidirectional magnetoresistance in the Fe/Ge(111) interface states
T. Guillet, C. Zucchetti, A. Marty +8
The structure inversion asymmetry at surfaces and interfaces give rise to the Rashba spin-orbit interaction (SOI), that breaks the spin degeneracy of surface or interface states. H…
Electrical detection of magnetic circular dichroism: application to magnetic microscopy in ultra-thin ferromagnetic films
T. Guillet, A. Marty, C. Vergnaud +2
Imaging the magnetic configuration of thin-films has been a long-standing area of research. Since a few years, the emergence of two-dimensional ferromagnetic materials calls for in…
Spin-orbitronics at a topological insulator-semiconductor interface
T. Guillet, C. Zucchetti, A. Marchionni +9
Topological insulators (TIs) hold great promises for new spin-related phenomena and applications thanks to the spin texture of their surface states. However, a versatile platform a…
Magnetising the circumgalactic medium of disk galaxies
Ruediger Pakmor, Freeke van de Voort, Rebekka Bieri +7
The circumgalactic medium (CGM) is one of the frontiers of galaxy formation and intimately connected to the galaxy via accretion of gas on to the galaxy and gaseous outflows from t…
The valley Nernst effect in WSe
Minh-Tuan Dau, Céline Vergnaud, Alain Marty +9
The Hall effect can be extended by inducing a temperature gradient in lieu of electric field that is known as the Nernst (-Ettingshausen) effect. The recently discovered spin Nerns…
Observation of Large Unidirectional Rashba Magnetoresistance in Ge(111)
T. Guillet, C. Zucchetti, Q. Barbedienne +8
Relating magnetotransport properties to specific spin textures at surfaces or interfaces is an intense field of research nowadays. Here, we investigate the variation of the electri…
Magnetotransport in BiSe thin films epitaxially grown on Ge(111)
T. Guillet, A. Marty, C. Beigné +6
Topological insulators (TIs) like BiSe are a class of material with topologically protected surface states in which spin-momentum locking may enable spin-polarized and defe…
Faraday rotation maps of disk galaxies
Ruediger Pakmor, Thomas Guillet, Christoph Pfrommer +5
Faraday rotation is one of the most widely used observables to infer the strength and configuration of the magnetic field in the ionised gas of the Milky Way and nearby spiral gala…
High-order Magnetohydrodynamics for Astrophysics with an Adaptive Mesh Refinement Discontinuous Galerkin Scheme
Thomas Guillet, Rüdiger Pakmor, Volker Springel +2
Modern astrophysical simulations aim to accurately model an ever-growing array of physical processes, including the interaction of fluids with magnetic fields, under increasingly s…
Magnetic field formation in the Milky Way-like disk galaxies of the Auriga project
Ruediger Pakmor, Facundo A. Gomez, Robert J. J. Grand +8
The magnetic fields observed in the Milky~Way and nearby galaxies appear to be in equipartition with the turbulent, thermal, and cosmic ray energy densities, and hence are expected…