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In given article preliminary results of the research of the electron multiplication in MPGD are presented at a high level of alpha-particles background. This work has expanded borders of understanding of the streamer mode nature. It is seen…

Instrumentation and Detectors · Physics 2010-09-16 V. I. Razin , A. I. Reshetin

Paschen law relates the breakdown voltage of a gas to the product of gas pressure and inter-electrode distance, predicting a characteristic minimum voltage at a specific pd value. In this study, the role of electrode configurations…

Plasma Physics · Physics 2025-12-01 Hridya P , Mangilal Choudhary

In this study we have studied the initial stage of the nanosecond-pulsed discharge development in liquid phase. Modeling predicts that in the case of fast rising strong nonhomogeneous electric fields in the vicinity of high voltage pin…

The flow of ions through permeable channels causes voltage drop in physiological nanodomains such as synapses, dendrites and dendritic spines, and other protrusions. How the voltage changes around channels in these nanodomains has remained…

Soft Condensed Matter · Physics 2025-01-10 Frédéric Paquin-Lefebvre , David Holcman

Electrical discharge at the smallest possible length and charge scales is not well understood. Using optical tweezers, we investigate spontaneous discharges of a single micron-scale particle levitated in air. These ``microdischarges'' have…

Soft Condensed Matter · Physics 2026-04-20 Andrea Stoellner , Isaac C. D. Lenton , Caroline Muller , Scott Waitukaitis

Using a relaxation oscillator circuit, breakdown ($V_{\mathrm{BD}}$) and quench ($V_{\mathrm{Q}}$) voltages of a DC discharge microplasma between two needle probes are measured. High resolution modified Paschen curves are obtained for argon…

Plasma Physics · Physics 2015-02-12 Ebrahim Forati , Shiva Piltan , Dan Sievenpiper

Microwave irradiation of a two-dimensional electron gas (2DEG) produces a non-equilibrium distribution of electrons, and leads to oscillations in the dissipative part of the conductivity. We show that the same non-equilibrium electron…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 M. G. Vavilov , I. A. Dmitriev , I. L. Aleiner , A. D. Mirlin , D. G. Polyakov

A self-consistent hybrid model of standing and moving striations was developed for low-current DC discharges in noble gases. We introduced the concept of surface diffusion in phase space described by a tensor diffusion in the nonlocal…

Plasma Physics · Physics 2022-05-25 Vladimir I. Kolobov , Juan Alonso Guzman , Robert R. Arslanbekov

Symmetry reduced three-disk and five-disk systems are studied in a microwave setup. Using harmonic inversion the distribution of the imaginary parts of the resonances is determined. With increasing opening of the systems, a spectral gap is…

Mesoscale and Nanoscale Physics · Physics 2013-05-02 S. Barkhofen , T. Weich , A. Potzuweit , H. -J. Stoeckmann , U. Kuhl , M. Zworski

The effect of changing the driving frequency on the plasma density and the electron dynamics in a capacitive radio-frequency argon plasma operated at low pressures of a few Pa is investigated by Particle in Cell/Monte Carlo Collisions…

We investigate discharge inception in air, in uniform background electric fields above and below the breakdown threshold. We perform 3D particle simulations that include a natural level of background ionization in the form of positive and…

Plasma Physics · Physics 2014-11-05 Anbang Sun , Jannis Teunissen , Ute Ebert

We study an ensemble of strongly coupled electrons under continuous microwave irradiation interacting with a dissipative environment, a problem of relevance to the creation of highly polarized non-equilibrium states in nuclear magnetic…

Statistical Mechanics · Physics 2017-10-18 Alexander Karabanov , Dominic C. Rose , Walter Köckenberger , Juan P. Garrahan , Igor Lesanovsky

The electron kinetics in moving and standing striations in direct current and radio-frequency discharges is studied. The discharge current is such that the thermalizing electron-electron collisions are negligible and the hydrodynamic…

Plasma Physics · Physics 2021-02-03 Dmitry Levko

Diffusion in a multidimensional energy surface with minima and barriers is a problem of importance in statistical mechanics and also has wide applications, such as protein folding. To understand it in such a system, we carry out theory and…

Statistical Mechanics · Physics 2022-06-29 Subhajit Acharya , Biman Bagchi

Electrical contact is fundamental to almost every aspect of modern industry, including the fast-growing electric vehicle industry. In metallic contacts in atmospheric conditions, most of the electrical current passes via the micro-junctions…

Soft Condensed Matter · Physics 2024-11-27 Yang Xu , Yue Wu , Robert L. Jackson

This report summarizes the present knowledge on discharges in micropattern and small gap gaseous detectors and the physical mechanisms involved. These include the space-charge (Raether's) limit, rate-induced breakdown, cathode excitation…

Instrumentation and Detectors · Physics 2009-11-04 V. Peskov , P. Fonte

The gas breakdown produced by high-power pulsed linearly and circularly polarized microwave fields which are much weaker than the atomic fields is investigated in the non-relativistic limit. Obtained the electron distribution function…

Plasma Physics · Physics 2009-11-10 B. Shokri , M. Ghorbanalilu

The generation of microbubbles upon the collision and interaction of liquid bodies in a gaseous environment is a ubiquitous process in two-phase flows, including large-scale phenomena like ship wakes, breaking waves and rain showers. These…

Fluid Dynamics · Physics 2018-11-30 Wai Hong Ronald Chan , Javier Urzay , Parviz Moin

Droplet breakup is important in many natural and industrial processes, but the current classification of breakup regimes, especially the intermediate breakup regime, is ambiguous. In this study, the transitions of breakup regimes for…

Fluid Dynamics · Physics 2025-04-22 Zhikun Xu , Tianyou Wang , Zhizhao Che

Aspects of electron critical differentiation are clarified in the proximity of the Mott insulator. The flattening of the quasiparticle dispersion appears around momenta $(\pi,0)$ and $(0,\pi)$ on square lattices and determines the…

Superconductivity · Physics 2009-10-31 Masatoshi Imada , Shigeki Onoda
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