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Novel hyperuniform materials are emerging as an active field of applied and basic research since they can be designed to have exceptional physical properties. This ubiquitous state of matter presents a hidden order that is characterized by…

We study numerically the motion of vortices in dirty type II superconductors. In two dimensions at strong driving currents, vortices form highly correlated ``static channels''. The static structure factor exhibits convincing scaling…

Condensed Matter · Physics 2007-05-23 Kyungsun Moon , Richard T. Scalettar , Gergely T. Zimanyi

The origin of a vortex structure generated during the shock-plasma interaction is investigated. A two-dimensional model based on the shock refraction mechanism successfully unifies the vortex generation with major co-processes typical for…

Fluid Dynamics · Physics 2018-08-01 A. Markhotok

We study the zero-temperature dynamic transition from the disordered flow to an ordered flow state in driven vortices in type-II superconductors. The transition current $I_{p}$ is marked by a sharp kink in the $V(I)$ characteristic with a…

Superconductivity · Physics 2009-11-10 Mahesh Chandran , R. T. Scalettar , G. T. Zimanyi

We consider a coupled linear system describing a thermoviscoelastic plate with hereditary effects. The system consists of a hyperbolic integrodifferential equation, governing the temperature, which is linearly coupled with the partial…

Analysis of PDEs · Mathematics 2008-10-10 Maurizio Grasselli , Jaime E. Munoz Rivera , Marco Squassina

We derive a refraction law for superconducting vortices at superconductor/normal metal interfaces. Simulations of the proximity effect under tilted geometries confirm this law and reveal vortex trapping for low effective mass. Under…

Superconductivity · Physics 2026-04-28 Matéo F. L. Roinard-Chauvet , Axel J. M. Deenen , Dirk Grundler

The vortex dynamics and the specific heat of a type II superconducting system with quasi-periodic geometry is studied theoretically for different values of interaction parameters using the numerical simulation technique, where the…

Superconductivity · Physics 2016-07-27 S. Acharjee , U. D. Goswami

We present a simple nanodevice that can operate in two modes: i) three-state memory and ii) reading device. The nanodevice is fabricated with an array of ordered triangular-shaped nanomagnets embedded in a superconducting thin film. The…

Superconductivity · Physics 2016-08-05 J. del Valle , A. Gomez , E. M. Gonzalez , M. R. Osorio , D. Granados , J. L. Vicent

Solids are rigid, which means that when left undisturbed, their structures are nearly static. It follows that these structures depend on history -- but it is surprising that they hold readable memories of past events. Here we review the…

Soft Condensed Matter · Physics 2025-02-11 Joseph D. Paulsen , Nathan C. Keim

A superconducting rod with a magnetic moment on top develops vortices obtained here through 3D calculations of the Ginzburg-Landau theory. The inhomogeneity of the applied field brings new properties to the vortex patterns that vary…

Superconductivity · Physics 2015-05-14 Antonio R. de C. Romaguera , Mauro M. Doria , F. M. Peeters

We develop a theory of conductivity of type-II superconductors in the flux flow regime taking into account random spatial fluctuations of the system parameters, such as the gap magnitude $\Delta$(r) and the diffusion coefficient D(r). We…

Superconductivity · Physics 2020-12-30 M. Smith , A. V. Andreev , M. V. Feigel'man , B. Z. Spivak

Optical vortex beams have been under considerable attention recently due to their demonstrated potential for applications ranging from optical communication to particle trapping. Practical problems related to the dependence between their…

A review is given on the theory of vortex-glass phases in impure type-II superconductors in an external field. We begin with a brief discussion of the effects of thermal fluctuations on the spontaneously broken U(1) and translation…

Superconductivity · Physics 2015-06-24 T. Nattermann , S. Scheidl

The small size vortex-antivortex pairs proliferation in type II superconducting film is considered for the wide interval of temperatures below Tc. The corresponding contribution to free energy is calculated. It is shown that these…

Superconductivity · Physics 2016-08-31 Yu. N. Ovchinnikov , A. A. Varlamov

A tungsten filament immersed in superfluid helium has strong hysteretic $I$-$V$ characteristics. By increasing the applied voltage, a remarkable current drop occurs at a transition voltage, at which the filament enters a non-ohmic hot state…

Applied Physics · Physics 2021-01-01 Che-Chi Shih , Ming-Huei Huang , Pang-Chia Chang , Po-Wei Yu , Wen-Bin Jian , Kimitoshi Kono

We present results from extensive simulations of driven vortex lattices interacting with periodic arrays of pinning sites. Changing an applied driving force produces a rich variety of novel dynamical plastic flow phases which are very…

Superconductivity · Physics 2009-10-30 C. Reichhardt , C. J. Olson , Franco Nori

Coexistence of antiferromagnetic order with superconductivity in many families of newly discovered iron-based superconductors has renewed interest to this old problem. Due to competition between the two types of order, one can expect…

Superconductivity · Physics 2015-08-14 Vivek Mishra , Alexei E. Koshelev

The observation of vortices in superconductors was a major breakthrough in developing the conceptual background for superconducting applications. Each vortex carries a flux quantum, and the magnetic field radially decreases from the center.…

Superconductivity · Physics 2016-06-22 H. Suderow , I. Guillamon , J. G. Rodrigo , S. Vieira

We describe macroscopic quantum memory devices based on type-II toroidal superconductors and estimate in one case and compute in another the rates at which quantum information stored in these devices ``degrades'' because of thermal…

Quantum Physics · Physics 2007-05-23 S. Khlebnikov

We discuss a new class of phenomena based on strong interaction between magnetic superstructures and vortices in superconductors in combined heterogeneous structures. An inhomogeneous magnetization can pin vortices or create them…

Materials Science · Physics 2007-05-23 Igor F. Lyuksyutov , Valery Pokrovsky
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