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superconductorPhys Org
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85% Informative
Physicists at MIT have captured images of atoms flowing along a boundary without resistance.
In certain exotic materials, electrons can appear to flow with a single-minded purpose.
In this rare "edge state," electrons flow without friction, gliding effortlessly around obstacles as they stick to their perimeter-focused flow.
The study's co-authors at MIT include graduate students Ruixiao Yao and Sungjae Chi .
There is no slowing down, and no atoms leaking or scattering into the rest of the system.
This effortless flow held up even when the researchers placed an obstacle in the atoms' path, like a speed bump, in the form of a point of light.
The team's observations in atoms document the same behavior that has been predicted to occur in electrons.
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