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Well controlled and highly stable magnetic fields are desired for a wide range of applications in physical research, including quantum metrology, sensing, information processing, and simulation. Here we introduce a low-cost hybrid assembly…

Quantum Physics · Physics 2018-12-21 Frederick Hakelberg , Philip Kiefer , Matthias Wittemer , Tobias Schaetz , Ulrich Warring

We study the self-assembly of magnetic colloids using the Stockmayer (SM) model characterized by short-range Lennard-Jones interactions and long-range dipole-dipole interactions. Using molecular dynamics simulations, we design cooling…

Soft Condensed Matter · Physics 2025-06-30 Anuj Kumar Singh , Sanjay Puri , Varsha Banerjee

We show how spatial dispersion can be used as a mechanism to customize the longitudinal profiles of electric fields inside modulated wire media, using a fast and remarkably accurate 1D inhomogeneous model. This customization gives fine…

Applied Physics · Physics 2018-05-04 Taylor Boyd , Jonathan Gratus , Paul Kinsler , Rosa Letizia

In this paper, we discuss recent progress in magnet-free non-reciprocal structures based on a synthetic form of angular momentum bias imparted via spatiotemporal modulation. We discuss how such components can support metrics of performance…

Signal Processing · Electrical Eng. & Systems 2021-12-22 Ahmed Kord , Andrea Alu

We report the systematic detection of magnetic fields in massive (M > 5 M$_\odot$) late-type supergiants, using spectropolarimetric observations obtained with ESPaDOnS at the Canada-France-Hawaii Telescope. Our observations reveal…

Solar and Stellar Astrophysics · Physics 2015-05-19 Jason H. Grunhut , Gregg A. Wade , David A. Hanes , Evelyne Alecian

Here we present a method of constructing steerable wavelet frames in $L_2(\mathbb{R}^d)$ that generalizes and unifies previous approaches, including Simoncelli's pyramid and Riesz wavelets. The motivation for steerable wavelets is the need…

Classical Analysis and ODEs · Mathematics 2014-02-20 John Paul Ward , Michael Unser

We demonstrate a minimally-destructive in situ technique for measuring and stabilizing slowly-drifting magnetic fields in ultracold-atom experiments. While conventional magnetic-field sensors such as Hall, giant magnetoresistive, or…

Permanent magnet has a small and compact structure, is especially suitable for a narrow space. With the aid of soft iron, the magnetic field can be increased much more and the field uniformity can be well controlled. Most Permanent magnets…

Accelerator Physics · Physics 2023-01-03 Quanling Peng , Jianxin Zhou , Saike Tian , Yingzhe Wang

We show that the magnetization dynamics in diluted magnetic semiconductors can be controlled separately from the static magnetization by means of an electric field. The spin-lattice relaxation (SLR) time of magnetic Mn2+ ions was tuned by…

Materials Science · Physics 2009-11-11 M. K. Kneip , D. R. Yakovlev , M. Bayer , T. Slobodskyy , G. Schmidt , L. W. Molenkamp

We have computed optical Zeeman spectra of magnetic white dwarfs for field strengths between 10 and 200MG and effective temperatures between 8000 and 40000K. They form a database containing 20628 sets of flux and circular polarization…

Astrophysics · Physics 2007-05-23 F. Euchner , S. Jordan , K. Beuermann , B. T. Gaensicke , F. V. Hessmann

The article presents the development of a new and innovative experimental method to fully characterize a solenoidal "spin-flip" Zeeman slower (ZS) using a Quartz Crystal $\mu$-balance (QCM) as a kinetic energy sensor. In this experiment, we…

Atomic Physics · Physics 2021-01-19 A. Chavarría-Sibaja , A. Araya-Olmedo , O. A. Herrera-Sancho

We present a compact design of dual-beam Zeeman slower optimized for efficient production of cold atom applications. Traditional single-beam configurations face challenges from substantial residual atomic flux impacting downstream optical…

Atomic Physics · Physics 2026-02-25 Chen Chen , Kejun Liu , Dezhou Deng , Shuchang Ma , Peng Zhu , Zhichang He , J. F. Che , Xiaoxiao Wu , Peng Chen

We present a dual-species oven and Zeeman slower setup capable of producing slow, high-flux atomic beams for loading magneto-optical traps. Our compact and versatile system is based on electronic switching between different magnetic field…

Simple local interactions can cause primitive building blocks to self-assemble into complex and functional patterns. However, even for a small number of blocks, there exist a vast number of possible configurations that are plausible,…

Soft Condensed Matter · Physics 2024-12-31 Audrey A. Watkins , Osama R. Bilal

The magnetic Skyrmion is described by one control parameter and one length scale. We study the two extreme limits of the control parameter - infinitely large and vanishing - and find that the magnetic Skyrmion becomes a "restricted"…

Mesoscale and Nanoscale Physics · Physics 2024-11-20 Stefano Bolognesi , Sven Bjarke Gudnason , Roberto Menta

The modeling of complex atomic spectra is a difficult task, due to the huge number of levels and lines involved. In the presence of a magnetic field, the computation becomes even more difficult. The anomalous Zeeman pattern is a…

Atomic Physics · Physics 2015-06-04 Jean-Christophe Pain , Franck Gilleron

It has been proposed that a line junction between spiral magnet and superconductor or between ferromagnet and superconductor with Rashba spin-orbital coupling can produce Majorana zero mode (MZM) at the ends of the line. However, a strong…

Superconductivity · Physics 2019-03-19 Wenjie Ji , Xiao-Gang Wen

We describe the design, construction and operation of a versatile dual-species Zeeman slower for both Cs and Yb, which is easily adaptable for use with other alkali metals and alkaline earths. With the aid of analytic models and numerical…

Atomic Physics · Physics 2016-05-06 S. A. Hopkins , K. Butler , R. Freytag , A. Guttridge , S. Kemp , E. A. Hinds , M. R. Tarbutt , S. L. Cornish

We demonstrate a compact (0.25 L) system for laser cooling and trapping atoms from a heated dispenser source. Our system uses a nanofabricated diffraction grating to generate a magneto-optical trap (MOT) using a single input laser beam. An…

Atomic Physics · Physics 2019-06-19 D. S. Barker , E. B. Norrgard , N. N. Klimov , J. A. Fedchak , J. Scherschligt , S. Eckel

We present first quantitative results of the surface magnetic field measurements in selected M-dwarfs based on detailed spectra synthesis conducted simultaneously in atomic and molecular lines of the FeH Wing-Ford $F^4\,\Delta-X^4\,\Delta$…

Solar and Stellar Astrophysics · Physics 2015-05-19 D. Shulyak , A. Reiners , S. Wende , O. Kochukhov , N. Piskunov , A. Seifahrt