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In magnetic superconductors a moving vortex lattice is accompanied by an ac magnetic field which leads to the generation of spin waves. At resonance conditions the dynamics of vortices in magnetic superconductors changes drastically,…

Superconductivity · Physics 2009-11-11 L. N. Bulaevskii , M. Hruška , M. P. Maley

We show that Abrikosov vortices moving towards the surface of a superconductor emit electromagnetic radiation into free space. The frequency distribution of the radiated intensity displays a pronounced maximum at microwave frequencies…

Superconductivity · Physics 2007-05-23 O. V. Dolgov , N. Schopohl

A lattice of Abrikosov vortices in type II superconductors is characterized by a periodic modulation of the magnetic induction perpendicular to the applied magnetic field. For a coherent vortex motion under the action of a transport…

We show that a moving vortex lattice, as it comes to a crystal edge, radiates into a free space the harmonics of the washboard frequency, $\omega_0=2\pi v/a$, up to a superconducting gap, $\Delta/\hbar$. Here $v$ is the velocity of the…

Superconductivity · Physics 2007-05-23 L. N. Bulaevskii , E. M. Chudnovsky

The dynamics of magnetic flux quanta (Abrikosov vortices) determine the resistive response of superconductors. In pinning-free planar thin films, the penetration and motion of vortices are controlled by edge defects, leading to such…

Superconductivity · Physics 2023-11-07 Igor Bogush , Oleksandr V. Dobrovolskiy , Vladimir M. Fomin

We show that a moving Josephson vortex in spatially modulated layered superconductors generates out-of-plane THz radiation. Remarkably, the magnetic and in-plane electric fields radiated are of the same order, which is very unusual for any…

Superconductivity · Physics 2015-06-25 Sergey Savel'ev , Valery Yampol'skii , Alexander Rakhmanov , Franco Nori

Understanding and controlling the motion of superconducting vortices has been a key issue in condensed matter physics and applied superconductivity. Here we present a method for macroscopically manipulating the vortices based on travelling…

Superconductivity · Physics 2023-06-06 Wei Wang , Jiafu Wei , Chenghuai Wu , Guangtong Ma , Hong Li , Hanxin Ye , Yuntian Zhang

As the magnetic field penetrates the surface of a superconductor, it results in the formation of flux-vortices. It has been predicted that the flux-vortices will have a charged vortex core and create a dipolelike electric field. Such a…

Superconductivity · Physics 2022-03-10 Sudhir Kumar Sahu , Supriya Mandal , Sanat Ghosh , Mandar M. Deshmukh , Vibhor Singh

In the frame of an exactly solvable model we calculate electric and magnetic fields created by uniformly moving lattice of Josephson vortices driven by the transport current in the magnetic field parallel to conducting layers. The…

Superconductivity · Physics 2007-05-23 S. N. Artemenko , S. V. Remizov

The response of superconducting devices to electromagnetic radiation is a core concept implemented in diverse applications, ranging from the currently used voltage standard to single photon detectors in astronomy. Suprisingly, a…

Superconductivity · Physics 2015-03-10 Antonio Lara , Farkhad G. Aliev , Alejandro V. Silhanek , Victor V. Moshchalkov

In systems combining type-II superconductivity and magnetism the non-stationary magnetic field of moving Abrikosov vortices may excite spin waves, or magnons. This effect leads to the appearance of an additional damping force acting on the…

Superconductivity · Physics 2015-06-18 A. A. Bespalov , A. S. Mel'nikov , A. I. Buzdin

Spin polarized current can excite the magnetization of a ferromagnet through the transfer of spin angular momentum to the local spin system. This pure spin-related transport phenomena leads to alluring possibilities for the achievement of a…

We predict surface electromagnetic waves propagating across the layers of intrinsic Josephson junctions. We find the spectrum of the surface waves and study the distribution of the electromagnetic field inside and outside the…

Superconductivity · Physics 2009-11-13 V. A. Yampol'skii , D. R. Gulevich , S. Savel'ev , F. Nori

A general phenomenological theory describing dynamics of Josephson vortices coupled to wide class of linear waves in layered high-T$_c$ superconductors is developed. The theory is based on hydrodynamic long wave approximation and describes…

Superconductivity · Physics 2010-01-05 A. V. Chiginev , V. V. Kurin

We demonstrate the detection and control of individual Abrikosov vortices in superconducting microwave resonators. $\lambda/4$ resonators with a narrowed region near the grounded end acting as a vortex trap were fabricated and studied using…

In this work we suggest a phenomenological theory of photogalvanic phenomena in superconducting materials and structures revealing the diode effect. Starting from a generalized London model including the quadratic nonlinearity in the…

Superconductivity · Physics 2024-06-17 S. V. Mironov , A. S. Mel'nikov , A. I. Buzdin

In a thin film of superconducting YBCO the impact of surface acoustic waves (SAWs) traveling on the piezoelectric substrate is investigated. A pronounced interaction between the ultrasonic waves and the vortex system in the type II…

Superconductivity · Physics 2009-11-11 F. Jachmann , C. Hucho

Generation of terahertz harmonics by frequency multiplication with a semiconductor superlattice due to an excitation of relaxation oscillations by incident waves is investigated theoretically. It is shown that the relaxation oscillations…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 Anatoly A Ignatov

Spin-orbit coupling (SOC) is known to play an important role in superconductor/ferromagnet heterostructures. Here we demonstrate that SOC results in the spontaneous generation of vortices in an \textit{s}-wave superconductor placed below a…

Superconductivity · Physics 2020-01-01 L. A. B. Olde Olthof , X. Montiel , J. W. A. Robinson , A. I. Buzdin

Recent measurements on a class of high-Tc superconductors (HTSCs) have shown that Cooper-pairs wavefunction is a d-wave, while in another class, d-wave and s-wave may coexist. Conventional low-Tc superconductors are s-wave superconductors.…

Superconductivity · Physics 2007-05-23 Giorgio Fontana
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