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In a magnetically-dominated model of star formation, we expect to see alignments between the magnetic field orientation of star-forming dense cores and the cloud-scale magnetic field. Pandhi et al. (2023) showed instead, however, that the…

Extragalactic Fast Radio Bursts (FRBs) have large dispersion measures (DMs) and are unique probes of intergalactic electron density fluctuations. By using the recently released First CHIME/FRB Catalog, we reexamined the structure function…

Cosmology and Nongalactic Astrophysics · Physics 2021-12-08 Siyao Xu , David H. Weinberg , Bing Zhang

The calculation of the demagnetization field is crucial in various disciplines, including magnetic resonance imaging (MRI) and micromagnetics. A standard method involves discretizing the spatial domain into finite difference cells and using…

Applied Physics · Physics 2024-08-27 Hao Liang , Xinqiang Yan

This paper presents a new method to obtain the deformation distribution on the main reflector of an antenna only by measuring the electric intensity on a spherical surface with the focal point as the center of the sphere, regardless of…

Instrumentation and Methods for Astrophysics · Physics 2021-12-08 Qian Ye , Boyang Wang , Qiang Yao , Jinqing Wang , Qinghui Liu , Zhiqiang Shen

Magnetic force microscopy (MFM) measurements generally provide phase images which represent the signature of domain structures on the surface of nanomaterials. To quantitatively determine magnetic stray fields based on an MFM image requires…

Data Analysis, Statistics and Probability · Physics 2020-02-20 Xiukun Hu , Gaoliang Dai , Sibylle Sievers , Alexander Fernández Scarioni , Volker Neu , Mark Bieler , Hans Werner Schumacher

The precise derivation of physical quantities like temperature or pressure at arbitrary locations is useful in numerous contexts, e.g. medical procedures or industrial process engineering. The novel sensor technology of magneto-mechanical…

Applied Physics · Physics 2025-09-01 Jonas Faltinath , Fabian Mohn , Fynn Foerger , Martin Möddel , Tobias Knopp

The Space Infrared Telescope Facility (SIRTF) will drift away from the Earth at about 0.1 AU/yr. Microlensing events will therefore have different characteristics as seen from the satellite and the Earth. From the difference, it is possible…

Astrophysics · Physics 2009-10-30 Andrew Gould

We assess the principal statistical and physical uncertainties associated with the determination of magnetic field strengths in clusters of galaxies from measurements of Faraday rotation (FR) and Compton-synchrotron emissions. In the former…

Astrophysics · Physics 2009-11-07 William I. Newman , Alice L. Newman , Yoel Rephaeli

Observational data for the hourglass-like magnetic field toward the starless dense core FeSt 1-457 were compared with a flux freezing magnetic field model (Myers et al. 2018). Fitting of the observed plane-of-sky magnetic field using the…

Tagged magnetic resonance imaging (tMRI) has been employed for decades to measure the motion of tissue undergoing deformation. However, registration-based motion estimation from tMRI is difficult due to the periodic patterns in these…

Image and Video Processing · Electrical Eng. & Systems 2023-08-08 Zhangxing Bian , Shuwen Wei , Yihao Liu , Junyu Chen , Jiachen Zhuo , Fangxu Xing , Jonghye Woo , Aaron Carass , Jerry L. Prince

The measurement of extremely small displacements is of utmost importance, both for fundamental studies [1-4], and practical applications [5-7]. One way to estimate a small displacement is to measure the Doppler shift generated in light…

Instrumentation and Detectors · Physics 2019-01-30 Bethany J. Little , Julián Martínez-Rincón , Umberto Bortolozzo , Stefania Residori , John C. Howell

This paper introduces a novel framework for measuring multidimensional inequality based on a statistical physics reinterpretation of centrifugal and centripetal forces in rotating systems. Inspired by the mechanics of the Gravitron and…

Physics and Society · Physics 2025-10-21 Rolando Gonzales Martinez

Wide-band radio polarization observations offer the possibility to recover information about the magnetic fields in synchrotron sources, such as details of their three-dimensional configuration, that has previously been inaccessible. The…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-18 Cathy Horellou , Andrew Fletcher

Pulsars can act as an excellent probe of the Milky Way magnetic field. The average strength of the Galactic magnetic field component parallel to the line of sight can be estimated as $\langle B_\parallel \rangle = 1.232 \,…

Astrophysics of Galaxies · Physics 2021-01-27 Amit Seta , Christoph Federrath

We introduce a unified approach that, given a strong gravitationally lensed polarised source, self-consistently infers its complex surface brightness distribution and the lens galaxy mass-density profile, magnetic field and electron density…

Astrophysics of Galaxies · Physics 2024-07-30 S. Ndiritu , S. Vegetti , D. M. Powell , J. P. McKean

A measure of asymmetry is a quantification method that allows for the comparison of categorical evaluations before and after treatment effects or among different target populations, irrespective of sample size. We focus on square…

Methodology · Statistics 2024-10-22 Wataru Urasaki , Go Kawamitsu , Tomoyuki Nakagawa , Kouji Tahata

The repeating fast radio burst (FRB) 121102 was recently localized in a dwarf galaxy at a cosmological distance. The dispersion measure (DM) derived for each burst from FRB 121102 so far has not shown significant evolution, even though an…

High Energy Astrophysical Phenomena · Physics 2017-09-27 Yuan-Pei Yang , Bing Zhang

Magnetization of a ferromagnetic substance in response to an externally applied magnetic field increases with the strength of the field. This is because at the microscopic level, magnetic moments in certain regions or domains of the…

Machine Learning · Computer Science 2025-12-12 Vijay Prakash S

Measuring the magnetic field of permanent magnets can be challenging, but recent research has demonstrated the potential of using deformed diamagnetic liquids to estimate the magnetic field. In this paper, we explore two methods for…

Applied Physics · Physics 2023-08-09 David Shulman

In this note, we address several issues, including some raised in recent works and commentary, related to bending measures and energies for plates and shells, and certain of their invariance properties. We discuss overlaps and distinctions…

Soft Condensed Matter · Physics 2025-06-03 J. A. Hanna , E. Vitral
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