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Related papers: The SPARC Toroidal Field Model Coil Program

200 papers

Blocks-in-Conduit is a novel approach to cable, coil, and splice technologies with unique benefits for a high-current-den-sity toroid D winding to operate at 20 T, 20 K. Blocks of REBCO tape are cabled in conduit, with a thin-wall…

Accelerator Physics · Physics 2021-06-02 Peter M McIntyre , John S Rogers , Akhdiyor Sattarov

A topological insulator (TI) nanowire (NW), where the core is insulating and the 2D spin-helical Dirac fermion topological surface states (TSS) are circumferentially quantized into a series of 1D sub-bands, promises novel topological…

Mesoscale and Nanoscale Physics · Physics 2017-06-22 Luis A. Jauregui , Michael T. Pettes , Leonid P. Rokhinson , Li Shi , Yong P. Chen

We establish quasi-two-dimensional thin films of iron-based superconductors (FeSCs) as a new high-temperature platform for hosting intrinsic time-reversal-invariant helical topological superconductivity (TSC). Based on the combination of…

Superconductivity · Physics 2021-04-13 Rui-Xing Zhang , S. Das Sarma

Superconducting topological metals (SCTMs) have recently emerged as a promising platform of topological superconductivity (TSC) and Majorana zero modes(MZMs) for quantum computation. Despite their importance in both fundamental research and…

Materials Science · Physics 2023-12-18 Aiyun Luo , Ying Li , Yi Qin , Jingnan Hu , Biao Lian , Gang Xu

In this study, we propose an alternative route to achieving topological superconductivity (TSC). Our approach applies to a new class of correlated noncentrosymmetric materials that host two spin-split Fermi surfaces with identical spin…

Superconductivity · Physics 2026-01-28 Lichuan Wang , Ran Wang , Xinliang Huang , Xianxin Wu , Ning Hao

We report high field (up to 13 Tesla) magneto transport R(T)H] of YBa2Cu3O7 (YBCO):Agx (x= 0.0, 0.1 and 0.2) composites. The transport properties are significantly improved by Ag doping on the insulating grain boundaries of YBCO. Pure and…

Superconductivity · Physics 2015-06-17 Poonam Rani , Anand Pal , V. P. S Awana

The measurement of the magnetic field in the tracking volume inside the superconducting coil of the Compact Muon Solenoid (CMS) detector under construction at CERN is done with a fieldmapper designed and produced at Fermilab. The…

The concept of a storage ring with toroidal magnetic field was presented in the two previous EPAC conferences. Here we report the first results of experiments performed with beam transport in toroidal magnetic fields and details of the…

Accelerator Physics · Physics 2016-06-21 N. Joshi , M. Droba , O. Meusel , U. Ratzinger

Heavy fermion UTe$_2$ is a promising candidate for topological superconductivity that also exhibits multiple high-field superconducting phases. The SC$_{\rm{FP}}$ phase has only been observed in off-axis magnetic fields in the $bc$ plane at…

We present a lattice field theory of spins coupled to Dirac fermions, as a model for the doped copper oxide compounds. Both the fermionic and spin degrees of freedom are treated dynamically. The influence of the charge carriers on the…

Superconductivity · Physics 2007-05-23 J. L. Alonso , Ph. Boucaud , V. Martin-Mayor , A. J. van der Sijs

We report here that magnetic fields of almost 34 T, far above the upper 24 T limit of Nb3Sn, can be generated using a multifilament round wire conductor made of the high temperature cuprate superconductor Bi2Sr2CaCu2O8-x (Bi-2212). A…

This paper summarizes our work on the fabrication, characterization, and modeling of a high-temperature superconducting double racetrack (DRC) coil. Using an in-house developed winding system, a DRC was wound with ReBCO superconducting…

Accelerator Physics · Physics 2025-10-14 Lauro Ferreira , Yasmine Baazizi , Simon Meunier , Tanguy Phulpin , Tianyong Gong , Loïc Quéval

Silicon Carbide is renowned for its exceptional thermal stability, making it a crucial material for high-temperature power devices in extreme environments. While optically detected magnetic resonance in SiC has been widely studied for…

Instrumentation and Detectors · Physics 2025-06-10 F. Sgrignuoli , I. Viti , Z. G. Yu , E. Allridge , P. Lenahan , S. Goswami , R. Ghandi , M. Aghayan , D. M. Shaddock

Over the last decade, the possibility of realizing topological superconductivity (TSC) has generated much excitement, mainly due to the potential use of its excitations (Majorana zero modes) in a fault-tolerant topological quantum computer…

Silver (Ag) is an established additive for improving the mechanical properties of single grain, (RE)BCO bulk superconductors (where RE = Sm, Gd and Y). The presence of Ag in the (RE)BCO bulk composition, however, typically reduces the…

Superconductivity · Physics 2015-06-23 Y-H Shi , A R Dennis , D A Cardwell

In the ferrimagnetic semiconductor Mn$_3$Si$_2$Te$_6$, a colossal magnetoresistance (CMR) is observed only when a magnetic field is applied along the magnetic hard axis ($\mathbf{H}\parallel c$). This phenomenon suggests an unconventional…

Steady State Superconducting Tokamak (SST-1) at the Institute for Plasma Research (IPR) is an operational device and is the first superconducting Tokamak in India. Superconducting Magnets System (SCMS) in SST-1 comprises of sixteen Toroidal…

Instrumentation and Detectors · Physics 2018-02-12 G. K. Singh , R. Panchal , V. L. Tanna , S. Pradhan

The conceptual design study of a Future Circular hadron-hadron Collider (FCC-hh) with a center-of-mass energy of the order of 100 TeV, assumed to be constructed in a new tunnel of 80-100 km circumference, includes the determination of the…

High-temperature superconductivity has a significant opportunity to improve the performance of nuclear magnetic resonance (NMR) spectroscopy and magnetic resonance imaging (MRI) systems. The low rf losses and low operating temperatures of…

Superconductivity · Physics 2007-05-23 Steven M. Anlage

Ultrastrong magnetic fields, ranging from 100~T to 1,000~T, are generated exclusively by destructive pulsed magnets. While various generation methods exist, this review focuses on the Single-Turn Coil (STC) and Electromagnetic Flux…

Instrumentation and Detectors · Physics 2026-05-13 Shojiro Takeyama