Dynamical vortex transitions in a gate-tunable two-dimensional Josephson junction array

CGL Bøttcher, F Nichele, J Shabani, CJ Palmstrøm… - Physical Review B, 2023 - APS
We explore vortex dynamics in a two-dimensional Josephson junction array of micron-size
superconducting islands fabricated from an epitaxial Al/InAs superconductor-semiconductor …

[HTML][HTML] Superconducting properties of a parallelepiped mesoscopic superconductor: A comparative study between the 2D and 3D Ginzburg–Landau models

J Barba-Ortega, E Sardella, JA Aguiar - Physics Letters A, 2015 - Elsevier
We theoretically investigate the local magnetic field, order parameter and supercurrent
profiles of a parallelepiped mesoscopic superconductor submersed in an applied magnetic …

Dynamic and static phases of vortices under an applied drive in a superconducting stripe with an array of weak links

GR Berdiyorov, AR de C Romaguera… - The European Physical …, 2012 - Springer
Static and dynamic properties of superconducting vortices in a superconducting stripe with a
periodic array of weakly-superconducting (or normal metal) regions are studied in the …

Transport anisotropy as a probe of the interstitial vortex state in superconductors with artificial pinning arrays

C Reichhardt, CJ Olson Reichhardt - Physical Review B—Condensed Matter …, 2009 - APS
We show using simulations that when interstitial vortices are present in superconductors
with periodic pinning arrays, the transport in two perpendicular directions can be anisotropic …

[HTML][HTML] Mesoscale vortex pinning landscapes in a two component superconductor

CA Aguirre, HB Achic, J Barba-Ortega - Physica C: Superconductivity and …, 2018 - Elsevier
We considered several mesoscale pinning/anti-pinning landscapes simulated with the
parameter α (T) in the Ginzburg Landau free-energy density in a mesoscopic …

Superconducting state of a disk with a pentagonal/hexagonal trench/barrier

J Barba-Ortega, JD González, E Sardella - Journal of Low Temperature …, 2014 - Springer
We study the influence of a pentagonal (hexagonal) trench or barrier on the
superconducting properties of a perforated disk. Effects associated to the pinning (anti …

Orientational ordering, buckling, and dynamic transitions for vortices interacting with a periodic quasi-one-dimensional substrate

Q Le Thien, D McDermott, CJ Olson Reichhardt… - Physical Review B, 2016 - APS
We examine the statics and dynamics of vortices in the presence of a periodic quasi-one-
dimensional substrate, focusing on the limit where the vortex lattice constant is smaller than …

Creating nanostructured superconductors on demand by local current annealing

H Baek, J Ha, D Zhang, B Natarajan, JP Winterstein… - Physical Review B, 2015 - APS
Superconductivity results from a Bose condensate of Cooper-paired electrons with a
macroscopic quantum wave function. Dramatic effects can occur when the region of the …

Vortex configurations in mesoscopic superconducting triangles: Finite-size and shape effects

HJ Zhao, VR Misko, FM Peeters, S Dubonos… - Europhysics …, 2008 - iopscience.iop.org
Triangular-shaped mesoscopic superconductors are consistent with the symmetry of the
Abrikosov vortex lattice resulting in a high stability of vortex patterns for commensurate …

[HTML][HTML] Influence of pinning centers of different natures on surrounding vortices

RC dos Santos, ECS Duarte, D Okimoto, A Presotto… - Physics Letters A, 2023 - Elsevier
Studies involving vortex dynamics and their interaction with pinning centers are an important
issue to reach higher critical currents in superconducting materials. The vortex distribution …