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The critical currents of MOD/RABiTS and PLD/IBAD coated conductors have been measured as a function of magnetic field orientation and compared to films grown on single crystal substrates. By varying the orientation of magnetic field applied…

Superconductivity · Physics 2015-06-25 N. A. Rutter , J. H. Durrell , M. G. Blamire , J. L. MacManus-Driscoll , H. Wang , S. R. Foltyn

We show that a one-dimensional topological superconductor can be realized in carbon nanotubes, using a relatively small magnetic field. Our analysis relies on the intrinsic curvature-enhanced spin-orbit coupling of the nanotubes, as well as…

Mesoscale and Nanoscale Physics · Physics 2020-07-01 Omri Lesser , Gal Shavit , Yuval Oreg

This paper presents a new method for modelling the dynamic behaviour of developable ribbons, two dimensional strips with much smaller width than length. Instead of approximating such surface with a general triangle mesh, we characterize it…

Graphics · Computer Science 2016-03-15 Zherong Pan , Jin Huang , Hujun Bao

We show that topological superconductivity may emerge upon doping of transition metal dichalcogenide heterobilayers above an integer-filling magnetic state of the topmost valence moir\'e band. The effective attraction between charge…

Superconductivity · Physics 2024-01-18 Valentin Crépel , Daniele Guerci , Jennifer Cano , J. H. Pixley , Andrew Millis

Photonic topological insulators are an interesting class of materials whose photonic band structure can have a bandgap in the bulk while supporting topologically protected unidirectional edge modes. Recent studies [1-6] on bianisotropic…

Mesoscale and Nanoscale Physics · Physics 2016-11-23 Bo Xiao , Kueifu Lai , Yang Yu , Tzuhsuan Ma , Gennady Shvets , Steven M. Anlage

We examine a realistic 3-band model, finding it capable of exhibiting the d-wave pairing characteristic of CuO2-based high-Tc superconductors, but only in the presence of symmetry-lowering charge-density stripes aligned along (1,0) axes,…

Superconductivity · Physics 2007-05-23 Daniel C. Mattis

The field-dependent magnetization of UTe$_2$ was measured through the metamagnetic transition at a variety of field angles, tracking how the step in magnetization evolves with fields tilted away from the $b$ axis. For fields oriented within…

Floating offshore wind turbines are a novel technology, which has reached, with the first wind farm in operation, an advanced state of development. The question of how floating wind systems can be optimized to operate smoothly in harsh wind…

Computational Engineering, Finance, and Science · Computer Science 2020-05-28 Frank Lemmer , Wei Yu , Kolja Müller , Po Wen Cheng

A phase field method self-consistently coupled to continuum heat transport and charge conservation is used to simulate conducting filament dynamical evolution and nanostructure of electroformed resistive switching thin films. Our method…

Applied Physics · Physics 2023-07-28 John F. Sevic , Nobuhiko P. Kobayashi

No-insulation (NI) REBCO magnets have many advantages. They are self-protecting, therefore do not need quench detection and protection which can be very challenging in a high Tc superconducting magnet. Moreover, by removing insulation and…

Instrumentation and Detectors · Physics 2017-04-05 Jun Lu , Robert Goddard , Ke Han , Seungyong Hahn

We created local pinning modulations in YBCO films by means of confined high energy heavy ion irradiation. The high energy of the ions allows us to introduce nanometric size defects with a well defined anisotropy. The dose was chosen in…

Superconductivity · Physics 2007-05-23 F. Laviano , D. Botta , A. Chiodoni , R. Gerbaldo , G. Ghigo , L. Gozzelino , B. Minetti , E. Mezzetti

A new interactive approach to navigate on approximations of in general non-convex but connected Pareto fronts is introduced. Given a finite number of precalculated representative Pareto-efficient solutions, an adapted Delaunay triangulation…

Optimization and Control · Mathematics 2020-01-14 Dimitri Nowak , Karl-Heinz Küfer

Application of an external AC magnetic field parallel to superconducting tapes helps in eliminating the magnetization caused by the shielding current induced in the flat faces of the tapes. This method helps in realizing a magnet system…

Superconductivity · Physics 2015-05-28 Kazuhiro Kajikawa , Kazuo Funaki

Higher-order topological superconductors host Majorana zero modes localized at corners or hinges, providing a promising route toward scalable and controllable Majorana networks without vortices or magnetic flux. Here we propose a…

Superconductivity · Physics 2026-02-06 Yongting Shi , Qing Wang , Zhen-Guo Fu , Ping Zhang , Ning Hao

We fabricated a compact (13$\times$12$\times$12.5 mm${^3}$) trapped-field magnet by stacking 200 pieces of EuBa${_2}$Cu${_3}$O${_7}$ coated conductors with BaHfO${_3}$ nanorods as artificial pinning centers. It was magnetized by…

Superconductivity · Physics 2021-05-06 Masahiro Suyama , Sunseng Pyon , Yasuhiro Iijima , Satoshi Awaji , Tsuyoshi Tamegai

Let $\mathcal F$ be a co-oriented $C^2$ foliation on a closed, oriented 3-manifold. We show that $T\mathcal F$ can be perturbed to a contact structure with Reeb flow transverse to $\mathcal F$ if and only if $\mathcal F$ does not support an…

Geometric Topology · Mathematics 2024-12-25 Jonathan Zung

This paper describes the design study of a gantry for a carbon beam. The designed gantry is compact such that its size is comparable to the size of the proton gantry. This is possible by introducing superconducting double helical coils for…

Accelerator Physics · Physics 2016-11-03 J. Kim , M. Yoon

Uniform dipole magnetic fields from 1.9 to 22.4 kOe were permanently trapped, with high fidelity to the original field, transversely to the axes of hollow Nb3Sn superconducting cylinders. These cylinders were constructed by helically…

Superconductivity · Physics 2008-11-26 Mario Rabinowitz , H. W. Arrowsmith , S. D. Dahlgren

Stacks of high-temperature superconducting tape annuli can be used as magnetic shields operating efficiently for both axial and transverse fields. However, due to their layered geometry and hybrid electrical and magnetic properties,…

We consider a model for a one-dimensional quantum wire with Rashba spin-orbit coupling and repulsive interactions, proximity coupled to a conventional s-wave superconductor. Using a combination of Hartree-Fock and density matrix…

Mesoscale and Nanoscale Physics · Physics 2015-04-30 Arbel Haim , Anna Keselman , Erez Berg , Yuval Oreg