Driving Transport with High Disorder
April 12, 2021•
Physics 14, 57
A study of long-range interactions in disordered systems yields a surprising result: Transport can increase with disorder.
N
W) is depicted in the random size of the orbitals, while nearest neighbor hopping (
Ω) and long-range, all-to-all hopping (
∕
2) are shown, respectively, with red and blue connections. The resulting excited band is separated from the ground state by an energy gap
Δ
∕
2 (middle). The current through the system is plotted against the disorder on a log-log scale (right). Different regimes are evident: Anderson localization, disorder-enhanced transport (DET), and disorder-independent transport (DIT).A disordered system with long-range hopping is depicted as a set of