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Related papers: Staggered Currents in the Vortex Core

200 papers

In this review, we give an overview of the experimental and theoretical advances in the physics of quantized vortices in dilute atomic-gas Bose--Einstein condensates in a trapping potential, especially focusing on experimental research…

Other Condensed Matter · Physics 2009-07-10 Kenichi Kasamatsu , Makoto Tsubota

Motivated by the observation of inhomogeneous patterns in some high-T$_c$ cuprate compounds, several variational Gutzwiller-projected wave-functions with built-in charge and bond order parameters are proposed for the extended $t-J-V$ model…

Strongly Correlated Electrons · Physics 2007-05-23 Cedric Weber , Didier Poilblanc , Sylvain Capponi , Frederic Mila , Cyril Jaudet

We study vortex current distributions in narrow thin-film superconducting strips. If one defines the vortex core ``boundary" as a curve where the current reaches the depairing value, intriguing features emerge. Our conclusions based on the…

Superconductivity · Physics 2020-02-18 V. G. Kogan , M. Ichioka

Magnetism in the FeAs stoichiometric compounds and its interplay with superconductivity in vortex states are studied by self-consistently solving the BdG equations based on a two-orbital model with including the on-site interactions between…

Superconductivity · Physics 2009-10-08 Hong-Min Jiang , Jian-Xin Li , Z. D. Wang

We have investigated the vortex in chiral superconductors, especially in p-wave case. In chiral superconductors the Cooper pair has orbital angular momentum hence U(1), parity (P) and time reversal symmetry (T) are broken simultaneously. We…

Superconductivity · Physics 2009-10-31 J. Goryo

We analyze the structure and stability of singular singly quantized vortices in a rotating spin-1 Bose-Einstein condensate. We show that the singular vortex can be energetically stable in both the ferromagnetic and polar phases despite the…

Quantum Gases · Physics 2012-07-13 Justin Lovegrove , Magnus O. Borgh , Janne Ruostekoski

We present scanning tunneling spectroscopic and high-field thermodynamic studies of hole- and electron-doped (p- and n-type) cuprate superconductors. Our experimental results are consistent with the notion that the ground state of cuprates…

Superconductivity · Physics 2009-11-10 N. -C. Yeh , C. -T. Chen , V. S. Zapf , A. D. Beyer , C. R. Hughes , M. -S. Park , K. -H. Kim , S. -I. Lee

We consider quantized vortices in two-component Bose-Einstein condensates and three-component Fermi gases with attractive interactions. In these systems, the vortex core can be either empty (normal in the fermion case) or filled with…

Quantum Gases · Physics 2010-04-01 G. Catelani , E. A. Yuzbashyan

We investigate the spectrum of quasiparticle excitations in the core of isolated pancake vortices in clean layered superconductors. Analysis of the spectral current density shows that both the circular current around the vortex center as…

Condensed Matter · Physics 2009-10-28 D. Rainer , J. A. Sauls , D. Waxman

Magnetic platelets with a vortex configuration are attracting considerable attention. The discovery that excitation with small in-plane magnetic fields or spin polarised currents can switch the polarisation of the vortex core did not only…

We show that, in the Thomas-Fermi regime, the cores of vortices in rotating dilute Bose-Einstein condensates adjust in radius as the rotation velocity, $\Omega$, grows, thus precluding a phase transition associated with core overlap at high…

Condensed Matter · Physics 2009-02-20 Uwe R. Fischer , Gordon Baym

Quantum vortices in the multi-component Bose-Einstein condensation (BEC) are investigated theoretically. It is found that three kinds of the vortex configurations are possible and their physical properties are discussed in details,…

Soft Condensed Matter · Physics 2009-10-31 Tomoya Isoshima , Kazushige Machida , Tetsuo Ohmi

Direct observation of vortex states in an antiferromagnetic layer have been recently reported [Wu, et al, Nature Phys. 7, 303 (2011)]. In contrast to their analogues in ferromagnetic systems, namely in nanomagnets, the vortex core of…

Materials Science · Physics 2011-08-05 R. L. Silva , R. D. Pereira , A. R. Pereira , W. A. Moura-Melo , L. A. S. Mol , A. S. T. Pires

We derive a path-integral description of the vortex state of a fermionic superfluid in the crossover region between the molecular condensate (BEC) regime and the Cooper pairing (BCS) regime. This path-integral formalism, supplemented by a…

Other Condensed Matter · Physics 2016-08-31 J. Tempere , M. Wouters , J. T. Devreese

We study the stability and structure of vortices emerging in two-dimensional quantum dots in high magnetic fields. Our results obtained with exact diagonalization and density-functional calculations show that vortex structures can be found…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 H. Saarikoski , S. M. Reimann , E. Rasanen , A. Harju , M. Puska

The vortex core structure in a d-wave superconductor is analyzed on the basis of the quasi-classical Eilenberger theory beyond the Ginzburg-Landau framework. The current and magnetic field distributions around an isolated vortex break…

Condensed Matter · Physics 2009-10-28 M. Ichioka , N. Hayashi , N. Enomoto , K. Machida

Motivated by a {\it mean field-like} resistive behavior in magnetic fields commonly seen in various superconducting (SC) cuprates and organics with strong fluctuation, {\it quantum} SC fluctuation effects on resistive behaviors are…

Superconductivity · Physics 2009-11-07 Ryusuke Ikeda

We study the structure of symmetric vortices in a Ginzburg-Landau model based on S. C. Zhang's SO(5) theory of high temperature superconductivity and antiferromagnetism. We consider both a full Ginzburg-Landau theory (with Ginzburg-Landau…

Analysis of PDEs · Mathematics 2007-05-23 S. Alama , L. Bronsard , T. Giorgi

The bistability of the core magnetization of nano-scaled magnets with a magnetic vortex configuration has great potential for data storage applications. To exploit this, reliable switching between the two possible states is needed. Time…

We present a detailed analysis of classical solutions in the bosonic sector of the electroweak theory which describe vortices carrying a constant electric current ${\cal I}$. These vortices exist for any value of the Higgs boson mass and…

High Energy Physics - Theory · Physics 2012-10-04 Julien Garaud , Mikhail S. Volkov