Universal turbulent relaxation of fluids and plasmas by the principle of vanishing nonlinear transfersA seventy year old problem of fluid and plasma relaxation has been revisited. A new principle of vanishing nonlinear transfer has been proposed to develop a unified theory of turbulent relaxation of…Supratik Banerjee, Arijit Halder, Nandita Pan·Sep 26, 2022SaveLearn
Detection of current-sheet and bipolar ion flows in a self-generated antiparallel magnetic field of laser-produced plasmas for magnetic reconnection researchMagnetic reconnection in laser-produced magnetized plasma is investigated by using optical diagnostics. The magnetic field is generated via Biermann battery effect, and the inversely directed…T. Morita, S. Matsukiyo, S. Isayama et al.·Sep 24, 2022SaveLearn
Ion core effect on transport characteristics in warm dense matterAn effective potential approach in combination with the molecular dynamics (MD) method was used to study the effect of the ionic core on the transport properties of ions in the warm dense matter…T. S. Ramazanov, M. Issanova, Ye. K. Aldakul et al.·Sep 24, 2022SaveLearn
Mapping the space of quasisymmetric stellarators using optimized near-axis expansionA method is demonstrated to rapidly calculate the shapes and properties of quasi-axisymmetric and quasi-helically symmetric stellarators. In this approach, optimization is applied to the equations of…Matt Landreman·Sep 23, 2022SaveLearn
A wide-range semiclassical self-consistent average atom modelDiscovery of material properties at extremes, which are essential for high energy density physics development, requires the most advanced experimental facilities, theories, and computations. Nowadays…A. S. Polyukhin, S. A. Dyachkov, P. R. Levashov·Sep 23, 2022SaveLearn
Kinetic whistler instability in a mirror-confined plasma of a continuous ECR ion sourceKinetic instabilities in a dense plasma of a continuous ECR discharge in a mirror magnetic trap at the GISMO setup are studied. We experimentally define unstable regimes and corresponding plasma…Mikhail Viktorov, Ivan Izotov, Elena Kiseleva et al.·Sep 23, 2022SaveLearn
Towards critical and supercritical electromagnetic fieldsThe availability of ever stronger, laser-generated electromagnetic fields underpins continuing progress in the study and application of nonlinear phenomena in basic physical systems, ranging from…M. Marklund, T. G. Blackburn, A. Gonoskov et al.·Sep 23, 2022SaveLearn
Verification of the standard theory of plasma emission with particle-in-cell simulationsThe standard theory of plasma emission is based on kinetic couplings between a single beam of energetic electrons and unmagnetized thermal plasmas, involving multi-step nonlinear wave-particle and…Zilong Zhang, Yao Chen, Sulan Ni et al.·Sep 23, 2022SaveLearn
Mixed flow ionospheric aerodynamicsThe increasingly congested near earth environment requires accurate orbital modelling to prevent collision events that threaten access to space infrastructure. Ionospheric aerodynamics are the…Faun Watson·Sep 23, 2022SaveLearn
Minimum Stabilizing Energy Release for Mixing ProcessesDiffusive operations, which mix the populations of different elements of phase space, can irreversibly transform a given initial state into any of a spectrum of different states from which no further…E. J. Kolmes, N. J. Fisch·Sep 22, 2022SaveLearn
Enabling direct kinetic simulation of dense plasma plume expansion for laser ablation plasma thrustersLaser ablation plasma thrusters are an emerging space propulsion concept that provides promise for lightweight payload delivery. Predicting the lifetime and performance of these thrusters hinges on a…Wai Hong Ronald Chan, Iain D. Boyd·Sep 21, 2022SaveLearn
Parallel transport modeling of linear divertor simulators with fundamental ion cyclotron heatingThe Material Plasma Exposure eXperiment (MPEX) is a steady state linear device with the goal to perform plasma material interaction (PMI) studies at future fusion reactor relevant conditions. A…A. Kumar, J. F. Caneses-Marin, C. Lau et al.·Sep 20, 2022SaveLearn
Integrated modelling and multiscale gyrokinetic validation study of ETG turbulence in a JET hybrid H-mode scenarioPrevious studies with first-principle-based integrated modelling suggested that ETG turbulence may lead to an anti-GyroBohm isotope scaling in JET high-performance hybrid H-mode scenarios. A…J Citrin, S Maeyama, C Angioni et al.·Sep 20, 2022SaveLearn
Vlasov Simulation of Emissive Plasma Sheath with Energy-Dependent Secondary Emission Coefficient and Improved Modeling for Dielectric Charging EffectsA one dimensional Vlasov Poisson simulation code is employed to investigate the plasma sheath considering electron induced secondary electron emission (SEE) and backscattering. The SEE coefficient is…Guang-Yu Sun, Shu Zhang, Bao-Hong Guo et al.·Sep 20, 2022SaveLearn
On the construction of a local curvilinear coordinate system conforming to the native curved geometry of the plasma focus sheathThis paper describes in detail the construction of a local right-handed, orthogonal curvilinear coordinate system whose axes are along the local tangent, the local azimuth and the local normal of an…S K H Auluck·Sep 20, 2022SaveLearn
Dyson Maps and Unitary Evolution for Maxwell Equations in Tensor Dielectric MediaA reformulation of Maxwell equations for an inhomogeneous, anisotropic, passive and non-dispersive medium results in a quantum-like Dirac equation that admits unitary time evolution. In contrast to…Efstratios Koukoutsis, Kyriakos Hizanidis, Abhay K. Ram et al.·Sep 18, 2022SaveLearn
Wave Turbulence in Inertial Electron MagnetohydrodynamicsA wave turbulence theory is developed for inertial electron magnetohydrodynamics (IEMHD) in the presence of a relatively strong and uniform external magnetic field $B0 = B0…Vincent David, Sébastien Galtier·Sep 18, 2022SaveLearn
Measurement of Stimulated Raman Side-Scattering Predominance in Directly Driven ExperimentDue to its particular geometry, stimulated Raman side-scattering (SRSS) drives scattered light emission at non-conventional directions, leading to scarce and complex experimental observations.…Kevin Glize, Xu Zhao, Yihang Zhang et al.·Sep 17, 2022SaveLearn
Identification of a non-axisymmetric mode in laboratory experiments searching for standard magnetorotational instabilityThe standard magnetorotational instability (SMRI) is a promising mechanism for turbulence and rapid accretion in astrophysical disks. It is a magnetohydrodynamic (MHD) instability that destabilizes…Yin Wang, Erik P. Gilson, Fatima Ebrahimi et al.·Sep 17, 2022SaveLearn
MHD Simulations on Magnetic Compression of Field Reversed ConfigurationsThe magnetic compression has long been proposed a promising method for the plasma heating in a field reversed configuration (FRC), however, it remains a challenge to fully understand the physical…Yiming Ma, Ping Zhu, Bo Rao et al.·Sep 17, 2022SaveLearn
Magnetic island formation and rotation braking induced by low-Z impurity penetration in an EAST plasmaRecent observations of the successive formations of the 4=1; 3=1, and 2=1 magnetic islands as well as the subsequent braking of the 2=1 mode during a low-Z impurity penetration process in EAST…Shiyong Zeng, Ping Zhu, Ruijie Zhou et al.·Sep 17, 2022SaveLearn
An Asymptotic-Preserving and Energy-Conserving Particle-In-Cell Method for Vlasov-Maxwell EquationsIn this paper, we develop an asymptotic-preserving and energy-conserving (APEC) Particle-In-Cell (PIC) algorithm for the Vlasov-Maxwell system. This algorithm not only guarantees that the asymptotic…Lijie Ji, Zhiguo Yang, Zhuoning Li et al.·Sep 17, 2022SaveLearn
Deep or Not Deep: Supervised Learning Approaches to Modeling the Pedestal DensityPedestal is the key to conventional high performance plasma scenarios in tokamaks. However, high fidelity simulations of pedestal plasmas are extremely challenging due to the multiple physical…Adam Kit, Aaro Jaervinen, Lorenzo Frassinetti et al.·Sep 16, 2022SaveLearn
Plasma dynamics at the Schwinger limit and beyondStrong field physics close to or above the Schwinger limit are typically studied with vacuum as initial condition, or by considering test particle dynamics. However, with a plasma present initially,…Gert Brodin, Haidar Al-Naseri, Jens Zamanian et al.·Sep 16, 2022SaveLearn
Parametric scaling of power exhaust in EU-DEMO alternative divertor simulationsInvestigations of parametric scaling of power exhaust in the alternative divertor configuration (ADC) SOLPS-ITER simulation database of the EU-DEMO are conducted and compared to predictions based on…A. E. Järvinen, L. Aho-Mantila, T. Lunt et al.·Sep 16, 2022SaveLearn