Unusual superconductivity observed in twisted trilayer graphene

https://phys.org/news/2022-07-unusual-superconductivity-trilayer-graphene.html

"two superconductivity regimes with differently shaped superconducting gap profiles... one regimes... explained with theory similar to BCS, the presence of two regimes shows that within the superconducting phase an additional transition is likely to take place. This observation, alongside measurements taken at various temperatures and magnetic fields, points to the unconventional nature of superconductivity in the trilayers... more layers make superconductivity more robust while remaining highly tunable"

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https://phys.org/news/2023-03-scientists-lasers-recreate-superconducting-material.html

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