On the quadruple Beltrami fields in thermally relativistic electron-positron-ion plasmaA thermally relativistic electron-positron-ion (EPI) plasma self-organizes into a quadruple Beltrami (QB) field. The QB field, which is the combination of four Beltrami fields, is described by four…Usman Shazad, M. Iqbal·Jul 12, 2024SaveLearn
Modelling of warm dense hydrogen via explicit real time electron dynamics: Dynamic structure factorsWe present two methods for computing the dynamic structure factor for warm dense hydrogen without invoking either the Born-Oppenheimer approximation or the Chihara decomposition, by employing a…Pontus Svensson, Yusuf Aziz, Tobias Dornheim et al.·Jul 11, 2024SaveLearn
Comprehensive Gyrokinetic Study of Eigenstate Transitions in Fast Ion-Driven Electrostatic Drift InstabilitiesThis study comprehensively investigates fast ion-driven drift instability, extending the theory in [B. J. Kang and T. S. Hahm, Phys. Plasmas 26, 042501 (2019)]. The eigenmode equation, including the…ByungJun Kang, Hideo Sugama, Tomo-Hiko Watanabe et al.·Jul 11, 2024SaveLearn
Dielectric permittivity of electron plasma with laser beat wavesWithin the framework of the kinetic method, the process of interaction of a rarefied electron plasma with laser beat waves is investigated taking into account the initial spread in the velocities of…Anahit H. Shamamian, Lekdar A. Gevorgian, Hayk L. Gevorgyan·Jul 11, 2024SaveLearn
Kinetic Solitary Electrostatic Structures in Collisionless Plasma: Phase-Space HolesThe physics of isolated plasma potential structures sustained by a deficit of phase-space density on trapped orbits, commonly known as electron or ion holes, is reviewed. The principles of their…I H Hutchinson·Jul 11, 2024SaveLearn
Time evolutions of information entropies in a one-dimensional Vlasov-Poisson systemA one-dimensional Vlasov-Poisson system is considered to elucidate how the information entropies of the probability distribution functions of the electron position and velocity variables evolve in…K. Maekaku, H. Sugama, T. -H. Watanabe·Jul 10, 2024SaveLearn
Suppression and excitation condition of collision on instabilities of electrostatic plasmasTwo-stream (TS) and Bump-On-Tail (BOT) electron distributions can induce instabilities in collisionless plasmas, which is closely related to phenomena in space and fusion plasmas. Collisions can lead…Y. W. Hou, M. Y. Yu, J. F. Wang et al.·Jul 10, 2024SaveLearn
First demonstration of Super-X divertor exhaust control for transient heat load management in compact fusion reactorsNuclear fusion could offer clean, abundant energy. However, managing the immense power exhausted from the core fusion plasma towards the divertor remains a major challenge. This is compounded in…B. Kool, K. Verhaegh, G. L. Derks et al.·Jul 10, 2024SaveLearn
Investigating the Kinetic Effects on Current Gradient-Driven Instabilities of Electron Current Layers via Particle-in-Cell SimulationsElectron current layers, which form in various natural and laboratory plasmas, are susceptible to multiple instabilities, with tearing being a prominent instability driven by current gradients.…Sushmita Mishra, Gurudatt Gaur, Bhavesh G. Patel·Jul 9, 2024SaveLearn
Competition of magnetic reconnections in self-generated and external magnetic fieldsWe investigate the competition of magnetic reconnections in self-generated and external magnetic fields in laser-produced plasmas. The temporal evolution of plasma structures measured with…K. Sakai, T. Y. Huang, N. Khasanah et al.·Jul 9, 2024SaveLearn
A scalable multidimensional fully implicit solver for Hall magnetohydrodynamicsWe propose an optimally performant fully implicit algorithm for the Hall magnetohydrodynamics (HMHD) equations based on multigrid-preconditioned Jacobian-free Newton-Krylov methods. HMHD is a…Luis Chacon·Jul 9, 2024SaveLearn
Study of Breather Structures in the Framework of Gardner Equation in Electron-Positron-Ion PlasmasIn different nonlinear mediums, the wave trains carry energy and expose many amazing features. To describe a nonlinear phenomenon, a soliton is one that preserves its shape and amplitude even after…Snehalata Nasipuri, Swarniv Chandra, Uday Narayan Ghosh et al.·Jul 9, 2024SaveLearn
High Yield of Alpha Particles Generated in Proton-Boron Nuclear Fusion Reactions Induced in Solid Boron Hydride B18H22The use of solid boron hydride molecules as a fuel for proton-boron fusion was proposed by M. Krůs and M. Londesborough at "Interaction of Inorganic Clusters, Cages, and Containers with…M. Krůs, M. Ehn, M. Kozlová et al.·Jul 9, 2024SaveLearn
Power handling in a highly-radiative negative triangularity pilot plantThis work explores power handling solutions for high-field, highly-radiative negative triangularity (NT) reactors based around the MANTA concept rutherfordmanta2024. The divertor design is…M. A. Miller, D. Arnold, M. Wigram et al.·Jul 9, 2024SaveLearn
On the feasibility of Ohmically heated negative triangularity tokamak power plantsNegative triangularity tokamak plasmas feature naturally enhanced confinement in the so-called L-mode regime, irrespective of the power of external heating. This is in contrast to conventional…Alessandro Balestri, Justin Ball, Stefano Coda·Jul 8, 2024SaveLearn
Enhanced pedestal transport driven by edge collisionality on Alcator C-Mod and its role in regulating H-mode pedestal gradientsExperimental measurements of plasma and neutral profiles across the pedestal are used in conjunction with 2D edge modeling to examine pedestal stiffness in Alcator C-Mod H-mode plasmas. Experiments…M. A. Miller, J. W. Hughes, A. M. Rosenthal et al.·Jul 8, 2024SaveLearn
Electron-only reconnection and inverse magnetic-energy transfer at sub-ion scalesWe derive, and validate numerically, an analytical model for electron-only magnetic reconnection applicable to strongly magnetized plasmas. Our model predicts sub-ion-scale reconnection rates…Zhuo Liu, Caio Silva, Lucio M. Milanese et al.·Jul 8, 2024SaveLearn
Particle-In-Cell simulations of the filamentation process in magnetized radio-frequency plasmasIn a uniform radio-frequency (RF) plasma between a large electrode pair, the addition of an axial magnetic field induces diverse longitudinal filaments. To reveal its pattern dynamics, we conduct…Huidong Huang, Jian Chen, Zhibin Wang·Jul 8, 2024SaveLearn
Charged Particle Resonance In Induction FieldStarting from First Principles, the space charge manipulation of charged particles in an induction field in free space based on an unique Magnetic field strength and its oscillation Frequency…Devesh S. Bhosale·Jul 8, 2024SaveLearn
On the shifts of stable and unstable manifolds of a hyperbolic cycle under perturbationStable and unstable manifolds, originating from hyperbolic cycles, fundamentally characterize the behaviour of dynamical systems in chaotic regions. This letter demonstrates that their shifts under…Wenyin Wei, Jiankun Hua, Alexander Knieps et al.·Jul 8, 2024SaveLearn
Particle control via cryopumping and its impact on the edge plasma profiles of Alcator C-ModAt the high ne proposed for high-field fusion reactors, it is uncertain whether ionization, as opposed to plasma transport, will be most influential in determining ne at the pedestal and…M. A. Miller, J. W. Hughes, S. Mordijck et al.·Jul 8, 2024SaveLearn
Two methods to analyse radial diffusion ensembles: the peril of space- and time- dependent diffusionParticle dynamics in Earth's outer radiation belt can be modelled using a diffusion framework, where large-scale electron movements are captured by a diffusion equation across a single adiabatic…Sarah N. Bentley, J. Stout, Rhys Thompson et al.·Jul 5, 2024SaveLearn
Decoupling NO production and UV emission intensity over the E-H mode transition in a low-pressure inductively coupled plasma deviceA low-pressure double-inductively coupled plasma device is used to study the fundamental plasma parameters, plasma chemistry, and UV photon emission from the first excited state of nitric oxide,…Lars Schücke, Angie Natalia Torres Segura, Ihor Korolov et al.·Jul 5, 2024SaveLearn
The study of propagation characteristics of millimeter-wave vortex in magnetized plasma by using FDTD MethodIt is pointed out that millimeter-wave vortex may contribute an efficient plasma heating since it was found that the millimeter-wave vortex can propagate in magnetized plasma even in which the normal…Chenxu Wang, Hideki Kawaguchi, Hiroaki Nakamura et al.·Jul 5, 2024SaveLearn
The role of the thermal properties of electrons on the dispersion properties of Alfvén waves in space plasmasContext. The transition from left-hand to right-hand polarized Alfvén waves depends on the wavenumber, the ratio of kinetic to magnetic pressure β, temperature anisotropy, and ion composition of…Nicolás Villarroel-Sepúlveda, Pablo S. Moya, Rodrigo A. López et al.·Jul 4, 2024SaveLearn