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A method to realize effective magnetic fields for photons in square lattices of coupled optical waveguides or resonators is suggested, which is inspired by an optical analogue of photon-assisted tunneling of atom optics. It is shown that an…

Quantum Physics · Physics 2013-10-21 Stefano Longhi

A compact Halbach array magnet is used to measure the momentum of the secondary particles in EMPHATIC (Experiment to Measure the Production of Hadrons At a Test beam In Chicagoland). Hall probe data was taken for the central cylindrical…

High Energy Physics - Experiment · Physics 2025-01-07 Prachi Sharma

Finding reliably and efficiently the spectrum of the resonant states of an optical system under varying parameters of the medium surrounding it is a technologically important task, primarily due to various sensing applications.…

Optics · Physics 2023-09-28 S. F. Almousa , E. A. Muljarov

So far, most of the developments in muography (or cosmic-ray muon radiography) have been based on either the scattering or the absorption of cosmic-ray muons produced by the nuclear interactions between primary cosmic-rays and the nuclei of…

Instrumentation and Detectors · Physics 2022-01-20 Hamid Basiri , Tadahiro Kin , Naoya Okamoto , Eduardo Cortina Gil , Andrea Giammanco

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

In this paper we present a novel slanted-plane MRF model which reasons jointly about occlusion boundaries as well as depth. We formulate the problem as the one of inference in a hybrid MRF composed of both continuous (i.e., slanted 3D…

Computer Vision and Pattern Recognition · Computer Science 2012-04-09 Koichiro Yamaguchi , Tamir Hazan , David McAllester , Raquel Urtasun

Discovering a new field is not usually an easy process, especially when you choose magnetic resonance imaging (MRI). MRI is one of the few non-invasive medical procedures, if not the only one, that someone can receive in modern day…

Medical Physics · Physics 2019-08-20 Alexis Reymbaut , Maxime Descoteaux

Compression experiments are widely used to study the mechanical properties of materials at micro- and nanoscale. However, the conventional engineering stress measurement method used in these experiments neglects to account for the…

Materials Science · Physics 2025-07-24 Jalal Smiri , Oguz Umut Salman , Matteo Ghidelli , Ioan R. Ionescu

We compute the spectrum and several critical amplitudes of the two dimensional Ising model in a magnetic field with the transfer matrix method. The three lightest masses and their overlaps with the spin and the energy operators are computed…

High Energy Physics - Theory · Physics 2008-11-26 M. Caselle , M. Hasenbusch

We describe a technique to analytically compute the multipole moments of a charge distribution confined to a planar triangle, which may be useful in solving the Laplace equation using the fast multipole boundary element method (FMBEM) and…

Computational Physics · Physics 2015-06-22 John P. Barrett , Joseph A. Formaggio , Thomas J. Corona

We present an analytical solution for the magnetic field of a homogeneously magnetized cylinder tile and by extension solutions for full cylinders, rings, cylinder sectors and ring segments. The derivation is done by direct integration in…

Classical Physics · Physics 2022-06-22 Florian Slanovc , Michael Ortner , Mohssen Moridi , Claas Abert , Dieter Suess

The efficient use of a multipole expansion of the far field for rapid numerical modeling and optimization of the optical response from ordered and disordered arrays of various structural elements is complicated by the ambiguity in choosing…

Optics · Physics 2023-11-23 Alexander V. Kildishev , Karim Achouri , Daria Smirnova

We present a spectroscopic method for mapping two-dimensional distributions of magnetic field strengths (magnetic scalar potential lines) using CCD recordings of the fluorescence patterns emitted by spin-polarized Cs vapor in a buffer gas…

Atomic Physics · Physics 2014-05-12 Ilja Fescenko , Antoine Weis

This paper discusses sparse isotropic regularization for a random field on the unit sphere $\mathbb{S}^2$ in $\mathbb{R}^{3}$, where the field is expanded in terms of a spherical harmonic basis. A key feature is that the norm used in the…

Numerical Analysis · Mathematics 2018-01-11 Quoc T. Le Gia , Ian H. Sloan , Robert S. Womersley , Yu Guang Wang

Magnetic particle imaging (MPI) is an emerging medical imaging modality which offers a unique combination of high temporal and spatial resolution, sensitivity and biocompatibility. For system-matrix (SM) based image reconstruction in MPI, a…

Software Engineering · Computer Science 2024-01-12 Anselm von Gladiss , Amir Shayan Ahmadian , Jan Jürjens

The main ideas and some of the most important results of the spherically symmetric self-consistent approach and a number of related theoretical algorithms are presented. These methods make it possible to study low-dimensional…

Strongly Correlated Electrons · Physics 2026-05-18 A. F. Barabanov , V. E. Valiulin , A. V. Mikheyenkov , P. S. Savchenkov

Over the southern African region the geomagnetic field is weak and changes rapidly. For this area series of geomagnetic field measurements exist since the 1950s. We take advantage of the existing repeat station surveys and observatory…

Geophysics · Physics 2010-04-07 Anne Geese , Michael Hayn , Vincent Lesur , Mioara Mandea

The spectra of, e.g. open quantum systems are typically given as the superposition of resonances with a Lorentzian line shape, where each resonance is related to a simple pole in the complex energy domain. However, at exceptional points two…

Chaotic Dynamics · Physics 2014-03-12 Jacob Fuchs , Jörg Main , Holger Cartarius , Günter Wunner

The interplay among the spectrum, geometry and magnetic field in tubular neighbourhoods of curves in Euclidean spaces is investigated in the limit when the cross section shrinks to a point. Proving a norm resolvent convergence, we derive…

Mathematical Physics · Physics 2015-06-15 David Krejcirik , Nicolas Raymond

The development of advanced packaging is essential in the semiconductor manufacturing industry. However, non-destructive testing (NDT) of advanced packaging becomes increasingly challenging due to the depth and complexity of the layers…

Instrumentation and Detectors · Physics 2025-07-17 J. Senthilnath , Jayasanker Jayabalan , Zhuoyi Lin , Aye Phyu Phyu Aung , Chen Hao , Kaixin Xu , Yeow Kheng Lim , F. C. Wellstood