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A large number of wave modes exist in a magnetized plasma. Their properties are determined by the interaction of particles and waves. In a simulation code, the correct treatment of field quantities and particle behavior is essential to…

Plasma Physics · Physics 2023-10-04 Patrick Kilian , Patricio A. Muñoz , Cedric Schreiner , Felix Spanier

Near-field microwave microscopy has created the opportunity for a new class of electrodynamics experiments of materials. Freed from the constraints of traditional microwave optics, experiments can be carried out at high spatial resolution…

Materials Science · Physics 2007-05-23 Steven M. Anlage , D. E. Steinhauer , B. J. Feenstra , C. P. Vlahacos , F. C. Wellstood

We propose an efficient scheme for the generation and the manipulation of Raman fields in an homogeneously broadened atomic vapor in a closed three levels $\Lambda$-configuration. The key concept in generating the Raman and sub-Raman fields…

Atomic Physics · Physics 2012-10-09 Pankaj K. Jha , Sumanta Das , Tarak N. Dey

We develop an analytical method to find plasmons generated by microwaves in a two-dimensional electron gas with defects. The excitations are expressed in terms of the wake field of a charged particle moving in plasma. The result explicitly…

Mesoscale and Nanoscale Physics · Physics 2011-07-19 Eduard Takhtamirov , Roderick V. N. Melnik

Atmospheric pressure plasma jet can protrude some 5.0 cm into air. It holds promise for multivarious innovative applications, but its formation mechanism remains unsettled. We show that the plasma jet is essentially a streamer corona…

Plasma Physics · Physics 2008-11-04 Nan Jiang , Ailing Ji , Zexian Cao

Electron Cyclotron Resonance Ion Sources are currently the most efficient ion sources among those used in facilities dedicated to nuclear physics. The need for a more flexible magnetic field and RF injection system suggested to design and…

Ultra-short high-power lasers can deliver extreme light intensities ($\ge 10^{20}$ W/cm$^2$ and $\leq 30 f$s) and drive large amplitude Surface Plasma Wave (SPW) at over-dense plasma surface. The resulting current of energetic electron has…

Plasma Physics · Physics 2021-08-16 S. Marini , P. S. Kleij , F. Amiranoff , M. Grech , C. Riconda , M. Raynaud

The study of hot plasma expansion in a magnetic field is of interest for many astrophysical applications. In order to observe this process in laboratory, an experiment is proposed in which an ultrashort laser pulse produces a…

Plasma Physics · Physics 2011-11-15 H. B. Nersisyan , K. A. Sargsyan , D. A. Osipyan , M. V. Sargsyan , H. H. Matevosyan

This paper introduces a novel atmospheric pressure and frequency-tunable microwave plasma jet utilizing evanescent-mode cavity resonator technology. The design uses a substrate-integrated waveguide approach, where two PCB substrates are…

Plasma Physics · Physics 2024-12-18 Kazi Sadman Kabir , Abbas Semnani

We introduce the first approach to volumetrically generate relativistically thermal plasma at gas-jet--accessible density. Using fully kinetic simulations and theory, we demonstrate that two stages of direct laser acceleration driven by two…

Plasma Physics · Physics 2022-02-16 K. Weichman , J. P. Palastro , A. P. L. Robinson , A. V. Arefiev

Machine learning has had an enormous impact in many scientific disciplines. Also in the field of low-temperature plasma modeling and simulation it has attracted significant interest within the past years. Whereas its application should be…

Plasma Physics · Physics 2023-12-18 Jan Trieschmann , Luca Vialetto , Tobias Gergs

It was observed experimentally that after crossing a waveguide filled with a neutral gas, a short powerful microwave pulse leaves a periodic glow of plasma along the waveguide, persisting several tens of nanoseconds. A theoretical model is…

Plasma Physics · Physics 2024-03-05 Y. Bliokh , Y. Cao , V. Maksimov , A. Haim , J. G. Leopold , A. Kostinsky , Ya. E. Krasik

The results of a study of the effect of microvolume emission (power 700 W, frequency 2.45 GHz) on the structural changes in natural clay particles are presented. The influence of the irradiation time (10 and 20 minutes) and the environment…

Materials Science · Physics 2023-02-14 Anna G. Chetverikova , Marina M. Filyak , Olga N. Kanygina

The dielectric properties of complex plasma containing either metal or dielectric spherical inclusions (macroparticles, dust) are investigated. We focus on surface plasmon resonances on the macroparticle surfaces and their effect on…

Plasma Physics · Physics 2016-07-20 S. V. Vladimirov , O. Ishihara

An experimental investigation of a new interaction connected with the existence of the cosmological vectorial potential, has been carried out. On its basis, a new method of energy generation with the use of a plasma generator, has been…

Plasma Physics · Physics 2007-05-23 Yu. A. Baurov , G. A. Beda , I. P. Danilenko , V. P. Ignatko

Broadband ultrashort terahertz (THz) pulses can be produced using plasma generation in a noble gas ionized by femtosecond two-color pulses. Here we demonstrate that, by using multiple-frequency laser pulses, one can obtain a waveform which…

We address an experimental observation of pattern formation in a magnetised rf plasma. The experiments are carried out in a electrically grounded aluminium chamber which is housed inside a rotatable superconducting magnetic coil. The plasma…

Plasma Physics · Physics 2016-04-20 P. Bandyopadhyay , D. Sharma , U. Konopka , G. Morfill

Generation of wake fields by a short electromagnetic pulse in a plasma with an inhomogeneous background magnetic field and density profile is considered, and a wave equation is derived. Transmission and reflection coefficients are…

Plasma Physics · Physics 2009-11-07 Martin Servin , Gert Brodin

This paper presents a convolutional neural network (CNN)-based deep learning model, inspired from UNet with series of encoder and decoder units with skip connections, for the simulation of microwave-plasma interaction. The microwave…

Computational Physics · Physics 2022-12-21 Mihir Desai , Pratik Ghosh , Ahlad Kumar , Bhaskar Chaudhury

The plasma-liquid interaction is an important issue in plasma technology. The simulation of discharge in spherical bubbles in the water that produced plasma-activated water (PAW) is investigated using finite element methods (FEM) for a…

Plasma Physics · Physics 2022-08-26 Niloofar Mohammadi Nahrani , Maryam Bahreini , Saeed Hasanpour Tadi