Insider Brief
MLU physicists used computer simulations to show that carbon nanotori can generate controllable toroidal moments, potentially offering a new way to control quantum states.
The ring-shaped carbon structures can drive electrons into a 3D vortex under a constant electric field, creating toroidal moments without nanoscale losses.
The researchers said the approach could help control superconductors more precisely while reducing noise and energy use in quantum computing systems.
PRESS RELEASE — Quantum states can be precisely controlled with the help of tiny carbon rings measuring only a few nanometres in size. This is made possible by a class of rarely utilized electromagnetic dipoles called toroidal moments. Using computer simulations, physicists at Martin Luther University Halle-Wittenberg (MLU) have now found a way to generate and control these nanostructures without any loss. The findings were published in the journal “npj Computational Materials” and create new opportunities for quantum computer technology.
