English
Related papers

Related papers: Competition of vortex core structures in superflui…

200 papers

We present the first theoretical calculation of the pressure-temperature-field phase diagram for the vortex phases of rotating superfluid $^3$He-B. Based on a strong-coupling extension of the Ginzburg-Landau theory that accounts for the…

Superconductivity · Physics 2020-02-11 Robert C. Regan , J. J. Wiman , J. A. Sauls

Core structures of a single vortex in A-like and B-like phases of superfluid 3He in uniaxially compressed and stretched aerogels are studied by numerically solving Ginzburg-Landau equations derived microscopically. It is found that,…

Superconductivity · Physics 2015-05-19 Kazushi Aoyama , Ryusuke Ikeda

The order parameter of superfluid $^3$He involves nine complex components, and the multicomponent structure allows quantized vortices in superfluid $^3$He to have complicated cores. One of the vortices found in the B phase is the…

Other Condensed Matter · Physics 2025-10-23 Riku Rantanen

We discuss the general properties of periodic vortex arrangements in rotating superfluids. The different possible structures are classified according to the symmetry space-groups and the circulation number. We calculate numerically several…

Condensed Matter · Physics 2016-08-31 J. M. Karimaki , E. V. Thuneberg

Core structures of a single vortex in A-like and B-like phases of superfluid 3He in uniaxially compressed and stretched aerogels are studied by numerically solving Ginzburg-Landau equations derived microscopically. It is found that,…

Superconductivity · Physics 2010-07-27 Kazushi Aoyama , Ryusuke Ikeda

Superfluid $^3$He-B possesses three locally stable vortices known as a normal-core vortex ($o$-vortex), an A-phase-core vortex ($v$-vortex), and a double-core vortex ($d$-vortex). In this work, we study the effects of a magnetic field…

Superconductivity · Physics 2019-03-27 Kenichi Kasamatsu , Ryota Mizuno , Tetsuo Ohmi , Mikio Nakahara

This paper studies vortex-lattice phases of rapidly rotating superfluid ^3He based on the Ginzburg-Landau free-energy functional. To identify stable phases in the p-Omega plane (p: pressure; Omega: angular velocity), the functional is…

Superconductivity · Physics 2009-11-07 Takafumi Kita

Vortex lattices, arising from repulsive inter-vortex interactions, are a canonical example of emergent phenomena. Recent studies on the cuprates have drawn attention to the appearance of competing correlations within vortex cores. This…

Superconductivity · Physics 2018-08-15 Madhuparna Karmakar , R. Ganesh

Vortex lines affect the spatial order-parameter distribution in superfluid 3He-B owing to superflow circulating around vortex cores and due to the interaction of the order parameter in the core and in the bulk as a result of superfluid…

Other Condensed Matter · Physics 2015-05-19 V. B. Eltsov , R. de Graaf , M. Krusius , D. E. Zmeev

The Letter analyzes stability of spin precession currents in superfluid $^3$He-B when the precession angle is very close to 104$^\circ$. In this limit a spin-precession vortex has a very large core, and a barrier blocking motion of these…

Other Condensed Matter · Physics 2009-11-13 E. B. Sonin

We have performed numerical calculations of the structure of the single-quantum vortex in superfluid $^3$He-A. The GPU-accelerated large-scale numerical simulation is performed in the Ginzburg-Landau model and resolves length scales of both…

Other Condensed Matter · Physics 2025-03-20 Riku Rantanen , Erkki Thuneberg , Vladimir Eltsov

We have found the precise stability region of the half quantum vortex (HQV) for superfluid $^3$He A phase confined in parallel plates with a narrow gap under rotation. Standard Ginzburg-Landau free energy, which is well established, is…

Superconductivity · Physics 2009-11-13 T. Kawakami , Y. Tsutsumi , K. Machida

The phase diagram of lowest-energy vortices in the polar phase of spin-1 Bose--Einstein condensates is investigated theoretically. Singly quantized vortices are categorized by the local ordered state in the vortex core and three types of…

Quantum Gases · Physics 2021-08-04 Hiromitsu Takeuchi

The dynamics of quantized vortices in rotating $^3$He-B is investigated in the low density (single-vortex) regime as a function of temperature. An abrupt transition is observed at $0.5 T_{\rm c}$. Above this temperature the number of vortex…

Soft Condensed Matter · Physics 2007-05-23 A. P. Finne , V. B. Eltsov , G. Eska , R. Hanninen , J. Kopu , M. Krusius , E. V. Thuneberg , M. Tsubota

Superconductivity occurs in the proximity of other competing orders in a wide variety of materials. Such competing phases may reveal themselves when superconductivity is locally suppressed by a magnetic field in the core of a vortex. We…

Strongly Correlated Electrons · Physics 2017-11-08 Madhuparna Karmakar , Gautam I. Menon , R. Ganesh

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

We investigate the behavior of vortices of multi-component superconductivity, realized in $\rm{MgB_2}$ and Fe-based superconductors, within the framework of Ginzburg-Landau (GL) theory in terms of numerical calculations of the…

Superconductivity · Physics 2011-12-05 Shi-Zeng Lin , Xiao Hu

Observing the structure of quantized vortices can provide evidence for the pairing nature of a superfluid or superconductor and pinpoint its order parameter. Spin-triplet superfluid $^3$He supports a variety of vortices, calculated and…

Superconductivity · Physics 2026-04-15 Riku Rantanen , Mikael Huppunen , Erkki Thuneberg , Vladimir Eltsov

We investigate vortex solutions in the Ginzburg-Landau theory for neutron $^3P_2$ superfluids relevant for neutron star cores in which neutron pairs possess the total angular momentum $J=2$ with spin-triplet and $P$ wave, in the presence of…

Nuclear Theory · Physics 2022-03-30 Michikazu Kobayashi , Muneto Nitta

We investigated the vortex dynamics in the non-centrosymmetric superconductor Li_2Pt_3B in the temperature range 0.1 K - 2.8 K. Two different logarithmic creep regimes in the decay of the remanent magnetization from the Bean critical state…

Superconductivity · Physics 2009-10-22 C. F. Miclea , A. C. Mota , M. Sigrist , F. Steglich , T. A. Sayles , B. J. Taylor , C. McElroy , M. B. Maple
‹ Prev 1 2 3 10 Next ›