Diffusion metamaterials
Diffusion and wave propagation are both fundamental transport mechanisms, but they have
intrinsically different dynamics, governing equations, and applications. Over the past …
intrinsically different dynamics, governing equations, and applications. Over the past …
Multiscale modeling of plasma–surface interaction—General picture and a case study of Si and SiO2 etching by fluorocarbon-based plasmas
P Vanraes, S Parayil Venugopalan… - Applied Physics …, 2021 - pubs.aip.org
The physics and chemistry of plasma–surface interaction is a broad domain relevant to
various applications and several natural processes, including plasma etching for …
various applications and several natural processes, including plasma etching for …
GENE-X: A full-f gyrokinetic turbulence code based on the flux-coordinate independent approach
D Michels, A Stegmeir, P Ulbl, D Jarema… - Computer Physics …, 2021 - Elsevier
Understanding and predicting plasma turbulence in the scrape-off layer of a magnetic
confinement fusion device is a key open problem in modern plasma physics. The transitional …
confinement fusion device is a key open problem in modern plasma physics. The transitional …
Verification and validation of integrated simulation of energetic particles in fusion plasmas
S Taimourzadeh, EM Bass, Y Chen, C Collins… - Nuclear …, 2019 - iopscience.iop.org
This paper reports verification and validation of linear simulations of Alfvén eigenmodes in
the current ramp phase of DIII-D L-mode discharge# 159243 using gyrokinetic, gyrokinetic …
the current ramp phase of DIII-D L-mode discharge# 159243 using gyrokinetic, gyrokinetic …
Intercode comparison of gyrokinetic global electromagnetic modes
Aiming to fill a corresponding lack of sophisticated test cases for global electromagnetic
gyrokinetic codes, a new hierarchical benchmark is proposed. Starting from established test …
gyrokinetic codes, a new hierarchical benchmark is proposed. Starting from established test …
Pullback scheme implementation in ORB5
The pullback scheme is implemented in the global gyrokinetic particle-in-cell code ORB5
(Jolliet et al., 2007 [1]) to mitigate the cancellation problem in electromagnetic simulations …
(Jolliet et al., 2007 [1]) to mitigate the cancellation problem in electromagnetic simulations …
Gyrokinetic investigation of Alfvén instabilities in the presence of turbulence
The nonlinear dynamics of beta-induced Alfvén eigenmodes (BAEs) driven by energetic
particles (EPs) in the presence of ion-temperature-gradient turbulence is investigated, by …
particles (EPs) in the presence of ion-temperature-gradient turbulence is investigated, by …
Gyrokinetic modeling of anisotropic energetic particle driven instabilities in tokamak plasmas
B Rettino, T Hayward-Schneider, A Biancalani… - Nuclear …, 2022 - iopscience.iop.org
Energetic particles produced by neutral beams are observed to excite energetic-particle-
driven geodesic acoustic modes in tokamaks. We study the effects of anisotropy of …
driven geodesic acoustic modes in tokamaks. We study the effects of anisotropy of …
Second order gyrokinetic theory for particle-in-cell codes
The main idea of the gyrokinetic dynamical reduction consists in a systematical removal of
the fast scale motion (the gyromotion) from the dynamics of the plasma, resulting in a …
the fast scale motion (the gyromotion) from the dynamics of the plasma, resulting in a …
A gyrokinetic model for the plasma periphery of tokamak devices
A gyrokinetic model is presented that can properly describe large and small amplitude
electromagnetic fluctuations occurring on scale lengths ranging from the electron Larmor …
electromagnetic fluctuations occurring on scale lengths ranging from the electron Larmor …