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This work presents the publicly available moving-mesh magnetohydrodynamics code DISCO. DISCO is efficient and accurate at evolving orbital fluid motion in two and three dimensions, especially at high Mach number. DISCO employs a moving-mesh…

Computational Physics · Physics 2016-09-21 Paul C. Duffell

We develop a hydrodynamic description of electron magnetotransport in conductors without Galilean invariance in the presence of a weak long-range disorder potential. We show that magnetoresistance becomes strong (of order 100 %) at…

Mesoscale and Nanoscale Physics · Physics 2024-02-05 Alex Levchenko , Songci Li , A. V. Andreev

We report on a theoretical study of the commensurability oscillations in a quasi-two-dimensional electron gas modulated by a unidirectional periodic potential and subjected to tilted magnetic fields with a strong in-plane component. As a…

Mesoscale and Nanoscale Physics · Physics 2015-12-09 Ludvik Smrcka

We study the magnetoconductivity induced by the axial anomaly via the chiral magnetic effect in strongly coupled holographic models. An important ingredient in our models is that the axial charge is non-conserved beyond the axial anomaly.…

High Energy Physics - Theory · Physics 2015-05-05 Amadeo Jimenez-Alba , Karl Landsteiner , Yan Liu , Ya-Wen Sun

In this article, we investigate the performance of an injection-locked 5.8-GHz continuous-wave magnetron with various load reflection levels. The load reflection is introduced to an equivalent magnetron model to theoretically evaluate the…

Applied Physics · Physics 2025-12-23 Xiaojie Chen , Bo Yang , Naoki Shinohara , Changjun Liu

An electromagnetic analysis is presented for experiments with strong permanent disc magnets. The analysis is based on the well known experiment that demonstrates the effect of circulating eddy currents by dropping a strong magnet through a…

Classical Physics · Physics 2014-08-18 Sven Nordebo , Alexander Gustafsson

We report measurements of dm/dn in Si MOSFET, where m is the magnetization of the two-dimensional electron gas and n is its density. We extended the density range of measurements from well in the metallic to deep in the insulating region.…

Strongly Correlated Electrons · Physics 2011-03-08 M. Reznikov , A. Yu. Kuntsevich , N. Teneh , V. M. Pudalov

The effect of a tilted dc magnetic field on the transport properties of a two dimensional electron gas (2DEG) is studied. The influence of the component of magnetic field parallel to the surface is analyzed and the dependence of the Fermi…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 A. C. A. Ramos , G. A. Farias , R. N. Costa Filho , N. S. Almeida

Recent measurements of a 2D electron gas subjected to microwave radiation reveal a magnetoresistance with an oscillatory dependence on the ratio of radiation frequency to cyclotron frequency. We perform a diagrammatic calculation and find…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Adam C. Durst , Subir Sachdev , N. Read , S. M. Girvin

We propose an experimental method to examine the in-plane anisotropy of electronic structure in layered conductors. In the method, we measure the interlayer magnetoresistance as a function of in-plane magnetic field orientation. We applied…

Strongly Correlated Electrons · Physics 2019-01-04 Ayaka Mori , Mitsuyuki Sato , Takeshi Yajima , Takako Konoike , Kazuhito Uchida , Toshihito Osada

We investigate the dc response of a 1D disordered ring coupled to a reservoir and driven by a magnetic flux with a linear dependence on time. We identify two regimes: (i) A localized or large length L regime, characterized by a dc…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 F. Foieri , L. Arrachea , M. J. Sanchez

The dynamics of a liquid dielectric attracted by a vertical cylindrical capacitor is studied. Contrary to what might be expected from the standard calculation of the force exerted by the capacitor, the motion of the dielectric is different…

Physics Education · Physics 2009-11-13 Rafael Nardi , Nivaldo A. Lemos

We examine the effect of changing the linear polarization angle $\theta$ of incident microwaves with respect to the dc current on radiation-induced magnetoresistance oscillations in a two-dimensional (2D) system within the balance-equation…

Materials Science · Physics 2015-06-12 X. L. Lei , S. Y. Liu

Magnetic induction dependence of the dispersion of longitudinal magnetoplasmon in a two-dimensional electron gas with finite layer thickness under a static uniform magnetic field normal to the layer plane is calculated using the…

Mesoscale and Nanoscale Physics · Physics 2015-06-16 T. Uchida , N. Hiraiwa , K. Yamada , M. Fujita , T. Toyoda

We study the nonlinear evolution of the magnetic buoyancy instability in rotating and non-rotating gas layers using numerical solutions of non-ideal, isothermal MHD equations. The unstable magnetic field is either imposed through the…

Astrophysics of Galaxies · Physics 2025-09-09 Yasin Qazi , Anvar Shukurov , Devika Tharakkal , Frederick A. Gent

We report the existence of an enhanced operating regime for a high-frequency, low-pressure capacitively coupled plasma (CCP) discharge in the presence of a weak magnetic field applied parallel to the electrodes. Our PIC-MCC simulations show…

Plasma Physics · Physics 2020-12-07 Sanket Patil , Sarveshwar Sharma , Sudip Sengupta , Abhijit Sen , Igor Kaganovich

We studied magnetic vortex oscillations associated with vortex gyrotropic motion driven by spin-polarized out-of-plane dc current by analytical and micromagnetic numerical calculations. Reliable controls of the tunable eigenfrequency and…

Materials Science · Physics 2010-02-03 Youn-Seok Choi , Ki-Suk Lee , Sang-Koog Kim

We have performed 3-D numerical magnetohydrodynamic (MHD) jet experiments to study the instabilities associated with strongly toroidal magnetic fields and determine if such magnetic configurations in jets are as unstable as similar…

Astrophysics · Physics 2007-05-23 F. Thomsen , A. Nordlund

In this paper we develop a framework for studying unstratified, magnetised eccentric discs and compute uniformly precessing eccentric modes in a cylindrical annulus which provide convenient initial conditions for numerical simulations. The…

High Energy Astrophysical Phenomena · Physics 2023-09-18 Elliot M. Lynch , Janosz W. Dewberry

In this paper, we discuss dynamical instability of charged dissipative cylinder under radial oscillations. For this purpose, we follow the Eulerian and Lagrangian approaches to evaluate linearized perturbed equation of motion. We formulate…

General Relativity and Quantum Cosmology · Physics 2017-10-25 M. Sharif , S. Mumtaz