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We present a magnetic field confining coil with a sub-$10^{-3}$ field uniformity over a large fraction of the coil. The structure is entirely made out of printed circuit boards (PCBs). The PCB design allows to tailor the path of wires to…

Instrumentation and Detectors · Physics 2017-08-03 Peter A. Koss , Christopher Crawford , Georg Bison , Elise Wursten , Malgorzata Kasprzak , Nathal Severijns

Central compact objects are young neutron stars emitting thermal X-rays with bolometric luminosities $L_X$ in the range $10^{32}$-$10^{34}$ erg/s. Gourgouliatos, Hollerbach and Igoshev recently suggested that peculiar emission properties of…

High Energy Astrophysical Phenomena · Physics 2021-03-17 Andrei P. Igoshev , Konstantinos N. Gourgouliatos , Rainer Hollerbach , Toby S. Wood

The 3D Ising-like system in the external field is described using the non-perturbative collective variables method. The universal as well as nonuniversal system characteristics are obtained within the framework of this approach. The…

High Energy Physics - Theory · Physics 2007-05-23 M. P. Kozlovskii , O. O. Prytula

We present the design and implementation of a mechanical low-pass filter vibration isolation used to reduce the vibrational noise in a cryogen-free dilution refrigerator operated at 10 mK, intended for scanning probe techniques. We discuss…

We present a method of optical magnetometry with parts-per-billion resolution that is able to detect biomagnetic signals generated from the human brain and heart in Earth's ambient environment. Our magnetically silent sensors measure the…

Medical Physics · Physics 2020-07-29 M. E. Limes , E. L. Foley , T. W. Kornack , S. Caliga , S. McBride , A. Braun , W. Lee , V. G. Lucivero , M. V. Romalis

In this paper we present the design and measured performance of a novel cryogenic motor based on a superconducting magnetic bearing (SMB). The motor is tailored for use in millimeter-wave half-wave plate (HWP) polarimeters, where a HWP is…

Instrumentation and Methods for Astrophysics · Physics 2017-10-06 B. R. Johnson , F. Columbro , D. Araujo , M. Limon , B. Smiley , G. Jones , B. Reichborn-Kjennerud , A. Miller , S. Gupta

Some strongly frustrated magnets such as the "spin-ice" compounds fail to produce any magnetic order at finite temperatures even in the presence of magnetic field. Still they have very unusual low-temperature thermodynamic properties…

Materials Science · Physics 2010-05-18 P. N. Timonin

In this paper we discuss the main principles of magnetic design for superconducting magnets (dipoles and quadrupoles) for particle accelerators. We give approximated equations that govern the relation between the field/gradient, the current…

Accelerator Physics · Physics 2015-01-29 E Todesco

The novel field-induced re-entrant phase in multiferroic hexagonal HoMnO3 is investigated to lower temperatures by dc magnetization, ac susceptibility, and specific heat measurements at various magnetic fields. Two new phases have been…

Strongly Correlated Electrons · Physics 2009-11-10 B. Lorenz , F. Yen , M. M. Gospodinov , C. W. Chu

We take a comprehensive look at conductors used in superconducting magnets for the accelerator sector and explore the ramifications of the present marketplace for supply of conductor to future accelerator facilities. While there are…

Accelerator Physics · Physics 2022-08-29 Lance Cooley , David Larbalestier , Kathleen Amm

The magnetic phase diagram of CuFeO2 as a function of applied magnetic field and temperature is thoroughly explored and expanded, both for magnetic fields applied parallel and perpendicular to the material's c-axis. Pulsed field…

Materials Science · Physics 2015-05-18 Tom T. A. Lummen , Cornelius Strohm , Harison Rakoto , Paul H. M. van Loosdrecht

We have studied the magnetotransport of conical and disk-shaped nanocarbon particles in magnetic fields $\left|B\right|\leq9\:\mathrm{T}$ at temperatures $2\leq T\leq300\:\mathrm{K}$ to characterize electron scattering in a three…

Mesoscale and Nanoscale Physics · Physics 2014-07-28 Jozef Černák , Geir Helgesen , Fredrik Sydow Hage , Jozef Kováč

Thermal vector potential formulation is applied to study thermal dynamics of magnetic structures in insulating ferromagnets. By separating variables of the magnetic structure and magnons, the equation of motion for the structure including…

Mesoscale and Nanoscale Physics · Physics 2015-08-12 Gen Tatara

Cryocooler conduction cooled devices can experience significant cooldown time due to lower available cooling capacity compares to convection cooled devices. Therefore, the cooldown time is an important design parameter for conduction cooled…

Instrumentation and Detectors · Physics 2022-10-25 Ram C. Dhuley

We present the design and calibration measurements of a scanning tunneling microscope setup in a 3He ultrahigh-vacuum cryostat operating at 400 mK with a hold time of 10 days. With 2.70 m in height and 4.70 m free space needed for assembly,…

Accelerator magnet test facilities frequently need to measure different magnets on differently equipped test stands and with different instrumentation. Designing a modular and highly reusable system that combines flexibility built-in at the…

Accelerator Physics · Physics 2022-05-04 J. M. Nogiec , P. Akella , G. Chlachidze , J. DiMarco , M. Tartaglia , P. Thompson , K. Trombly-Freytag , D. Walbridge

A fundamental challenge of the quantum revolution is to efficiently interface the quantum computing systems operating at cryogenic temperatures with room temperature electronics and media for high data-rate communication. Current approaches…

We report on our design of a scanning gate microscope housed in a cryogen-free dilution refrigerator with a base temperature of 15 mK. The recent increase in efficiency of pulse tube cryocoolers has made cryogen-free systems popular in…

Instrumentation and Detectors · Physics 2014-09-09 Matthew Pelliccione , Adam Sciambi , John Bartel , Andrew Keller , David Goldhaber-Gordon

A significant advance in magnetic field management in a fully assembled superconducting radiofrequency cryomodule has been achieved and is reported here. Demagnetization of the entire cryomodule after assembly is a crucial step toward the…

Accelerator Physics · Physics 2016-07-27 Anthony C. Crawford , Saravan K. Chandrasekaran

There is a growing interest in using pulsed high magnetic field as a controlling parameter of physical phenomena in various scientific disciplines, such as condensed matter physics, particle physics, plasma physics, chemistry and biological…

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