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electron behaviorsQuanta Magazine
•83% Informative
Researchers at the University of Washington reported in August 2023 that in a stack of atomically thin crystalline sheets, electrons behaved like quasiparticles with fractional amounts of charge, such as and.
A few months later , a team at the Massachusetts Institute of Technology reported the same effect in another material.
The newfound effect may carry the seeds of long-sought quantum memories that could underpin a new and powerful approach to quantum computing.
In 2004 , physicists managed to isolate a sheet of graphene using a novel exfoliation procedure.
2D materials like graphene soon showed promise as platforms for interesting electron behaviors.
In 2017 , researchers at MIT twisted two sheets of graphene at exactly 1.1 degrees .
When cooled to a couple of degrees above absolute zero , the moiré material exhibited one of the most enticing quantum states: superconductivity.
No theorist had predicted that the effect would show up in a material like MIT 's twisted TMDs.
The exact role of the moiré pattern remains poorly understood.
One possibility is that layered graphene could be host to a so-called anomalous Hall crystal.
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