AC dynamic reorganization and critical phase transitions in superconducting vortex matter

G Pasquini, MM Bermúdez… - … Science and Technology, 2020 - iopscience.iop.org
Vortex matter in type-II superconductors is a model complex system belonging to the vast
ensemble of disordered elastic media. In all these systems, depinning occurs when an …

Memory formation and evolution of the vortex configuration associated with random organization

M Dobroka, Y Kawamura, K Ienaga… - New Journal of …, 2017 - iopscience.iop.org
We study the general phenomenon of random organization using a vortex system. When a
periodic shear with a small shear amplitude d inp is applied to many-particle (vortex) …

Vortices in a Ginzburg-Landau theory of superconductors with nematic order

RS Severino, PD Mininni, E Fradkin, V Bekeris… - Physical Review B, 2022 - APS
In this work we explore the interplay between superconductivity and nematicity in the
framework of a Ginzburg-Landau theory with a nematic order parameter coupled to the …

Moving smectic phase and transverse mode locking in driven vortex matter

S Maegochi - Nonequilibrium Phase Transitions in Driven Vortex …, 2024 - Springer
In this chapter, we investigate dynamical ordering from a disordered plastic flow to an
anisotropically ordered smectic flow induced by increasing the dc driving force. To acquire …

Dynamics of superconducting vortices driven by oscillatory forces in the plastic-flow regime

D Pérez Daroca, G Pasquini, GS Lozano… - Physical Review B …, 2011 - APS
We study experimentally and theoretically, the reorganization of superconducting vortices
driven by oscillatory forces near the plastic depinning transition. We show that the system …

Critical behavior associated with transient dynamics near the depinning transition

S Okuma, A Motohashi - New Journal of Physics, 2012 - iopscience.iop.org
We study the general phenomenon of plastic depinning using a vortex system confined in a
Corbino-disc superconductor. For an ordered initial vortex configuration, the vortices driven …

Nonequilibrium depinning transition of ac driven vortices with random pinning

Y Kawamura, S Moriya, K Ienaga, S Kaneko… - New Journal of …, 2017 - iopscience.iop.org
We study the critical behavior associated with transient dynamics of vortices near the
depinning transition by an ac drive. From ${I} _ {{\rm {ac}},{\rm {e}}} $–${V} _ {{\rm {ac}},{\rm …

Closer look at the low-frequency dynamics of vortex matter using scanning susceptibility microscopy

B Raes, CC de Souza Silva, AV Silhanek, LRE Cabral… - Physical Review B, 2014 - APS
Using scanning susceptibility microscopy, we shed light on the dynamics of individual
superconducting vortices and examine the hypotheses of the phenomenological models …

Irreversibility and dislocation in periodically sheared vortex matter

S Okuma, Y Kawamura, Y Tsugawa - Journal of the Physical Society …, 2012 - journals.jps.jp
Recently, we have provided evidence for a reversible-to-irreversible flow transition, as well
as a depinning transition, in periodically sheared vortices in a Corbino-disk (CD) …

Activated vortex lattice transition in a superconductor with combined sixfold and twelvefold anisotropic interactions

D Minogue, MR Eskildsen, C Reichhardt… - New Journal of …, 2023 - iopscience.iop.org
Numerical simulations are used to examine the transition dynamics between metastable and
ground state vortex lattice phases in a system with combined sixfold and twelvefold …