Quantum uncertainty helps solve an old problem

Controlling how electrons zip through a material is of central importance to build novel electronic devices. How the electronic motion is affected by magnetic fields is an old problem that has not been fully resolved, yet has already led to multiple physics Nobel prizes. Now, researchers at the Max Planck Institute for the Structure and Dynamics of Matter in Hamburg have solved one of the longstanding problems in the field, namely, how a certain symmetry can be restored. Their results were just published in Physical Review Letters.

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