2011/09/12 by M. Motta, F. Colauto, Motta, M. +13
Physics and Astronomy · Engineering · Computer Science · #Physics of Superconductivity and Magnetism #Superconducting Materials and Applications #Computational Physics and Python Applications
paper · pdf · doi:10.48550/arxiv.1109.2532
We have employed magneto-optical imaging to visualize the occurrence of flux avalanches in a superconducting film of a-MoGe. The specimen was decorated with square antidots arranged in a square lattice. We observed avalanches with the anomalous habit of forming trees where the trunk is perpendicular to the main axis of the square lattice, whereas the branches form angles of 45 degrees. The overall features of the avalanches, and in particular the 45 degree direction of the branches, were confirmed by numerical simulations.