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Vortex induced vibrations of bluff bodies occur when the vortex shedding frequency is close to the natural frequency of the structure. Of interest is the prediction of the lift and drag forces on the structure given some limited and…

Fluid Dynamics · Physics 2019-01-30 Maziar Raissi , Zhicheng Wang , Michael S. Triantafyllou , George Em Karniadakis

The distinctive features of equilibrium vortex structures in thin films of anisotropic superconductors in tilted magnetic fields are studied for the limits of moderate and strong anisotropy. The energetically favorable shape of isolated…

Superconductivity · Physics 2015-05-19 A. V. Samokhvalov , D. A. Savinov , A. S. Mel'nikov , A. I. Buzdin

The magnetic response is a state-defining property of superconductors. The magnetic flux penetrates type-II bulk superconductors by forming quantum vortices when the enclosed magnetic flux is equal to the magnetic flux quantum. The flux…

Superconductivity · Physics 2023-06-06 Yusuke Iguchi , Ruby Shi , Kunihiro Kihou , Chul-Ho Lee , Vadim Grinenko , Egor Babaev , Kathryn A. Moler

Pancake vortices in stacks of thin superconducting films or layers are considered. It is stressed that in the absence of Josephson coupling topological restrictions upon possible configurations of vortices are removed and various examples…

Superconductivity · Physics 2009-10-31 Roman G. Mints , Vladimir G. Kogan , John R. Clem

When an electron beam strikes a superconducting thin film near a pinned vortex, it locally increases the temperature-dependent London penetration depth and perturbs the circulating supercurrent, thereby distorting the vortex's magnetic…

Superconductivity · Physics 2010-08-31 John R. Clem

It is shown that in extremely anisotropic layered superconductors the interaction of vortex lines with a parallel planar surface, which for straight lines along the c-axis decreases exponentially over the in-plane penetration depth…

Condensed Matter · Physics 2009-10-28 E. H. Brandt , R. G. Mints , I. B. Snapiro

We consider closed and orientable immersed hypersurfaces of translational manifolds. Given a vector field on such a hypersurface, we define a perturbation of its Gauss map, which allows us to obtain topological invariants for the immersion…

Differential Geometry · Mathematics 2017-12-01 Ícaro Gonçalves , Eduardo Longa

The vortex lattice with the superconducting and normal state charge carriers fractions may be regarded as three independent subsystems mutually connected by interactions. The equation of motion for these three subsystems must be solved…

Superconductivity · Physics 2009-10-31 J. Kolacek , E. Kawate

Solving numerically the 3D non linear Ginzburg-Landau (GL) equations, we study equilibrium and nonequilibrium phase transitions between different superconducting states of mesoscopic disks which are thinner than the coherence length and the…

Superconductivity · Physics 2016-08-31 V. A. Schweigert , F. M. Peeters , P. Singha Deo

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

This Comment addresses theoretical field limits for superconducting-insulating (S-I) thin films multilayers discussed by S. Posen, G. Catelani, M. Liepe, J. Sethna, and M. Transtrum [1]. It is shown that their criticism of the SIS…

Superconductivity · Physics 2013-09-24 Alex Gurevich

We have investigated the confinement of 3-D vortices in specific cases of Type-II ($\kappa = 2$) nano-superconducting devices. The emergent pattern of vortices greatly depends on the orientation of an applied magnetic field (transverse or…

Superconductivity · Physics 2017-07-07 Wai Man Wu , Binoy Sobnack , Derek Michael Forrester , Feodor Kusmartsev

We calculate the dependence of the interlayer quasiparticle conductivity, $\sigma_q$, in a Josephson coupled d-wave superconductor on the magnetic field B||c and the temperature T. We consider a clean superconductor with resonant impurity…

Superconductivity · Physics 2009-10-31 I. Vekhter , L. N. Bulaevskii , A. E. Koshelev , M. P. Maley

The pre-melting of high vortex density planes observed recently in layered superconductors in tilted magnetic field is explained theoretically. Based on the structural information of the crossing lattices of pancake and Josephson vortices…

Superconductivity · Physics 2015-06-15 S. Butsch , E. Zeldov , T. Nattermann

The structures of multiply quantized vortices (MQVs) of an equal-population atomic Fermi superfluid in a rotating spherical bubble trap approximated as a thin shell are analyzed by solving the Bogoliubov-de Gennes (BdG) equation throughout…

Quantum Gases · Physics 2023-11-02 Yan He , Chih-Chun Chien

We consider a two-leg boson ladder in an artificial U(1) gauge field and show that, in the presence of interleg attractive interaction, the flux induced Vortex state can be melted by dislocations. For increasing flux, instead of the…

Quantum Gases · Physics 2017-07-26 E. Orignac , R. Citro , M. Di Dio , S. De Palo

The mixed phase of layered superconductors with no magnetic screening is studied through a partial duality analysis of the corresponding frustrated XY model in the presence of weak random point pins. Isolated layers exhibit a defective…

Superconductivity · Physics 2009-11-10 J. P. Rodriguez

It is shown that usually used theoretical model for double layered heterostructures as a pseudospin ferromagnet, does not give the observed two dimensional spectrum. Its existence is possible only neglecting Coulomb interaction destroying…

Strongly Correlated Electrons · Physics 2015-11-30 S. V. Iordanski

We study the vortex-line lattice and liquid phases of a clean type-II superconductor by means of Monte Carlo simulations of the lattice London model. Motivated by a recent controversy regarding the presence, within this model, of a…

Superconductivity · Physics 2009-10-30 T. J. Hagenaars , E. H. Brandt , R. E. Hetzel , W. Hanke , M. Leghissa , G. Saemann-Ischenko

Vortex lattices are constructed in terms of linear combinations of solutions for Scr\"{o}dinger equation with a constant potential. The vortex lattices are mapped on the spaces with two-dimensional rotationally symmetric potentials by using…

Superconductivity · Physics 2016-08-31 Tsunehiro Kobayashi