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    Article

    Imaging inter-valley coherent order in magic-angle twisted trilayer graphene

    Magic-angle twisted trilayer graphene (MATTG) exhibits a range of strongly correlated electronic phases that spontaneously break its underlying symmetries1,2. Here we investigate the correlated phases of MATTG us...

    Hyun** Kim, Youngjoon Choi, Étienne Lantagne-Hurtubise, Cyprian Lewandowski in Nature (2023)

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    Article

    Enhanced superconductivity in spin–orbit proximitized bilayer graphene

    In the presence of a large perpendicular electric field, Bernal-stacked bilayer graphene (BLG) features several broken-symmetry metallic phases13 as well as magnetic-field-induced superconductivity1. The superco...

    Yiran Zhang, Robert Polski, Alex Thomson, Étienne Lantagne-Hurtubise in Nature (2023)

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    Article

    Evidence for unconventional superconductivity in twisted trilayer graphene

    Magic-angle twisted trilayer graphene (MATTG) has emerged as a moiré material that exhibits strong electronic correlations and unconventional superconductivity1,2. However, local spectroscopic studies of this sys...

    Hyun** Kim, Youngjoon Choi, Cyprian Lewandowski, Alex Thomson, Yiran Zhang in Nature (2022)

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    Article

    Interaction-driven band flattening and correlated phases in twisted bilayer graphene

    Flat electronic bands, characteristic of ‘magic-angle’ twisted bilayer graphene, host many correlated phenomena19. Nevertheless, many properties of these bands and emerging symmetry-broken phases are still poorl...

    Youngjoon Choi, Hyun** Kim, Cyprian Lewandowski, Yang Peng, Alex Thomson in Nature Physics (2021)

  5. Article

    Open Access

    Does filling-dependent band renormalization aid pairing in twisted bilayer graphene?

    Magic-angle twisted bilayer graphene (MATBG) exhibits a panoply of many-body phenomena that are intimately tied to the appearance of narrow and well-isolated electronic bands. The microscopic ingredients that ...

    Cyprian Lewandowski, Stevan Nadj-Perge, Debanjan Chowdhury in npj Quantum Materials (2021)

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    Article

    Correlation-driven topological phases in magic-angle twisted bilayer graphene

    Magic-angle twisted bilayer graphene (MATBG) exhibits a range of correlated phenomena that originate from strong electron–electron interactions. These interactions make the Fermi surface highly susceptible to ...

    Youngjoon Choi, Hyun** Kim, Yang Peng, Alex Thomson, Cyprian Lewandowski in Nature (2021)

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    Article

    Superconductivity in metallic twisted bilayer graphene stabilized by WSe2

    Magic-angle twisted bilayer graphene (TBG), with rotational misalignment close to 1.1 degrees, features isolated flat electronic bands that host a rich phase diagram of correlated insulating, superconducting, ...

    Harpreet Singh Arora, Robert Polski, Yiran Zhang, Alex Thomson, Youngjoon Choi in Nature (2020)

  8. Article

    Author Correction: Electronic correlations in twisted bilayer graphene near the magic angle

    An amendment to this paper has been published and can be accessed via a link at the top of the paper.

    Youngjoon Choi, Jeannette Kemmer, Yang Peng, Alex Thomson, Harpreet Arora in Nature Physics (2019)

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    Article

    Electronic correlations in twisted bilayer graphene near the magic angle

    Twisted bilayer graphene with a twist angle of around 1.1° features a pair of isolated flat electronic bands and forms a platform for investigating strongly correlated electrons. Here, we use scanning tunnelli...

    Youngjoon Choi, Jeannette Kemmer, Yang Peng, Alex Thomson, Harpreet Arora in Nature Physics (2019)

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    Article

    One-dimensional topological edge states of bismuth bilayers

    The hallmark of a topologically insulating state of matter in two dimensions protected by time-reversal symmetry is the existence of chiral edge modes propagating along the perimeter of the sample. Among the f...

    Ilya K. Drozdov, A. Alexandradinata, Sangjun Jeon, Stevan Nadj-Perge in Nature Physics (2014)

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    Article

    Quantum computing based on semiconductor nanowires

    A quantum computer will have computational power beyond that of conventional computers, which can be exploited for solving important and complex problems, such as predicting the conformations of large biologic...

    Sergey M. Frolov, Sébastien R. Plissard, Stevan Nadj-Perge in MRS Bulletin (2013)