Magnetic-decoration imaging of structural transitions induced in vortex matter

Y Fasano, M Menghini - Superconductor Science and …, 2008 - iopscience.iop.org
During the last two decades, vortex structural transitions in type-II superconductors have
been the subject of a considerable amount of theoretical and experimental studies. This …

Wide-field imaging of superconductor vortices with electron spins in diamond

Y Schlussel, T Lenz, D Rohner, Y Bar-Haim… - Physical Review …, 2018 - APS
Understanding the mechanisms behind high-T c type-II superconductors (SCs) is still an
open task in condensed-matter physics. One way to gain further insight into the microscopic …

Disordered hyperuniform vortex matter with rhombic distortions in FeSe at low fields

JA Sánchez, RC Maldonado, ML Amigó, G Nieva… - Physical Review B, 2023 - APS
In the current quest to synthesize hyperuniform materials with interesting applications,
addressing the coupling of the objects composing the system to the physical properties of …

[HTML][HTML] Anisotropic suppression of hyperuniformity of elastic systems in media with planar disorder

J Puig, F Elías, J Aragón Sánchez… - Communications …, 2022 - nature.com
Disordered hyperuniform materials with vanishing long-wavelength density fluctuations are
attracting attention due to their unique physical properties. In these systems, the large-scale …

Hyperuniform vortex patterns at the surface of type-II superconductors

G Rumi, J Aragón Sánchez, F Elías… - Physical Review …, 2019 - APS
A many-particle system must possess long-range interactions in order to be hyperuniform at
thermal equilibrium. Hydrodynamic arguments and numerical simulations show …

On nonlocal Ginzburg-Landau superconductivity and Abrikosov vortex

RA El-Nabulsi, W Anukool - Physica B: Condensed Matter, 2022 - Elsevier
In this study, the basic concepts of superconductivity based on nonlocal momentum operator
have been addressed. The theory is characterized by the presence of higher-order moments …

[HTML][HTML] Unveiling the vortex glass phase in the surface and volume of a type-II superconductor

J Aragón Sánchez, R Cortés Maldonado… - Communications …, 2019 - nature.com
Order-disorder transitions between glassy phases are common in nature and yet a
comprehensive survey on the entailed structural changes is challenging since the …

Strong pinning and vortex energy distributions in single-crystalline Ba(FeCo)As

S Demirdiş, CJ Van Der Beek, Y Fasano… - Physical Review B …, 2011 - APS
The interrelation between heterogeneity and flux pinning is studied in Ba (Fe 1− x Co x) 2 As
2 single crystals with widely varying Co content x. Magnetic Bitter decoration of the …

Vortex matter freezing in samples with a very dense distribution of columnar defects

NRC Bolecek, AB Kolton, M Konczykowski, H Pastoriza… - Physical Review B, 2016 - APS
We show that the dynamical freezing of vortex structures nucleated at diluted densities in Bi
2 Sr 2 CaCu 2 O 8 samples with a dense distribution of columnar defects, B∼ 10− 2 B Φ …

Latent heat and nonlinear vortex liquid in the vicinity of the first-order phase transition in layered superconductors

MI Dolz, Y Fasano, H Pastoriza, V Mosser, M Li… - Physical Review B, 2014 - APS
In this work we revisit the vortex matter phase diagram in layered superconductors solving
still open questions by means of ac and dc local magnetic measurements in the …