Nucleation and propagation of thermomagnetic avalanches in thin-film superconductors

JI Vestgården, TH Johansen, YM Galperin - Low Temperature Physics, 2018 - pubs.aip.org
A very important feature of superconductors is the Meissner and Ochsenfeld effect—
expulsion of weak external magnetic fields, H, from their interior. Therefore, a …

Oscillatory regimes of the thermomagnetic instability in superconducting films

JI Vestgården, YM Galperin, TH Johansen - Physical Review B, 2016 - APS
The stability of superconducting films with respect to oscillatory precursor modes for
thermomagnetic avalanches is investigated theoretically. The results for the onset threshold …

The thermomagnetic instability in superconducting films with adjacent metal layer

JI Vestgården, YM Galperin, TH Johansen - Journal of Low Temperature …, 2013 - Springer
Dendritic flux avalanches is a frequently encountered consequence of the thermomagnetic
instability in type-II superconducting films. The avalanches, which are potentially harmful for …

Oscillating modes of thermomagnetic avalanches in superconductors

TN Abdurazzakovich, KB Isroilovich… - … für Naturforschung A, 2022 - degruyter.com
In this work, the nature of the magnetic flux oscillations in superconductors was studied
within the adiabatic approximation. It was shown that, under certain conditions, depending …

[HTML][HTML] Metal frame as local protection of superconducting films from thermomagnetic avalanches

P Mikheenko, JI Vestgården, S Chaudhuri, IJ Maasilta… - AIP Advances, 2016 - pubs.aip.org
Thermomagnetic avalanches in superconducting films propagating extremely fast while
forming unpredictable patterns, represent a serious threat for the performance of devices …

On the magnetic flux—branching instability in superconductors

IL Maksimov - Physica C: Superconductivity, 1994 - Elsevier
Novel instability representing an avalanch-like penetration of the magnetic flux into
superconductor is explained in terms of thermomagnetic shock wave propagation. It is …

The diversity of flux avalanche patterns in superconducting films

JI Vestgården, DV Shantsev, YM Galperin… - Superconductor …, 2013 - iopscience.iop.org
The variety of morphologies in flux patterns created by thermomagnetic dendritic avalanches
in type-II superconducting films is investigated using numerical simulations. The avalanches …

Vortex avalanches and magnetic flux fragmentation in superconductors

I Aranson, A Gurevich, V Vinokur - Physical review letters, 2001 - APS
We report the results of numerical simulations of nonisothermal dendritic flux penetration in
type-II superconductors. We propose a generic mechanism of dynamic branching of a …

Shock waves and avalanches in type-II superconductor

B Rosenstein, BY Shapiro, I Shapiro - Europhysics Letters, 2005 - iopscience.iop.org
The rapid penetration of magnetic flux into a Meissner phase of the type-II superconductor is
studied analytically and numerically. A sharp shock wave front of the magnetic induction is …

Classical analogy for the deflection of flux avalanches by a metallic layer

J Brisbois, B Vanderheyden, F Colauto… - New Journal of …, 2014 - iopscience.iop.org
Sudden avalanches of magnetic flux bursting into a superconducting sample undergo
deflections of their trajectories when encountering a conductive layer deposited on top of the …