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Related papers: Lower hybrid to whistler mode conversion on a dens…

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Wireless power transfer (WPT) is expected to be a technology reshaping the landscape of low-power applications such as the Internet of Things, machine-to-machine communications and radio frequency identification networks. Although there has…

Information Theory · Computer Science 2016-05-05 Yang Huang , Bruno Clerckx

We have analyzed spectra of localized microwave transmitted through quasi-1D random samples to obtain the central frequency, linewidth and field speckle pattern of the modes for an ensemble of samples at three lengths. We find strong…

Disordered Systems and Neural Networks · Physics 2012-10-02 Jing Wang

In this work we study the propagations of normal frequency modes for quantum hydrodynamic (QHD) waves in the linear limit and introduce a new kind of instability in a double-degenerate plasma. Three different regimes, namely, low,…

Plasma Physics · Physics 2015-06-05 M. Akbari-Moghanjoughi

The discovery of large-amplitude narrowband whistler-mode waves at frequencies of tenths of the electron cyclotron frequency in large numbers both inside ~.3 AU and at ~1 AU provides an answer to longstanding questions about scattering and…

Solar and Stellar Astrophysics · Physics 2021-06-30 Cynthia Cattell , Tien Vo

Mode conversion of transverse electromagnetic waves into longitudinal oscillations and the associated resonant absorption of wave energy in inhomogeneous plasmas is a phenomenon that has been studied extensively in plasma physics. We show…

Mesoscale and Nanoscale Physics · Physics 2022-02-09 Kihong Kim , Seulong Kim

We present the first observations of large amplitude waves in a well-defined electron diffusion region at the sub-solar magnetopause using data from one THEMIS satellite. These waves identified as whistler mode waves, electrostatic solitary…

The transition dynamics from the low (L) to the high (H) confinement mode in magnetically confined plasmas is investigated using a first-principles four-field fluid model. Numerical results are in close agreement with measurements from the…

Plasma Physics · Physics 2014-09-11 A H. Nielsen , G. S. Xu , J. Madsen , V. Naulin , J. Juul Rasmussen , B. N. Wan

This paper describes a 561 nm laser heterodyne interferometer that provides time-resolved measurements of line-integrated plasma electron density within the range of 10^15-10^18 cm^(-2). Such plasmas are produced by railguns on the Plasma…

Plasma Physics · Physics 2015-06-03 Elizabeth C. Merritt , Alan G. Lynn , Mark A. Gilmore , Scott C. Hsu

Magnetised plasma turbulence can have a multiscale character: instabilities driven by mean temperature gradients drive turbulence at the disparate scales of the ion and the electron gyroradii. Simulations of multiscale turbulence, using…

Plasma Physics · Physics 2020-11-25 M. R. Hardman , M. Barnes , C. M. Roach

As an application of the completely general, ideal two-fluid analysis of waves in a warm ion-electron plasma, where six unique wave pair labels (S, A, F, M, O, and X) were identified, we here connect to the vast body of literature on…

Plasma Physics · Physics 2021-04-22 Jordi De Jonghe , Rony Keppens

In the hot intracluster medium (ICM) in galaxy clusters, plasma microinstabilities may play an important role in the transport of heat and momentum on the large scales. In this paper, we continue our investigation of the effect of whistler…

Cosmology and Nongalactic Astrophysics · Physics 2025-02-04 Lorenzo Maria Perrone , Thomas Berlok , Christoph Pfrommer

Electron resonant scattering by high-frequency electromagnetic whistler-mode waves has been proposed as a mechanism for solar wind electron scattering and pre-acceleration to energies that enable them to participate in shock drift…

The density limit of lower hybrid current drive (LHCD) is scaled by coupling the saturation process of parametric decay instability induced by LH waves in the scrape off layer (SOL) plasma to the propagation of waves. It is shown that the…

Plasma Physics · Physics 2024-12-02 Kunyu Chen , Zhihao Su , Zikai Huang , Long Zeng , Zhe Gao

In order to find an approximate solution to the Vlasov-Maxwell equation system describing the lower hybrid wave propagation in magnetic confined plasmas, the use of the WKB method leads to the ray tracing equations. The Hamiltonian…

Plasma Physics · Physics 2014-03-05 Andrea Casolari , Alessandro Cardinali

We discovered a hysteresis in a microwave-driven low-pressure argon plasma during gas pressure change across the transition region between $\alpha$ and $\gamma$ discharge modes. The hysteresis is manifested in that the critical pressure of…

Plasma Physics · Physics 2022-10-26 Kyungtae Kim , Woojin Nam , Jimo Lee , Seungbo Shim , Gunsu S. Yun

In this paper, a highly-efficient single-switch-regulated resonant wireless power receiver with hybrid modulation is proposed. To achieve both high efficiency and good output voltage regulation, phase shift and pulse width hybrid modulation…

Systems and Control · Electrical Eng. & Systems 2021-01-06 Kerui Li , Albert Ting Leung Lee , Siew-Chong Tan , Ron Shu Yuen Hui

A refined cascade model for kinetic turbulence in weakly collisional astrophysical plasmas is presented that includes both the transition between weak and strong turbulence and the effect of nonlocal interactions on the nonlinear transfer…

Solar and Stellar Astrophysics · Physics 2015-05-30 G. G. Howes , J. M. TenBarge , W. Dorland

Linearly polarized solitary waves, arising from the interaction of an intense laser pulse with a plasma, are investigated. New localized structures, in the form of exact \Changes{numerical} nonlinear solutions of the one-dimensional…

Plasma Physics · Physics 2015-03-11 G. Sánchez-Arriaga , E. Siminos , V. Saxena , I. Kourakis

The atmospheric-pressure hybrid plasma in the Ar:H2:CH4 mixture, maintained by microwave radiation (2.47 GHz) and CO2 laser radiation (10.6 {\mu}m) in the chamber of an experimental plasma-chemical reactor designed to study the synthesis of…

Plasma Physics · Physics 2025-12-11 S. V. Avtaeva , V. B. Dolomanova , P. A. Pinaev , A. E. Medvedev

Slow waves and tunneling waves can meet at the cutoff wavelengths and/or transmission band edges of optical and quantum mechanical waveguides. The experimental investigation of this phenomenon, previously performed using various optical…

Optics · Physics 2020-02-19 Yong Yang , M. Sumetsky