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We predict that ferromagnetic resonance in insulating magnetic film with inplane magnetization radiates electric fields polarized along the magnetization with opposite amplitudes at two sides of the magnetic insulator, which can be…

Superconductivity · Physics 2023-09-20 Xi-Han Zhou , Tao Yu

Spin-orbit torque arising from the spin-orbit-coupled surface states of topological insulators enables current-induced control of magnetization with high efficiency. Here, alternating-current (AC) driven magnetization reversal is…

Altermagnets have recently emerged as a distinct class of magnetic systems that exhibit spin splitting of electronic bands while retaining zero net magnetization. This unique combination makes them a promising platform for time-reversal…

Mesoscale and Nanoscale Physics · Physics 2026-01-08 Constantin Schrade , Sujit Manna , Mathias S. Scheurer

Numerical simulations of hysteretic ac losses in a tubular superconductor/paramagnet heterostructure subject to an oscillating transverse magnetic field are performed within the quasistatic approach, calling upon the COMSOL finite-element…

Superconductivity · Physics 2015-07-07 Y. A. Genenko , H. Rauh , S. Kurdi

Electromagnetic interference (EMI) is a significant challenge for low-field MRI systems operating without conventional Faraday-shielded rooms. Traditional EMI mitigation approaches include external shields, subject grounding via electrodes,…

Medical Physics · Physics 2026-05-26 Julia Pfitzer , Martin Uecker , Hermann Scharfetter

A recently reported transition in the electrical resistance of different natural graphite samples suggests the existence of superconductivity at room temperature. To check whether dissipationless electrical currents are responsible for the…

Superconductivity · Physics 2017-05-30 Markus Stiller , Pablo D. Esquinazi , Christian E. Precker , José Barzola-Quiquia

HTS are feasible for hight power applications because of the smaller consumption demand of the cooling system in comparison to the whole power device. Real industral devices contain superconductors with 2D and 3D geometry (coated conductors…

Superconductivity · Physics 2019-07-23 M Kapolka

The problem of calculating the ac losses in a superconductor strip with a transport current placed inside superconducting environments is studied analytically in the frame of the critical state model. Exact results obtained by the method of…

Superconductivity · Physics 2015-06-24 Yu. A. Genenko

We present various planar magnetic designs that create points above the plane where the magnitude of the static magnetic field is a local minimum. Structures with these properties are of interest in the disciplines of neutral atom…

Atomic Physics · Physics 2007-05-23 M. Barbic , C. P. Barrett , T. H. Emery , A. Scherer

Motivated by a beautiful demonstration of the Faraday's and Lenz's law in which a small neodymium magnet falls slowly through a conducting non-ferromagnetic tube, we consider the dynamics of a magnet falling through a superconducting pipe.…

Classical Physics · Physics 2009-11-13 Yan Levin , Felipe B. Rizzato

A systematic study has been carried out on the previously reported "magnetic-field-induced superconductivity" of Zn nanowires. By varying parameters such as magnetic field orientation and wire length, the results provide evidence that the…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 Yu Chen , Yen-Hsiang Lin , S. D. Snyder , A. M. Goldman

Owing to the unique features of low Gilbert damping, long spin-diffusion lengths and zero Ohmic losses, magnetic insulators are promising candidate materials for next-generation spintronic applications. However, due to the localized…

Ferromagnetic substrate influences the electromagnetic response of a type-II superconducting film to the applied magnetic field. We present a two-dimensional integrodifferential model for the magnetization of a flat…

Superconductivity · Physics 2024-02-12 Leonid Prigozhin , Vladimir Sokolovsky

Bulk superconductors are used in both many applications and material characterization experiments, being the bulk shape of rectangular prism very frequent. However the magnetization currents are still mostly unknown for this kind of three…

Superconductivity · Physics 2017-12-22 Enric Pardo , Milan Kapolka

It is shown that integration of a thin film superconducting strip with current-carrying control wires enables one to engineer a profile of supercurrent density $J(x)$ with no current crowding at the edges of a strip wider than the magnetic…

Superconductivity · Physics 2026-05-04 Alex Gurevich

We report on the trapping of ultracold atoms in the magnetic field formed entirely by persistent supercurrents induced in a thin film type-II superconducting square. The supercurrents are carried by vortices induced in the 2D structure by…

Atomic Physics · Physics 2015-06-04 M. Siercke , K. S. Chan , B. Zhang , M. Beian , M. J. Lim , R. Dumke

In high power density superconducting motors, superconducting tapes are usually stacked and connected together at terminals to improve the current capacity. When a parallel sinusoidal magnetic field is applied on this partially coupled…

Applied Physics · Physics 2020-05-07 Shuo Li , Enric Pardo , Jan Kovac

Magnetic fields are constrained by the geometry and location of their sources, limiting the ability to freely tailor their spatial distribution. We introduce a general framework to passively convert the magnetic field generated by arbitrary…

We demonstrate a possibility to manipulate the magnetic coupling between two nanomagnets with a help of ac electric field. In the scheme suggested the magnetic coupling in question is mediated by a magnetic particle contacting with both of…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 L. Y. Gorelik , R. I. Shekhter , V. Vinokur , D. Feldman , V. Kozub , M. Jonson

We present a method to suppress the potential roughness of a wire-based, magnetic atom guide: modulating the wire current at a few tens of kHz, the potential roughness, which is proportional to the wire current, averages to zero. Using…