Fluturele mîncător de calciu (sau siliciu? depinde ce soi de roci sînt alea). Şi nu e singurul ...
The Hofstadter butterfly: Twisted bilayer graphene reveals two distinct
strongly interacting topological phases
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Magic-angle twisted bilayer graphene (MATBG) is a material created by
stacking two sheets of graphene onto each other, with a small twist angle
of about 1....
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