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We propose a new concept for determining the interior magnetic field vector components in neutron electric dipole moment experiments. If a closed three-dimensional boundary surface surrounding the fiducial volume of an experiment can be…

Nuclear Experiment · Physics 2013-09-24 B. Plaster

We demonstrate an all-optical magnetometer capable of measuring the magnitude and direction of a magnetic field using nonlinear magneto-optical rotation in a cesium vapor. Vector capability is added by effective modulation of the field…

Atomic Physics · Physics 2015-06-19 B. Patton , E. Zhivun , D. C. Hovde , D. Budker

Solar eruptive phenomena, like flares and coronal mass ejections(CMEs) are governed by magnetic fields. To describe the structure of these phenomena one needs information on the magnetic flux density and the electric current density vector…

Solar and Stellar Astrophysics · Physics 2015-06-17 Tilaye Tadesse , T. Wiegelmann , Pevtsov A Alexei , P. Macneice , S. Gosain

We demonstrate a versatile variable field module (VFM) with capability of both field and angular dependent measurements up to 1800 Oe for scanning probe system. The magnetic field strength is changed by adjusting the distance between a rare…

Instrumentation and Detectors · Physics 2013-01-23 Hongxue Liu , Ryan Comes , Jiwei Lu , Stuart Wolf , Jim Hodgson , Maarten Rutgers

The Mg I 12.32 and 12.22 $\mu$m lines are a pair of emission lines that present a great advantage for accurate solar magnetic field measurement. They potentially contribute to the diagnosis of solar atmospheric parameters through their high…

Solar and Stellar Astrophysics · Physics 2021-02-17 Xin Li , YongLiang Song , H. Uitenbroek , Xiao Yang , XianYong Bai , YuanYong Deng

We present a novel approach allowing an optically pumped magnetometer (OPM) to be operated within Earth's magnetic field as a vector magnetometer whose sensitive axis can be freely defined. This approach enables the measurement of any…

Instrumentation and Detectors · Physics 2024-08-20 Thomas Schönau , Theo Scholtes , Florian Wittkämper , Alexander Sekels , Stefan Hiebel , Gregor Oelsner , Ronny Stolz

Current density distributions in active integrated circuits (ICs) result in patterns of magnetic fields that contain structural and functional information about the IC. Magnetic fields pass through standard materials used by the…

We propose an innovative design for a vector magnet compatible with neutron scattering experiments. This would vastly expand the range of experimental possibilities since applying a magnetic field and orienting the sample in diffraction…

Instrumentation and Detectors · Physics 2016-04-28 P. Lavie , A. M. Bataille , A. Peugeot , P. Bredy , C. Berriaud , A. Daël , J. -M. Riffet , S. Klimko , J. -L. Meuriot , T. Robillard , G. Aubert

We investigate the accuracy to which we can retrieve the solar photospheric magnetic field vector using the Helioseismic and Magnetic Imager (HMI) that will fly onboard of the Solar Dynamics Observatory (SDO) by inverting simulated HMI…

Astrophysics · Physics 2009-11-11 J. M. Borrero , S. Tomczyk , A. Norton , T. Darnell , J. Schou , P. Scherrer , R. Bush , Y. Liu

The soft X-ray flux produced by solar axions in the Earth's magnetic field is evaluated in the context of ESA's XMM-Newton observatory. Recent calculations of the scattering of axion-conversion X-rays suggest that the sunward magnetosphere…

High Energy Astrophysical Phenomena · Physics 2014-09-16 G. W. Fraser , A. M. Read , S. Sembay , J. A. Carter , E. Schyns

Complex 3D magnetic textures in nanomagnets exhibit rich physical properties, for example in their dynamic interaction with external fields and currents, and play an increasing role for current technological challenges such as…

The current work investigates the Venusian solar-wind-induced magnetosphere at a high spatial resolution using all Venus Express (VEX) magnetic observations through an unbiased statistical method. We first evaluate the predictability of the…

Space Physics · Physics 2021-12-20 Maosheng He , Joachim Vogt , Eduard Dubinin , Tielong Zhang , Zhaojin Rong

The magnetic properties of the quiet Sun are investigated using a novel inversion code, FATIMA, based on the Principal Component Analysis of the observed Stokes profiles. The stability and relatively low noise sensitivity of this inversion…

Astrophysics · Physics 2009-11-07 H. Socas-Navarro , J. Sanchez Almeida

Aims. We aim to infer information about the magnetic field in the low solar corona from coronal rain clumps using high-resolution spectropolarimetric observations in the Ca ii 8542 A line obtained with the Swedish 1-m Solar Telescope.…

Solar and Stellar Astrophysics · Physics 2021-06-09 M. Kriginsky , R. Oliver , P. Antolin , D. Kuridze , N. Freij

The problem of detection of magnetic fields using NV centers, that is, to check whether a weak magnetic field is present or not, can be tackled using quantum state discrimination theory. In this regard, we find the POVMs that maximize the…

Quantum Physics · Physics 2021-12-10 Ghazi Khan , Adam Zaman Chaudhry

By using gauge/gravity duality, we calculate the spectral function of the heavy vector mesons with the presence of an intense magnetic field in a hot and dense medium. The results show that, a general conclusion, as the increases of…

High Energy Physics - Phenomenology · Physics 2023-02-07 Yan-Qing Zhao , Defu Hou

Despite decades of advances in magnetic imaging, obtaining direct, quantitative information with nanometer scale spatial resolution remains an outstanding challenge. Recently, a new technique has emerged that employs a single…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 L. Rondin , J. P. Tetienne , S. Rohart , A. Thiaville , T. Hingant , P. Spinicelli , J. -F. Roch , V. Jacques

A fully covariant model for describing the electromagnetic decay of Vector Mesons, both in light and in heavy sectors, is presented. The main ingredients of our approach are i) an Ansatz for the Bethe-Salpeter vertex for Vector Mesons, and…

High Energy Physics - Phenomenology · Physics 2008-02-22 Silvia Pisano , Tobias Frederico , Emanuele Pace , Giovanni Salme`

The differential spectrum of TeV gamma rays between 1.5 TeV and 20 TeV from the north-east rim of SN1006 was obtained from the data observed in 1996 and 1997 using the 3.8m CANGAROO \v{C}erenkov telescope. This spectrum matches the model…

Astrophysics · Physics 2007-05-23 T. Tanimori , T. Naito , T. Yoshida , CANGAROO collaboration

This letter reports on a set of full-Stokes spectropolarimetric observations in the near infrared He I 10830 A spectral region covering the pre-, flare, and post-flare phases of an M3.2 class solar flare. The flare originated on 2013 May 17…

Solar and Stellar Astrophysics · Physics 2015-06-23 C. Kuckein , M. Collados , R. Manso Sainz