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Related papers: Quantifying Gyrotropy in Magnetic Reconnection

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In space plasma, various effects of magnetic reconnection and turbulence cause the electron motion to significantly deviate from their Larmor orbits. Collectively these orbits affect the electron velocity distribution function and lead to…

Plasma Physics · Physics 2018-04-04 H. Che , C. Schiff , G. Le , J. Dorelli , B. Giles , T. Moore

There is ample evidence for magnetic reconnection in the solar system, but it is a nontrivial task to visualize, to determine the proper approaches and frames to study, and in turn to elucidate the physical processes at work in reconnection…

The relationship between magnetic reconnection and plasma turbulence is investigated using multipoint in-situ measurements from the Cluster spacecraft within a high-speed reconnection jet in the terrestrial magnetotail. We show explicitly…

Space Physics · Physics 2015-12-23 K. T. Osman , K. H. Kiyani , W. H. Matthaeus , B. Hnat , S. C. Chapman , Yu. V. Khotyaintsev

Through a direct comparison between numerical simulations in two and three dimensions, we investigate topological effects in reconnection. A simple estimate on increase in reconnection rate in three dimensions by a factor of $\sqrt{2}$,…

Solar and Stellar Astrophysics · Physics 2015-06-19 Miljenko Čemeljić , Ruei-Yang Huang

Magnetometers, gyroscopes and accelerometers are commonly used sensors in a variety of applications. The paper proposes a novel gyroscope calibration method in the homogeneous magnetic field by the help of magnetometer. It is shown that,…

Robotics · Computer Science 2017-07-25 Yuanxin Wu , Ling Pei

Magnetic reconnection drives a wide range of astrophysical phenomena, including geomagnetic storms, solar flares, and activity in blazars. However, direct measurement of key reconnection observables remains challenging due to the remote and…

High Energy Astrophysical Phenomena · Physics 2026-04-02 Sergey K. Ermakov , Michael Bussmann , Alexander Debus , Richard Pausch , Ulrich Schramm , René Widera , Klaus Steiniger

We present a model for separator reconnection due to an isolated reconnection process. Separator reconnection is a process which occurs in the neighbourhood of a distinguished field line (the separator) connecting two null points of a…

Solar and Stellar Astrophysics · Physics 2015-05-28 A. L. Wilmot-Smith , G. Hornig

The magnetotropic susceptibility is the thermodynamic coefficient associated with the rotational anisotropy of the free energy in an external magnetic field, and is closely related to the magnetic susceptibility. It emerges naturally in…

Strongly Correlated Electrons · Physics 2023-07-07 A. Shekhter , R. D. McDonald , B. J. Ramshaw , K. A. Modic

Measurements of magnetic torque are most commonly preformed about a single axis or component of torque. Such measurements are very useful for hysteresis measurements of thin film structures in particular, where high shape anisotropy yields…

The paper studies the possible interplay between matter and geometry in scalar tensor theories of gravitation where the energy--momentum tensor is directly coupled with the Einstein tensor. After obtaining the scalar tensor representation…

General Relativity and Quantum Cosmology · Physics 2024-10-08 Mihai Marciu

The symmetry-constrained response tensors on transport, optical, and electromagnetic effects are of central importance in condensed matter physics because they can guide experimental detections and verify theoretical calculations. These…

Materials Science · Physics 2025-09-29 Rui-Chun Xiao , Yuanjun Jin , Zhi-Fan Zhang , Zi-Hao Feng , Ding-Fu Shao , Mingliang Tian

Gyrotropic properties of multiple quantum well structures are studied theoretically. Symmetry analysis is performed yielding the gyrotropy tensor components for structures grown along [001], [110] and [311] crystallographic directions.…

Mesoscale and Nanoscale Physics · Physics 2012-01-12 L. E. Golub

Detection of the tensor perturbations predicted in inflationary models is important for testing inflation as well as for reconstructing the inflationary potential. We show that because of cosmic variance the tensor contribution to the…

Astrophysics · Physics 2009-09-25 Lloyd Knox , Michael S. Turner

Magnetic reconnection is a fundamental plasma process involving an exchange of magnetic energy to plasma kinetic energy through changes in the magnetic field topology. In many astrophysical plasmas magnetic reconnection plays a key role in…

A new anisotropic mesh adaptation strategy for finite element solution of elliptic differential equations is presented. It generates anisotropic adaptive meshes as quasi-uniform ones in some metric space, with the metric tensor being…

Numerical Analysis · Mathematics 2015-03-19 Xiaobo Yin , Hehu Xie

Smooth anomalous in time dependence recordings of a high accuracy quartz gravimeter with a constant magnet attached to it, were revealed. These anomalies of minute's duration have amplitudes sometimes by more than an order of magnitude…

High Energy Physics - Phenomenology · Physics 2007-05-23 Yu. A. Baurov , A. V. Kopajev

A (Ga,Mn)As nanoelectromechanical resonator is used to obtain the first direct measurement of magnetostriction in a dilute magnetic semiconductor. Field-dependent magnetoelastic stress induces shifts in resonance frequency that can be…

Soft Condensed Matter · Physics 2009-11-11 S. C. Masmanidis , H. X. Tang , E. B. Myers , Mo Li , K. De Greve , G. Vermeulen , W. Van Roy , M. L. Roukes

Tensorial curvature measures are tensor-valued generalizations of the curvature measures of convex bodies. We prove a complete set of kinematic formulae for such tensorial curvature measures on convex bodies and for their (nonsmooth)…

Metric Geometry · Mathematics 2016-12-28 Daniel Hug , Jan A. Weis

Gravity differs from all other known fundamental forces since it is best described as a curvature of spacetime. For that reason it remains resistant to unifications with quantum theory. Gravitational interaction is fundamentally weak and…

We study new classes of metric transformations in the context of scalar-tensor theories, which involve both higher derivatives of the scalar field and derivatives of the metric itself. In general, such transformations are not invertible as…

General Relativity and Quantum Cosmology · Physics 2025-03-03 Eugeny Babichev , Keisuke Izumi , Karim Noui , Norihiro Tanahashi , Masahide Yamaguchi
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