> They found that when five sheets of graphene are stacked like steps on a staircase, the resulting structure inherently provides just the right conditions for electrons to pass through as fractions of their total charge, with no need for any external magnetic field.
From "Electrons become fractions of themselves in graphene, study finds" (2024) re: the electronic fractional quantum Hall effect without magnetic fields https://news.mit.edu/2024/electrons-become-fractions-graphen... :
> They found that when five sheets of graphene are stacked like steps on a staircase, the resulting structure inherently provides just the right conditions for electrons to pass through as fractions of their total charge, with no need for any external magnetic field.
"Fractional quantum anomalous Hall effect in multilayer graphene" (2024) https://www.nature.com/articles/s41586-023-07010-7
"How can electrons split into fractions of themselves?" https://news.mit.edu/2024/how-can-electrons-can-split-into-f... ... Re: why pentalayer
What was the SNL number of safety razer blades skit?
In rhombohedral trilayer graphene, there is superconductivity at one or more phases;
"Revealing the complex phases of rhombohedral trilayer graphene" (2024) https://www.nature.com/articles/s41567-024-02561-6 .. https://news.ycombinator.com/item?id=40919269
"Revealing the superconducting limit of twisted bilayer graphene" https://news.ycombinator.com/item?id=42051367 :
"Low-Energy Optical Sum Rule in Moiré Graphene" (2024) https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.13... https://arxiv.org/abs/2312.03819
"Large quantum anomalous Hall effect in spin-orbit proximitized rhombohedral graphene" (2024) https://www.science.org/doi/10.1126/science.adk9749
"Physicists spot quantum tornadoes twirling in a ‘supersolid’" (2024) https://news.ycombinator.com/item?id=42082690