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 …
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) …
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
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 …
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 …
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
We study experimentally and theoretically, the reorganization of superconducting vortices
driven by oscillatory forces near the plastic depinning transition. We show that the system …
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 …
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 …
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
Using scanning susceptibility microscopy, we shed light on the dynamics of individual
superconducting vortices and examine the hypotheses of the phenomenological models …
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) …
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 …
ground state vortex lattice phases in a system with combined sixfold and twelvefold …