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The dynamic phase diagram of vortex lattices driven in disorder is calculated in two and three dimensions. A modified Lindemann criterion for the fluctuations of the distance of neighboring vortices is used, which unifies previous analytic…

Superconductivity · Physics 2009-10-30 Stefan Scheidl , Valerii M. Vinokur

The vortex dynamics in mesoscopic superconducting cylinders with rectangular cross section under an axially applied magnetic field is investigated in the multivortex London regime. The rectangles considered range from a square up to an…

Superconductivity · Physics 2007-05-23 Clécio C. de Souza Silva , Leonardo R. E. Cabral , J. Albino Aguiar

We show that strong electronic repulsion transforms a vortex core from a metallic-type in overdoped regime to a Mott-insulator at underdoping of a strongly correlated d-wave superconductor. This changeover is accompanied by an accumulation…

Superconductivity · Physics 2023-05-04 Anushree Datta , Hitesh J. Changlani , Kun Yang , Amit Ghosal

We study the vortex lattice in a two-dimensional s-wave topological superconductor with Rashba spin-orbit coupling and Zeeman field by solving the Bogoliubov-de Gennes equations self-consistently for the superconducting order parameter. We…

Superconductivity · Physics 2016-08-24 Evan D. B. Smith , K. Tanaka , Yuki Nagai

Equilibrium shape and orientation of vortex lattice are studied for an s-wave tetrahedral superconductor in the vicinity of the upper critical field. The phase diagram, which includes transitions between rhombic and rectangular lattices, is…

Superconductivity · Physics 2009-11-11 V. H. Dao , M. E. Zhitomirsky

The recent interest in the low-energy states in vortices of semiconductor-superconductor heterostructures are mainly fueled by the prospects of using Majorana zero modes for quantum computation. The knowledge of low-lying states in the…

Superconductivity · Physics 2021-06-07 Alexander Ziesen , Fabian Hassler

We study the effects of an $ab$-surface on the vortex-solid to vortex-liquid transition in layered superconductors in the limit of vanishing inter-layer Josephson coupling. We derive the interaction between pancake vortices in a…

Superconductivity · Physics 2009-11-11 A. De Col , G. I. Menon , V. B. Geshkenbein , G. Blatter

We analyze a notable class of states relevant to an immiscible bosonic binary mixture loaded in a rotating box-like circular trap, i.e. states where vortices in one species host the atoms of the other species, which thus play the role of…

Quantum Gases · Physics 2020-01-27 Andrea Richaud , Vittorio Penna , Ricardo Mayol , Montserrat Guilleumas

The vortex dynamics of a d+is-wave superconductor is studied numerically by simulating the time-dependent Ginzburg-Landau equations. The critical fields, the free flux flow, and the flux flow in the presence of twin-boundaries are…

Superconductivity · Physics 2009-10-31 Qunqing Li , Z. D. Wang , Qiang-Hua Wang

At the nucleus of a superconducting vortex is a small, circular region where superconductivity is destroyed. Like an atomic nucleus, this core may become deformed, and such distortions can have important consequences in non-equilibrium…

Superconductivity · Physics 2007-05-23 D. J. Priour , H. A. Fertig

We study the dynamics of quantized superfluid vortices on axisymmetric compact surfaces with no holes, where the total vortex charge must vanish and the condition of irrotational flow forbids distributed vorticity. A conformal…

Quantum Gases · Physics 2022-02-16 Mônica A. Caracanhas , Pietro Massignan , Alexander L. Fetter

In d-wave superconductors, the electronic density of states (DOS) induced by a vortex exhibits 1/|E| divergency at low energies. It is the result of gap nodes in the excitations spectrum outside the vortex core. The heat capacity in two…

Superconductivity · Physics 2014-10-13 N. B. Kopnin , G. E. Volovik

Vortex cores in a superconductor can develop structure and manifest competing orders. In strong magnetic fields, the inter-vortex distance can become short enough for vortex cores to overlap, giving rise to long ranged textures. We show…

Superconductivity · Physics 2019-09-25 V. Saran , Madhuparna Karmakar , R. Ganesh

Order-disorder transitions take place in many physical systems, but observing them in detail in real materials is difficult. In two- or quasi-two-dimensional systems, the transition has been studied by computer simulations and…

Superconductivity · Physics 2015-04-14 M. Zehetmayer

We investigate theoretically globally nonuniform configurations of quantized-flux vortices in clean superconductors trapped by an external force field that induces a nonuniform vortex density profile. Using an extensive series of numerical…

Superconductivity · Physics 2017-10-09 Raí M. Menezes , Clécio C. de Souza Silva

The existence of nonlinear objects of the vortex type in two-dimensional magnetic systems presents itself as one of the most promising candidates for the construction of nanodevices, useful for storing data, and for the construction of…

Statistical Mechanics · Physics 2010-10-22 J. C. S. Rocha , P. Z. Coura , S. A. Leonel , R. A. Dias , B. V. Costa

The profiles of local density of states (LDOS) around different vortex configurations in mesoscopic superconductors are studied taking account of the interference of quasiparticle waves experiencing Andreev reflection within the vortex…

Superconductivity · Physics 2015-05-13 A. S. Mel'nikov , D. A. Ryzhov , M. A. Silaev

The Precessing Vortex Core (PVC) is a coherent structure that can arise in swirling jets from a global instability. In this work, the PVC is investigated under highly turbulent conditions. The goal is to characterize the receptivity of the…

Fluid Dynamics · Physics 2020-03-18 J. S. Müller , F. Lückoff , P. Paredes , V. Theofilis , K. Oberleithner

We study parametric level statistics of the discretized excitation spectra inside a moving vortex core in layered superconductors with impurities. The universal conductivity is evaluated numerically for the various values of rescaled vortex…

Superconductivity · Physics 2009-11-07 Ayumi Fujita

For a type-II superconductor, when the applied magnetic field is higher than the lower critical value Hc1, the magnetic flux will penetrate into the superconductor and form quantized vortices, which usually are arranged in an Abrikosov…

Superconductivity · Physics 2011-02-16 Lei Shan , Yong-Lei Wang , Bing Shen , Bin Zeng , Yan Huang , Ang Li , Da Wang , Huan Yang , Cong Ren , Qiang-Hua Wang , Shuheng Pan , Hai-Hu Wen