Ground state, collective mode, phase soliton and vortex in multiband superconductors

SZ Lin - Journal of Physics: Condensed Matter, 2014 - iopscience.iop.org
This article reviews theoretical and experimental work on the novel physics in multiband
superconductors. Multiband superconductors are characterized by multiple superconducting …

[BOOK][B] Superfluid states of matter

BV Svistunov, ES Babaev, NV Prokof'ev - 2015 - books.google.com
Discussing changes over the last two decades, this book represents an up-to-date treatment
of superfluidity. It covers new superfluid materials such as high-temperature and …

Type-1.5 superconductivity in multiband systems: Magnetic response, broken symmetries and microscopic theory–A brief overview

E Babaev, J Carlström, J Garaud, M Silaev… - Physica C …, 2012 - Elsevier
A conventional superconductor is described by a single complex order parameter field
which has two fundamental length scales, the magnetic field penetration depth λ and the …

Muon-spin rotation measurements of the vortex state in : Type-1.5 superconductivity, vortex clustering, and a crossover from a triangular to a square vortex …

SJ Ray, AS Gibbs, SJ Bending, PJ Curran, E Babaev… - Physical Review B, 2014 - APS
Muon-spin rotation has been used to probe the vortex state in Sr 2 Ru O 4. At moderate
fields and temperatures a lattice of triangular symmetry is observed, crossing over to a lattice …

[PDF][PDF] Stable kink-kink and metastable kink-antikink solutions

C Halcrow, E Babaev - arxiv preprint arxiv:2211.02413, 2023 - emis.de
We construct and study two kink theories. One contains a static 2-kink configuration with
controllable binding energy. The other contains a locally stable non-topological solution …

Type-1.5 superconductivity in multicomponent systems

E Babaev, J Carlström, M Silaev, JM Speight - Physica C: Superconductivity …, 2017 - Elsevier
In general a superconducting state breaks multiple symmetries and, therefore, is
characterized by several different coherence lengths ξ i, i= 1,…, N. Moreover in multiband …

Microscopic solutions for vortex clustering in two-band type-1.5 superconductors

I Timoshuk, E Babaev - Physical Review B, 2024 - APS
Two-band superconductors exhibit a distinct phase characterized by two correlation lengths,
one smaller and the other larger than the magnetic field penetration length. This regime was …

Giant paramagnetic Meissner effect in multiband superconductors

RM Da Silva, MV Milošević, AA Shanenko… - Scientific Reports, 2015 - nature.com
Superconductors, ideally diamagnetic when in the Meissner state, can also exhibit
paramagnetic behavior due to trapped magnetic flux. In the absence of pinning such …

Direct meshless local Petrov–Galerkin (DMLPG) method for 2D complex Ginzburg–Landau equation

A Shokri, E Bahmani - Engineering Analysis with Boundary Elements, 2019 - Elsevier
In this paper, the direct meshless local Petrov–Galerkin (DMLPG) approximation is proposed
to solve the two-dimensional complex Ginzburg–Landau equation. DMLPG uses a …

Vortices with magnetic field inversion in noncentrosymmetric superconductors

J Garaud, MN Chernodub, DE Kharzeev - Physical Review B, 2020 - APS
Superconducting materials with noncentrosymmetric lattices lacking space inversion
symmetry exhibit a variety of interesting parity-breaking phenomena, including the …