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Related papers: Magnetic Field Inversion in Vortices in Multilayer…

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We introduce a new model for a pairwise repulsive interaction potential of vortices in a type-II superconductor, consisting of superimposed six- and 12-fold anisotropies. Using numerical simulations we study how the vortex lattice…

Superconductivity · Physics 2024-04-23 M. W. Olszewski , M. R. Eskildsen , C. Reichhardt , C. J. O. Reichhardt

Using a frustrated XY model on a lattice with open boundary conditions, we numerically study the magnetization change near a flux lattice melting transition at low fields. In both two and three dimensions, we find that the melting…

Condensed Matter · Physics 2009-10-30 Seungoh Ryu , D. Stroud

For a model with isotropic nearest neighbor exchange combined with easy-plane exchange or single-ion anisotropies, the static effects of a magnetic vacancy site on a nearby magnetic vortex are analyzed on square, hexagonal and triangular…

Materials Science · Physics 2013-05-08 G. M. Wysin

A magnetic vortex occurs as an equilibrium configuration in thin ferromagnetic platelets of micron and sub-micron size and is characterised by an in-plane curling magnetisation. At the centre, a magnetic singularity is avoided by an…

In this paper we analyze the structure, phase transitions and some transport properties of the vortex system when the external magnetic field lies parallel to the planes in layered superconductors. We show that experimental results for…

Superconductivity · Physics 2009-10-31 M. F. Laguna , D. Dominguez , C. A. Balseiro

We discuss the unconventional magnetic response and vortex states arising in noncentrosymmetric superconductors with chiral octahedral and tetrahedral ($O$ or $T$) symmetry. We microscopically derive Ginzburg-Landau free energy. It is shown…

Superconductivity · Physics 2020-12-04 Albert Samoilenka , Egor Babaev

Nanoscale superlattices with uniaxial ferromagnetic layers antiferromagnetically coupled through non-magnetic spacers are recently used as components of magnetoresistive and recording devices. In the last years intensive experimental…

Materials Science · Physics 2015-06-24 U. K. Roessler , A. N. Bogdanov

We consider the ground-state properties of the two-component spin-orbit coupled ultracold bosons subject to a rotationally symmetric in-plane gradient magnetic field. In the non-interacting case, the ground state supports giant-vortices…

Quantum Gases · Physics 2015-06-23 Xiang-Fa Zhou , Zheng-Wei Zhou , Congjun Wu , Guang-Can Guo

We consider the vortex matter in a three-dimensional two-component superconductor with individually conserved condensates with different bare phase stiffnesses in a finite magnetic field, such as the projected superconducting state of…

Superconductivity · Physics 2007-05-23 Eivind Smorgrav , Jo Smiseth , Egor Babaev , Asle Sudbo

Rectangular pinning arrays of Ni dots define a potential landscape for vortex motion in Nb films. Magnetotransport experiments in which two in-plane orthogonal electrical currents are injected simultaneously allow selecting the direction…

Superconductivity · Physics 2009-11-10 J. E. Villegas , E. M. Gonzalez , M. I. Montero , Ivan K. Schuller , J. L. Vicent

We consider the three-dimensional instability of a layer of horizontal magnetic field in a polytropic atmosphere where, contrary to previous studies, the field lines in the initial state are not unidirectional. We show that if the twist is…

Solar and Stellar Astrophysics · Physics 2015-03-20 B. F. N. Favier , L. Jouve , W. Edmunds , L. J. Silvers , M. R. E. Proctor

We develop covariant chiral kinetic theory with Landau level basis. We use it to investigate a magnetized plasma with a transverse electric field and a steady vorticity as perturbations. After taking into account vacuum shift in the latter…

Nuclear Theory · Physics 2021-06-30 Shu Lin , Lixin Yang

The scattering and transformation of the waves propagating in magnetized plasma on a heavy stationary charged particle located at a plane plasma-vacuum boundary is considered. The scattering (transformation) occurs due to the nonlinear…

Plasma Physics · Physics 2015-05-27 Hrachya B. Nersisyan

The melting transition of the vortex lattice in highly anisotropic, layered superconductors with commensurate, periodic columnar pins is studied in a geometry where magnetic field and columnar pins are normal to the layers. Thermodynamic…

Superconductivity · Physics 2009-11-07 Chandan Dasgupta , Oriol T. Valls

We report a novel relation between rotation and magnetic field in a charged fluid system: there is naturally a magnetic field along the direction of fluid vorticity due to the currents associated with the swirling charges. This general…

High Energy Physics - Phenomenology · Physics 2021-02-03 Xingyu Guo , Jinfeng Liao , Enke Wang

The relevance of pair-breaking by exchange and dipolar fields, and by injected spins in a low carrier density cuprate Y$_{1-x}$Pr$_x$Ba$_2$Cu$_3$O$_7$ sandwiched between two ferromagnetic La$_{2 / 3}$Sr$_{1 / 3}$MnO$_{3}$ layers is…

Superconductivity · Physics 2011-08-01 Soumen Mandal , R. C. Budhani , Jiaqing He , Y. Zhu

The question of whether layer decoupling and vortex-lattice melting occur seperately or not in the mixed phase of pristine layered superconductors in the extreme type-II limit is studied through a partial duality analysis of the layered XY…

Superconductivity · Physics 2009-11-07 J. P. Rodriguez

Measurements of non-local in-plane resistance originating from transverse vortex-vortex correlations have been performed on a Bi_{2}Sr_{2}CaCu_{2}O_{8+\delta} high-T_c superconductor in a magnetic field up to 9 T applied along the crystal…

Superconductivity · Physics 2009-11-10 J. H. S. Torres , R. Ricardo da Silva , S. Moehlecke , Y. Kopelevich

The issue of the decoupling of extreme type-II superconducting thin films ($\lambda_L\rightarrow\infty$) with weakly Josephson-coupled layers in magnetic field parallel to the layers is considered via the corresponding frustrated $XY$ model…

Condensed Matter · Physics 2009-10-28 J. P. Rodriguez

A plasma wave propagates inside an anisotropic superconducting film sandwiched between two semi-infinite non-conducting bounding dieletric media. Along the c-axis, perpendicular to the film surfaces, an external magnetic field is applied.…

Superconductivity · Physics 2009-10-30 Mauro M. Doria , Flavio M. R. d'Almeida , O. Buisson