MIT physicists and colleagues have for the first time measured the geometry, or shape, of electrons in solids at the quantum level. Scientists have long known how to measure the energies and ...

Essentially, the quantum metric creates a “geometric” drag on the electrons. When the magnetic field is applied, it breaks the time-reversal symmetry, revealing this hidden geometry by causing the ...

The geometry or shape of a quantum system is mathematically expressed by a tool called the quantum geometric tensor (QGT). It also explains how a quantum system's state changes when we tweak certain ...