Marek Foltyn

Jul 31, 2024 | science.org | Kai Wang |Wenjia Li |Rajkumar Vasudeva Raju |Marek Foltyn

AbstractWe demonstrate complete control over dynamics of a single superconducting vortex in a nanostructure, which we coin the Single Vortex Box. Our device allows us to trap the vortex in a field-cooled aluminum nanosquare and expel it on demand with a nanosecond pulse of electrical current. Using the time-resolving nanothermometry we measure 4·10-19 joules as the amount of the dissipated heat in the elementary process of the single-vortex expulsion.