English
Related papers

Related papers: Probing Three-Dimensional Magnetic Fields: IV -- S…

200 papers

Low-collisionality plasma in a magnetic field generically develops anisotropy in its distribution function with respect to the magnetic field direction. Motivated by the application to radiation from accretion flows and jets, we explore the…

High Energy Astrophysical Phenomena · Physics 2023-09-20 Alisa Galishnikova , Alexander Philippov , Eliot Quataert

The magnetic properties of anisotropic films have been studied using 3D-neutron polarization analysis. The experimental facts refer to essential distinction of the sample states, magnetized in opposite directions. For an explanation of…

Condensed Matter · Physics 2007-05-23 A. V. Kovalev , L. A. Akselrod

We describe a recent full-polarization radio continuum survey, performed using the Westerbork Synthesis Radio Telescope (WSRT), of several nearby galaxies in the Spitzer Infrared Nearby Galaxies Survey (SINGS) sample. The WSRT-SINGS survey…

Astrophysics of Galaxies · Physics 2009-11-23 G. Heald , R. Braun

Faraday tomography is a new method of the study of cosmic magnetic fields enabled by broadband low-frequency radio observations. By Faraday tomography, it is possible to obtain the Faraday dispersion function which contains information on…

Astrophysics of Galaxies · Physics 2023-03-15 Keitaro Takahashi

We explore the multi-faceted important features of turbulence (e.g., anisotropy, dispersion, diffusion) in the three-dimensional (3D) wavenumber domain ($k_\parallel$, $k_{\perp,1}$, $k_{\perp,2}$), by employing the k-filtering technique to…

Plasma Physics · Physics 2022-11-30 Rong Lin , Jiansen He , Xingyu Zhu , Lei Zhang , Die Duan , Fouad Sahraoui , Daniel Verscharen

Super-resolution mapping of the 3D orientation of fluorophores reveals the alignment of biological structures where the fluorophores are tightly attached, and thus plays a vital role in studying the organization and dynamics of…

Optics · Physics 2024-01-23 Xiaowei Liu , Mingwei Tang , Ning Zhou , Chenlei Pang , Zhong Wen , Xu Liu , Qing Yang

We have constructed an analytic formula to treat the perpendicular magnetic anisotropy energy in ferromagnetic metals with low symmetry, such as C4V and C3V. We find that the anisotropy energy is proportional to a part of the expectation…

Materials Science · Physics 2019-03-27 Yoshishige Suzuki , Shinji Miwa

The relative population of the fine structure sublevels of an atom's ground state is affected by radiative transitions induced by an anisotropic radiation flux. This causes the alignment of atomic angular momentum. In terms of observational…

Astrophysics · Physics 2008-11-26 Huirong Yan , A. Lazarian

Observational study of galactic magnetic fields is limited by projected observables. Comparison with numerical simulations is helpful to understand the real structures, and observational visualization of numerical data is an important task.…

Astrophysics of Galaxies · Physics 2018-11-14 Mami Machida , Takuya Akahori , Kenji Nakamura , Hiroyuki Nakanishi , Marijke Haverkorn

Three-dimensional magnetic fields (3D B-fields) are essential to understand the formation and evolution of the interstellar medium and multi-scale star formation; however, the accurate measurement of 3D B-fields is still challenging. The…

Astrophysics of Galaxies · Physics 2025-10-09 Bao Truong , Thiem Hoang , Nguyen Bich Ngoc , Nguyen Chau Giang , Le Ngoc Tram , Ngan Le

Perpendicular magnetic anisotropy of the new ferromagnetic semiconductor (Ba,K)(Zn,Mn)$_{2}$As$_{2}$ is studied by angle-dependent x-ray magnetic circular dichroism measurements. The large magnetic anisotropy with the anisotropy field of…

Determining the electric field (E-field) distribution on the Sun's photosphere is essential for quantitative studies of how energy flows from the Sun's photosphere, through the corona, and into the heliosphere. This E-field also provides…

Solar and Stellar Astrophysics · Physics 2014-11-20 G. H. Fisher , B. T. Welsch , W. P. Abbett , D. J. Bercik

Within this work a passive and wireless magnetic sensor, to monitor linear displacements is proposed. We exploit recent advances in 3D printing and fabricate a polymer bonded magnet with a spatially linear magnetic field component…

The technique of Faraday tomography is a key tool for the study of magnetised plasmas in the new era of broadband radio polarisation observations. In particular, observations at metre-wavelengths provide significantly better Faraday depth…

High Energy Astrophysical Phenomena · Physics 2018-12-03 Shane P. O'Sullivan , M. Brüggen , C. L. Van Eck , M. J. Hardcastle , M. Haverkorn , T. W. Shimwell , C. Tasse , V. Vacca , C. Horellou , G. Heald

Identifying brain hemorrhages from magnetic resonance imaging (MRI) is a critical task for healthcare professionals. The diverse nature of MRI acquisitions with varying contrasts and orientation introduce complexity in identifying…

Image and Video Processing · Electrical Eng. & Systems 2026-05-12 Badhan Kumar Das , Gengyan Zhao , Boris Mailhe , Thomas J. Re , Dorin Comaniciu , Eli Gibson , Andreas Maier

The structure of magnetic fields in galaxies remains poorly constrained, despite the importance of magnetism in the evolution of galaxies. Radio synchrotron and far-infrared (FIR) polarization and polarimetric observations are the best…

For isotropic media, the magnetic field applied across the light propagation direction affects their optical properties only in the second order, and its effect proves to be much weaker than in the longitudinal field. In this work, we show…

We present three-dimensional magnetic power spectra in wavevector space to investigate anisotropy and scalings of sub-Alfv\'enic solar wind turbulence at magnetohydrodynamic (MHD) scale using the Magnetospheric Multiscale spacecraft. The…

Solar and Stellar Astrophysics · Physics 2022-11-29 S. Q. Zhao , Huirong Yan , Terry Z. Liu , Mingzhe Liu , Huizi Wang

The structure and static magnetic properties - saturation magnetization, perpendicular anisotropy, spectroscopic g-factor, and orbital magnetization - of thin-film 3d transition metal alloys are determined over the full range of alloy…

The polarization of X-ray emission is a unique tool used to investigate the magnetic field structure around astrophysical objects. In this paper, we study the linear polarization of X-ray emissions from gamma-ray binary systems based on…

High Energy Astrophysical Phenomena · Physics 2022-08-17 Xingxing Hu , Jumpei Takata
‹ Prev 1 3 4 5 6 7 10 Next ›