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Showing 1–15 of 15 results
Advanced filters: Author: Jason Alicea Clear advanced filters

  • Scanning tunnelling microscopy shows that electrons in twisted bilayer graphene are strongly correlated for a wide range of density. In particular, a correlated regime appears near charge neutrality and theory suggests nematic ordering.

    • Youngjoon Choi
    • Jeannette Kemmer
    • Stevan Nadj-Perge
    Research
    Nature Physics
    Volume: 15, P: 1174-1180

  • A superconductor placed near a quantum Hall edge can show emergent excitations with a range of exotic features. For instance, such heterostructures are predicted to exhibit non-local signatures that are direct extensions of ‘Andreev reflection’.

    • David J. Clarke
    • Jason Alicea
    • Kirill Shtengel
    Research
    Nature Physics
    Volume: 10, P: 877-882

  • Condensed-matter physicists are steadily closing in on exotic excitations known as Majorana modes that could advance both fundamental science and quantum computing.

    • Jason Alicea
    News & Views
    Nature Nanotechnology
    Volume: 8, P: 623-624

  • Quantum computers will one day wildly outperform conventional machines. An experimental feat reveals a fundamental property of exotic superconductors that brings this quantum technology a step closer. See Letter p.206

    • Jason Alicea
    News & Views
    Nature
    Volume: 531, P: 177-178

  • Placing monolayer tungsten diselenide on Bernal-stacked bilayer graphene promotes enhanced superconductivity, indicating that proximity-induced spin–orbit coupling plays a key role in stabilizing the pairing, paving the way for engineering tunable, ultra-clean graphene-based superconductors.

    • Yiran Zhang
    • Robert Polski
    • Stevan Nadj-Perge
    Research
    Nature
    Volume: 613, P: 268-273

  • Non-Abelian anyons are exotic quasiparticles envisioned to be promising candidates for solid-state quantum computation. Clarkeet al. propose a device fabricated from fractional quantum Hall states and superconductors that supports a new type of non-Abelian defect that binds parafermionic zero modes.

    • David J. Clarke
    • Jason Alicea
    • Kirill Shtengel
    Research
    Nature Communications
    Volume: 4, P: 1-9

  • Correlation-driven topological phases with different Chern numbers are observed in magic-angle twisted bilayer graphene in modest magnetic fields, indicating that strong electronic interactions can lead to topologically non-trivial phases.

    • Youngjoon Choi
    • Hyunjin Kim
    • Stevan Nadj-Perge
    Research
    Nature
    Volume: 589, P: 536-541

  • Topological quantum computation schemes — where quantum information is stored non-locally — provide, in theory, an elegant way of avoiding the deleterious effects of decoherence, but they have proved difficult to realize experimentally. A proposal to engineer topological phases into networks of one-dimensional semiconducting wires should bring topological quantum computers a step closer.

    • Jason Alicea
    • Yuval Oreg
    • Matthew P. A. Fisher
    Research
    Nature Physics
    Volume: 7, P: 412-417

  • Twisted bilayer graphene hosts flat electronic bands, but their relationship to the observed correlated phases is still debated. Here, it is shown that electron–electron interactions can help to flatten the bands and generate the correlated phases.

    • Youngjoon Choi
    • Hyunjin Kim
    • Stevan Nadj-Perge
    Research
    Nature Physics
    Volume: 17, P: 1375-1381