Special behavior of alkali beam emission spectroscopy in low-ion-temperature plasmaBeam emission spectroscopy (BES) is a powerful plasma diagnostic method especially suited for the measurement of plasma density and its fluctuations. As such, synthetic BES codes are regularly used…P. Balázs, O. Asztalos, G. Anda et al.·Jan 4, 2023SaveLearn
X-ray Thomson scattering spectra from DFT-MD simulations based on a modified Chihara formulaWe study state-of-the-art approaches for calculating x-ray Thomson scattering spectra from density functional theory molecular dynamics (DFT-MD) simulations based on a modified Chihara formula that…Maximilian Schörner, Mandy Bethkenhagen, Tilo Döppner et al.·Jan 4, 2023SaveLearn
Thermodynamic and transport properties of plasmas: low-density benchmarksPhysical properties of plasmas such as equations of state and transport coefficients are expressed in terms of correlation functions, which can be calculated using various approaches (analytical…G. Röpke·Jan 4, 2023SaveLearn
Low-frequency shear Alfvén waves at DIII-D: theoretical interpretation of experimental observationsThe linear properties of the low-frequency shear Alfvén waves such as those associated with the beta-induced Alfvén eigenmodes (BAEs) and the low-frequency modes observed in reversed-magnetic-shear…Ruirui Ma, W. W. Heidbrink, Liu Chen et al.·Jan 4, 2023SaveLearn
On the minimum transport required to passively suppress runaway electrons in SPARC disruptionsIn [V.A. Izzo et al 2022 Nucl. Fusion 62 096029], state-of-the-art modeling of thermal and current quench (CQ) MHD coupled with a self-consistent evolution of runaway electron (RE) generation and…R. A. Tinguely, I. Pusztai, V. A. Izzo et al.·Jan 4, 2023SaveLearn
Energetic bounds on gyrokinetic instabilities. Part III. Generalized free energyFree energy, widely used as a measure of turbulence intensity in weakly collisional plasmas, has been recently found to be a suitable basis to describe both linear and nonlinear growth in a wide…G. G. Plunk, P. Helander·Jan 3, 2023SaveLearn
Analytical study of ion-acoustic solitary waves in a magnetized plasma with degenerate electronsThe propagation of fully nonlinear ion acoustic solitary waves (IASW) in a magneto-plasma with degenerate electrons was investigated by Abdelsalam et al. [[1] Physics Letters A 372 (2008) 4923].…Moumita Indra, Kamal Kumar Ghosh, Saibal Ray·Jan 3, 2023SaveLearn
Pre-acceleration in the Electron Foreshock II: Oblique Whistler WavesThermal electrons have gyroradii many orders of magnitude smaller than the finite width of a shock, thus need to be pre-accelerated before they can cross it and be accelerated by diffusive shock…Paul J. Morris, Artem Bohdan, Martin S. Weidl et al.·Jan 2, 2023SaveLearn
Diagnosis of ultrafast ultraintense laser pulse characteristics by machine-learning-assisted electron spinRapid development of ultrafast ultraintense laser technologies continues to create opportunities for studying strong-field physics under extreme conditions. However, accurate determination of the…Zhi-Wei Lu, Xin-Di Hou, Feng Wan et al.·Dec 31, 2022SaveLearn
Sensitivity of synchrotron radiation to the superthermal electron population in mildly relativistic plasmaSynchrotron radiation has markedly different behavior in 10~keV and in 100~keV plasma. We show that high-energy electrons which occupy the tail of velocity…M. E. Mlodik, V. R. Munirov, T. Rubin et al.·Dec 29, 2022SaveLearn
Comparative analysis for the behavior of beryllium and magnesium crystals at ultrahigh pressuresThe paper presents ab initio results on the structural phase stability of beryllium and magnesium crystals under high and ultrahigh pressures (multi-terapascal regime). Magnesium is shown to undergo…N. A. Smirnov·Dec 29, 2022SaveLearn
Turbulent Drag Reduction in Magnetohydrodynamic Turbulence and Dynamo from Energy Flux PerspectivesIn this review, we describe turbulent drag reduction in a variety of flows using a universal framework of energy flux. In a turbulent flow with dilute polymers and magnetic field, the kinetic energy…Mahendra K. Verma, Manohar K. Sharma, Soumyadeep Chatterjee·Dec 29, 2022SaveLearn
Electron and ion acceleration from femtosecond laser-plasma peeler schemeUsing three-dimensional particle-in-cell simulations, we further investigate the electron and ion acceleration from femtosecond laser-plasma peeler scheme which was proposed in our recent paper (Shen…X. F. Shen, A. Pukhov, B. Qiao·Dec 29, 2022SaveLearn
A statistical analysis approach of plasma dynamics in gyrokinetic simulations of stellarator turbulenceA geometrical method is used for the analysis of stochastic processes in plasma turbulence. Distances between thermodynamic states can be computed according the thermodynamic length methodology which…A. D. Papadopoulos, J. Anderson, E-J. Kim et al.·Dec 29, 2022SaveLearn
Linear analysis and crossphase dynamics in the ∇ Te-driven CTEM fluid modelCollisionless trapped-electron mode (CTEM) turbulence is an important contributor to heat and particle transport in fusion devices. The ITG/TEM fluid models are rarely treated analytically, due to…M. Leconte, Lei Qi, J. Anderson·Dec 29, 2022SaveLearn
Structure formation by electrostatic interactions in strongly coupled mediumThe formation of correlated structures is of importance in many diverse contexts such as strongly coupled plasmas, soft matter, and even biological mediums. In all these contexts the dynamics are…Mamta Yadav, Priya Deshwal, Srimanta Maity et al.·Dec 29, 2022SaveLearn
Generation of ultrabrilliant polarized attosecond electron bunch via dual-wake injectionLaser wakefield acceleration is paving the way for the next generation of electron accelerators, for their own sake and as radiation sources. A controllable dual-wake injection scheme is put forward…Ting Sun, Qian Zhao, Feng Wan et al.·Dec 27, 2022SaveLearn
Development and optimization of low power non-thermal plasma jet operational parameters for treating dyes and emerging contaminantsEmerging contaminants (ECs) have come out as the latest class of environmental contaminants, which are highly recalcitrant and toxic in nature. Currently, no suitable rectification methods are…Deepchandra Joshi, G. Veda Prakash Shaikh Ziauddin Ahammad, Satyananda Kar et al.·Dec 26, 2022SaveLearn
Influence of pulse modulation frequency on helium RF atmospheric pressure plasma jet characteristicsThis work investigates the influence of pulse modulation frequency ranging from 50 Hz- 10 kHz on the helium RF atmospheric pressure plasma jet's fundamental characteristics. The impact of…Mahreen, G. Veda Prakash, Satyananda Kar et al.·Dec 26, 2022SaveLearn
Excitation of helical shape argon atmospheric pressure plasma jet using RF pulse modulationThe article reports the excitation of a helical argon atmospheric pressure plasma jet using a pulse modulated 13.56 MHz radiofrequency (RF) power source. This helical structure is observed in open…Mahreen Khan, Veda Prakash G., Satyananda Kar et al.·Dec 26, 2022SaveLearn
A Joint Calibration Technique for Improving Measurement Accuracy of Voltage and Current Probes During Synchronous Operation for RF Based Plasma DevicesThis paper presents a joint calibration scheme for voltage (V) and current (I) probes that helps resolve accurately voltage-current phase differences even when the difference is very close to…Mahreen, A. Ganguli, Veda Prakash Gajula et al.·Dec 26, 2022SaveLearn
Extended relativistic kinetic model composed of the scalar and two vector distribution functions: Application to the spin-electron-acoustic wavesDetailed deterministic derivation of the kinetic equations for the relativistic plasmas is given. Focus is made on the dynamic of one-coordinate distribution functions of various tensor dimensions,…Pavel A. Andreev·Dec 23, 2022SaveLearn
Radiation reaction cooling as a source of anisotropic momentum distributions with inverted populationsUnder the presence of strong electromagnetic fields and radiation reaction, plasmas develop anisotropic momentum distributions, characterized by a population inversion. This is a general property of…Pablo J. Bilbao, Luis O. Silva·Dec 23, 2022SaveLearn
Electrostatic Plasma wave excitations at the interplanetary shocksOver the last few decades, different types of plasma waves (e.g., the ion acoustic waves (IAWs), electrostatic solitary waves (ESWs), upper/lower hybrid waves, the Langmuir waves etc.) have been…Manpreet Singh, Federico Fraschetti, Joe Giacalone·Dec 23, 2022SaveLearn
Transient chirp reconstruction of electron beam via tightly focused chirped laser pulseControlling the phase space of particle beams is essential for the generation of high-quality, ultrashort electron beams in plasma-based accelerators. Accurately diagnosing the transient energy…Zhijun Zhang, Shiyi Zhou, Jiansheng Liu·Dec 22, 2022SaveLearn