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Related papers: Vortex lattice studies in CeCoIn5 with H perpendic…

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We have investigated vortex structures in three-dimensional superconductors under a helical magnetic field from a chiral helimagnet numerically. In order to obtain vortex structures, we solve three-dimensional Ginzburg-Landau equations with…

Superconductivity · Physics 2018-02-28 Saoto Fukui , Masaru Kato , Yoshihiko Togawa , Osamu Sato

We study the transport of vortices excited by an ac current in an Al film with an array of nanoengineered asymmetric antidots. The vortex response to the ac current is investigated by detailed measurements of the voltage output as a…

Superconductivity · Physics 2009-11-11 J. Van de Vondel , C. C. de Souza Silva , B. Y. Zhu , M. Morelle , V. V. Moshchalkov

We report the first observation of a striking history dependence of the structure function of the vortex matter in the peak effect regime in a Nb single crystal by using small angle neutron scattering combined with {\it in situ} magnetic…

Superconductivity · Physics 2007-05-23 X. S. Ling , S. R. Park , B. A. McClain , S. M. Choi , D. C. Dender , J. W. Lynn

We have experimentally studied the impact of an initially planar axisymmetric vortex ring, incident at an oblique angle, upon a gravity-induced interface separating two fluids of differing densities. After impact, the vortex ring was found…

Fluid Dynamics · Physics 2011-02-01 Kerry Kuehn , Matthew Moeller , Michael Schulz , Daniel Sanfelippo

We present neutron scattering data on two single crystals of the high temperature superconductor La2-x(Ca,Sr)xCaCu2O6+delta. The Ca0.1-doped crystal exhibits a long-range antiferromagnetically ordered ground state. In contrast, the…

Superconductivity · Physics 2011-10-28 M. Huecker , Young-June Kim , G. D. Gu , B. D. Gaulin , J. W. Lynn , J. M. Tranquada

High-T_c superconductors in small magnetic fields directed away from the crystal symmetry axes have been found to exhibit inhomogeneous chains of flux lines (vortices), in contrast to the usual regular triangular flux-line lattice. We…

Superconductivity · Physics 2009-11-11 Simon J. Bending , Matthew J. W. Dodgson

2$H$-NbS$_2$ is a classic example of an anisotropic multi-band superconductor, with significant recent work focussing on the interesting responses seen when high magnetic fields are applied precisely parallel to the hexagonal niobium…

Superconductivity · Physics 2024-09-27 A. Alshemi , E. Campillo , E. M. Forgan , R. Cubitt , M. Abdel-Hafiez , E. Blackburn

The response of vortex state to the magnetic field in Nb3Sn is probed using muon spin rotation and small-angle neutron scattering. A transformation of vortex structure between hexagonal and squared lattice is observed over a relatively low…

The magnetic structure of Ba_2CuGe_2O_7 is investigated by neutron diffraction in magnetic fields applied along several directions in the $(a,b)$ plane of the crystal. In relatively weak fields, $H\lesssim 0.5$~T, the propagation vector of…

Condensed Matter · Physics 2009-10-30 A. Zheludev , S. Maslov , G. Shirane , Y. Sasago , N. Koide , K. Uchinokura , D. A. Tennant , S. E. Nagler

Micron-sized magnetic platelets in the flux closed vortex state are characterized by an in-plane curling magnetization and a nanometer-sized perpendicularly magnetized vortex core. Having the simplest non-trivial configuration, these…

To identify the contributions of the multiband nature and the anisotropy of a microscopic electronic structure to a macroscopic vortex lattice morphology, we develop a method based on the Eilenberger theory near Hc2 combined with the…

Superconductivity · Physics 2014-04-22 Tomoya Hirano , Kenta Takamori , Masanori Ichioka , Kazushige Machida

A magnetic vortex has attracted significant attention since it is a topologically stable magnetic structure in a soft magnetic nanodisk. Many studies have been devoted to understanding the nature of magnetic vortex in isolated systems. Here…

Materials Science · Physics 2016-12-14 Weinan Zhou , Takeshi Seki , Hiroko Arai , Hiroshi Imamura , Koki Takanashi

We report $^{115}$In nuclear magnetic resonance (NMR) measurements in CeCoIn$_5$ at low temperature ($T \approx 70$ mK) as a function of magnetic field ($H_0$) from 2 T to 13.5 T applied perpendicular to the $\hat c$-axis. NMR line shift…

Strongly Correlated Electrons · Physics 2009-11-13 G. Koutroulakis , V. F. Mitrović , M. Horvatić , C. Berthier , G. Lapertot , J. Flouquet

The vortex-liquid and vortex-solid phases in single crystals of Bi$_2$Sr$_2$CaCu$_2$O$_{8+\delta}$ placed in tilted magnetic fields are studied by in-plane resistivity measurements using the Corbino geometry to avoid spurious surface…

Superconductivity · Physics 2016-08-31 J. Mirkovic , S. E. Savel'ev , E. Sugahara , K. Kadowaki

The results of recent experiments [1] on observing soliton lattices and their dislocations in vertical cylindrical channels filled with immiscible fluids with strongly different viscosities and but slightly different densities are…

Pattern Formation and Solitons · Physics 2026-04-01 E. A. Kuznetsov

We investigate the formation and propagation of vector vortex solitons (VS) and unipolar soliton (US) in a cold atomic gas with Bessel lattices (BLs). The system we consider is a cold, coherent atomic gas with a tripod or multipod level…

Pattern Formation and Solitons · Physics 2019-03-19 Shun-fang Chen , Ya-Wei Guo , Qi Guo , Dong Zhao , Milivoj R. Belić , Yuan Zhao , Si-liu Xu

A micron sized single crystal of the superconductor BSCCO was studied using silicon mechanical micro-oscillators at various tilt angles of the dc magnetic field with respect to the c axis of the sample. Different phases of the vortex matter…

Superconductivity · Physics 2009-11-13 M. I. Dolz , H. Pastoriza

We study the response of the antiferromagnetism of CeAuSb$_2$ to orthorhombic lattice distortion applied through in-plane uniaxial pressure. The response to pressure applied along a $\langle 110 \rangle$ lattice direction shows a…

Strongly Correlated Electrons · Physics 2018-01-15 Joonbum Park , Hideaki Sakai , Onur Erten , Andrew P. Mackenzie , Clifford W. Hicks

We demonstrate a geometrical effect on the depinning line (DL) of the flux line lattice of the Bi$_{2}$Sr$_{2}$CaCu$_{2}$O$_{8+\delta}$ high-T$_c$ superconductor (HTSC) micrometer ring. The DL shifts to notably lower temperatures in…

Superconductivity · Physics 2021-03-04 B. Semenenko , B. C. Camargo , A. Setzer , W. Bohlmann , Y. Kopelevich , P. D. Esquinazi

We construct a type-II holographic superconductor from an anisotropic rotating background metric. We study the effects of the magnetic field on the vortex structure, including continuous deformations both from triangular to square lattices…

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