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cond-mat.mes-hall2025
Interlayer exciton condensates between second Landau level orbitals in double bilayer graphene
Zeyu Hao, A. M. Zimmerman, Kenji Watanabe +2
We present Coulomb-drag measurements on a heterostructure comprising two Bernal-stacked bilayer graphene (BLG) sheets separated by a 2.5 nm hexagonal boron nitride (hBN) spacer in…
cond-mat.str-el2025
Modulation of superconductivity across a Lifshitz transition in alternating-angle twisted quadrilayer graphene
Isabelle Y. Phinney, Andrew Zimmerman, Zeyu Hao +5
We report electric field-controlled modulation of the Fermi surface topology and explore its effects on the superconducting state in alternating-angle twisted quadrilayer graphene…