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Related papers: Diamagnetic drift effects on the low-n magnetohydr…

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The I-mode confinement regime can feature small edge temperature drops that can lead to an increase in the energy deposited onto the divertor targets. In this work, we show that these events are associated with a relaxation of both electron…

We present a first-principles study of the multimode Jahn-Teller (JT) effect in the exctied $^{3}E$ state of the negatively charged nitrogen-vacancy (NV) center in diamond. Using density functional theory combined with an intrinsic…

Materials Science · Physics 2026-02-03 Jianhua Zhang , Jun Liu , Z. Z. Zhu , K. M. Ho , V. V. Dobrovitski , C. Z. Wang

A rectangular plate of dielectric elastomer exhibiting gradients of material properties through its thickness will deform inhomogeneously when a potential difference is applied to compliant electrodes on its major surfaces, because each…

Soft Condensed Matter · Physics 2020-12-08 Yipin Su , Ray W. Ogden , Michel Destrade

The impact of viscoelasticity on drop deformation in the presence of an electric field is investigated using both analytical and numerical methods. The study focuses on two configurations: a viscoelastic drop suspended in a Newtonian fluid…

Fluid Dynamics · Physics 2025-10-08 Santanu Kumar Das , Sarika Shivaji Bangar , Amaresh Dalal , Gaurav Tomar

We examine and identify magnetoresistance mechanisms in 2D system containing a sizable concentration of magnetic ions. We argue that some of these mechanisms can serve as a tool to measure spin polarization. Lack of spin degeneracy and…

A comprehensive theory for electronic transport in itinerant ferromagnets is developed. We first show that the Q-field theory used previously to describe a disordered Fermi liquid also has a saddle-point solution that describes a…

Statistical Mechanics · Physics 2009-10-31 T. R. Kirkpatrick , D. Belitz

Electron transport in magnetic orders and the magnetic orders dynamics have a mutual dependence, which provides the key mechanisms in spin-dependent phenomena. Recently, antiferromagnetic orders are focused on as the magnetic order, where…

Mesoscale and Nanoscale Physics · Physics 2021-02-03 Junji Fujimoto

A recently developed reduced model of H-mode sustainment based on interchange-drift-Alfv\'en turbulence description in the vicinity of the separatrix matching experimental observations in ASDEX Upgrade has been extended to experiments with…

Plasma Physics · Physics 2023-10-20 O. Grover , T. Eich , P. Manz , W. Zholobenko , T. Happel , T. Body , U. Plank , P. Ulbl , ASDEX Upgrade team

When the ion mean free path much exceeds the Larmor radius in a plasma, the viscous stress tensor is altered dramatically, and depends only upon quantities measured along the field lines. This regime corresponds to typical interstellar…

Astrophysics · Physics 2009-11-10 Steven A. Balbus

We study the magnetoplasmon collective mode excitations of integer quantum Hall systems in a parabolically confined quantum well nanostructure in the presence of a tilted magnetic field by using the time-dependent Hartree-Fock…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Daw-Wei Wang , S. Das Sarma , Eugene Demler , Bertrand I. Halperin

Electric-field control of magnetism without electric currents potentially revolutionizes spintronics towards ultralow power. Here by using mechanically coupled phase field simulations, we computationally demonstrate the application of the…

Materials Science · Physics 2017-02-22 Min Yi , Bai-Xiang Xu , Dietmar Gross

We have investigated magnetoelastic effects in multiferroic YMnO$_3$ below the antiferromagnetic phase transition, $T_N \approx 70$ K, using neutron powder diffraction. The $a$ lattice parameter of the hexagonal unit cell of YMnO$_3$…

Strongly Correlated Electrons · Physics 2012-12-24 Tapan Chatterji , Bachir Ouladdiaf , Paul F. Henry , Dipten Bhattacharya

A numerical study of the Kelvin-Helmholtz instability in compressible magnetohydrodynamics is presented. The three-dimensional simulations consider shear flow in a cylindrical jet configuration, embedded in a uniform magnetic field directed…

Astrophysics · Physics 2009-10-31 R. Keppens , G. Toth

Starting from expressions in Connor et al. (1988) [1], we derive a one-dimensional tearing equation similar to the approximate equation obtained by Hegna and Callen (1984) [2] and by Nishimura et al (1998) [3], but for more realistic…

Plasma Physics · Physics 2018-06-21 J. W. Connor , R. J. Hastie , C. Marchetto , C. M. Roach

We report on a detailed study of magnetic fluctuations in the JET pedestal, employing basic theoretical considerations, gyrokinetic simulations, and experimental fluctuation data, to establish the physical basis for their origin, role, and…

The collisional drift wave instability is reexamined taking into account the ion response in the direction parallel to the magnetic field lines, which appears due to friction with electrons and which can not be omitted in view of the…

Plasma Physics · Physics 2009-11-13 J. Vranjes , S. Poedts

We study the steady-state characteristics and the transient behavior of the nonequilibrium double-dot Aharonov-Bohm interferometer using analytical tools and numerical simulations. Our simple setup includes noninteracting degenerate quantum…

Mesoscale and Nanoscale Physics · Physics 2013-05-30 Salil Bedkihal , Malay Bandyopadhyay , Dvira Segal

3D free boundary equilibrium computations have recently been used to model external kinks and edge harmonic oscillations (EHOs), comparing with linear MHD stability codes, and nonlinear analytic theory [Kleiner et al, PPCF 61 084005…

We describe effects of anisotropy caused by the crystal lattice in d-wave superconductors with s-wave mixing using the effective free energy approach. Only the d-wave order parameter field $d$ is introduced, while the effect of the s wave…

Superconductivity · Physics 2009-10-30 D. Chang , C. -Y. Mou , B. Rosenstein , C. L. Wu

The phenomenon of stable lift oscillations occurring on an elliptic wing section utilizing circulation control at transonic speeds was evaluated using numerical simulations. As the momentum of the jet increases beyond a prescribed…

Fluid Dynamics · Physics 2025-11-05 Dor Polonsky