Influence of thermal fluctuations on single-vortex pinning inRb3C60fullerene superconductors

1995 ◽  
Vol 51 (2) ◽  
pp. 1311-1314 ◽  
Author(s):  
V. Buntar ◽  
A. G. Buntar
Keyword(s):  
Thermal Fluctuations ◽  
Vortex Pinning ◽  
Single Vortex

Vortex Pinning and Dynamics in HTS films: Role of Extended Linear Defects

2011 ◽  
Vol 1367 ◽  
Author(s):  
Alexander L. Kasatkin ◽  
Constantin G. Tretiatchenko ◽  
Volodymyr M. Pan
Keyword(s):  
Lorentz Force ◽  
Classical Mechanics ◽  
Vortex Pinning ◽  
Dislocation Model ◽  
Linear Defect ◽  
Single Vortex ◽  
Linear Defects ◽  
Anisotropic Superconductor ◽  
Hts Films

ABSTRACTThe model of single vortex escape from extended linear defect and subsequent vortex dynamics under the Lorentz force action in a rather thick (d > 2λ) 3D anisotropic superconductor is developed. We consider the case of parallel c-oriented linear defects as well as the case of equidistant linear row of such kind of defects, which represents the dislocation model of low-angle [001] tilt grain boundary in HTS films and bicrystals. The suggested model based on the classical mechanics approach allows to describe behavior of an elastic vortex string in the potential well of linear defect and under the action of Lorentz force on its end within the Meissner current carrying layer and to determine the depinning critical current density at low magnetic fields and temperatures.

Observation of single-vortex pinning in superfluid 4He

1998 ◽  
Vol 255 (1-4) ◽  
pp. 55-74 ◽  
Author(s):  
E. Varoquaux ◽  
O. Avenel ◽  
P. Hakonen ◽  
Yu. Mukharsky
Keyword(s):  
Vortex Pinning ◽  
Superfluid 4He ◽  
Single Vortex

scholarly journals Symmetry and disorder of the vitreous vortex lattice in overdopedBaFe2−xCoxAs2: Indication for strong single-vortex pinning

2010 ◽  
Vol 81 (1) ◽  
Author(s):  
D. S. Inosov ◽  
T. Shapoval ◽  
V. Neu ◽  
U. Wolff ◽  
J. S. White ◽  
...  
Keyword(s):  
Vortex Lattice ◽  
Vortex Pinning ◽  
Single Vortex

scholarly journals Single-vortex pinning and penetration depth in superconductingNdFeAsO1−xFx

2015 ◽  
Vol 92 (13) ◽  
Author(s):  
Jessie T. Zhang ◽  
Jeehoon Kim ◽  
Magdalena Huefner ◽  
Cun Ye ◽  
Stella Kim ◽  
...  
Keyword(s):  
Penetration Depth ◽  
Vortex Pinning ◽  
Single Vortex

AC FLUCTUATION CONDUCTIVITY IN TYPE-II SUPERCONDUCTORS

2012 ◽  
Vol 26 (22) ◽  
pp. 1250143
Author(s):  
BUI DUC TINH ◽  
LE MINH THU
Keyword(s):  
Magnetic Field ◽  
Gaussian Approximation ◽  
Thermal Fluctuations ◽  
Vortex Pinning ◽  
Abrikosov Vortex ◽  
Type Ii ◽  
Ginzburg Landau ◽  
Fluctuation Conductivity ◽  
Type Ii Superconductor ◽  
The Magnetic Field

We use the time-dependent Ginzburg–Landau to calculate AC fluctuation conductivity in type-II superconductor in 2D model under magnetic field. Thermal fluctuations are assumed to be strong enough to melt the Abrikosov vortex lattice created by the magnetic field into a vibrating vortex liquid and marginalize the effects of the vortex pinning by inhomogeneities. The nonlinear interaction term in dynamics is treated within self-consistent Gaussian approximation. We obtain expressions the complex conductivity and resistivity summing all Landau levels which are applicable essentially to whole liquid phase and are compared to experimental data on high-Tc superconductor Bi 2 Sr 2 CaCu 2 O 8+δ.

scholarly journals Effects of Vortex Pinning and Thermal Fluctuations on the Josephson Plasma Resonance inTl2Ba2CaCu2O8andYBa2Cu3O6.5

2001 ◽  
Vol 86 (20) ◽  
pp. 4660-4663 ◽  
Author(s):  
Diana Dulić ◽  
S. J. Hak ◽  
D. van der Marel ◽  
W. N. Hardy ◽  
A. E. Koshelev ◽  
...  
Keyword(s):  
Thermal Fluctuations ◽  
Vortex Pinning ◽  
Plasma Resonance ◽  
Josephson Plasma

scholarly journals Force on a neutron quantized vortex pinned to proton fluxoids in the superfluid core of cold neutron stars

2020 ◽  
Vol 493 (1) ◽  
pp. 382-389 ◽  
Author(s):  
Aurélien Sourie ◽  
Nicolas Chamel
Keyword(s):  
Neutron Star ◽  
Neutron Stars ◽  
General Expression ◽  
Vortex Dynamics ◽  
Cold Neutron ◽  
Vortex Pinning ◽  
Quantized Vortices ◽  
Single Vortex ◽  
The Core ◽  
Superfluid Core

ABSTRACT The superfluid and superconducting core of a cold rotating neutron star (NS) is expected to be threaded by a tremendous number of neutron quantized vortices and proton fluxoids. Their interactions are unavoidable and may have important astrophysical implications. In this paper, the various contributions to the force acting on a single vortex to which fluxoids are pinned are clarified. The general expression of the force is derived by applying the variational multifluid formalism developed by Carter and collaborators. Pinning to fluxoids leads to an additional Magnus type force due to proton circulation around the vortex. Pinning in the core of an NS may thus have a dramatic impact on the vortex dynamics, and therefore on the magnetorotational evolution of the star.

scholarly journals Evidence for Single-Vortex Pinning and Unpinning Events in SuperfluidH4e

1998 ◽  
Vol 81 (16) ◽  
pp. 3451-3454 ◽  
Author(s):  
P. Hakonen ◽  
O. Avenel ◽  
E. Varoquaux
Keyword(s):  
Vortex Pinning ◽  
Single Vortex
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