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Showing 1–15 of 15 results
Advanced filters: Author: Nicolas Regnault Clear advanced filters

  • Using a system to adjust the strength of cavity vacuum fields penetrating a Hall bar, a study describes the effect of the vacuum field of a cavity on electronic correlations in quantum Hall systems.

    • Josefine Enkner
    • Lorenzo Graziotto
    • Jérôme Faist
    ResearchOpen Access
    Nature
    Volume: 641, P: 884-889

  • Ohmic contacts to n-type molybdenum disulfide can be created over a temperature range from millikelvins to 300 K using a window-contacted technique, which leads to evidence for fractional quantum Hall states at filling fractions of 4/5 and 2/5 in the lowest Landau levels of bilayer molybdenum disulfide devices.

    • Siwen Zhao
    • Jinqiang Huang
    • Zheng Vitto Han
    ResearchOpen Access
    Nature Electronics
    Volume: 7, P: 1117-1125

  • In analogy with quantum Hall systems, it may be possible to find non-abelian anyons in the higher bands of Chern insulators. Now, the phase diagram of the second moiré band of twisted MoTe2 is explored, laying the groundwork for such investigations.

    • Heonjoon Park
    • Jiaqi Cai
    • Xiaodong Xu
    Research
    Nature Physics
    Volume: 21, P: 549-555

  • A catalogue of the naturally occurring three-dimensional stoichiometric materials with flat bands around the Fermi level provides a powerful search engine for future theoretical and experimental studies.

    • Nicolas Regnault
    • Yuanfeng Xu
    • B. Andrei Bernevig
    Research
    Nature
    Volume: 603, P: 824-828

  • Combined hepatocellular-cholangiocarcinomas (cHCC-CCA) are challenging to diagnose, as they exhibit features of hepatocellular carcinoma (HCC) and intrahepatic cholangiocarcinoma (ICCA). Here, the authors use deep learning to re-classify cHCC-CCA tumours into HCC or ICCA based on histopathology images.

    • Julien Calderaro
    • Narmin Ghaffari Laleh
    • Jakob Nikolas Kather
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-10

  • High-resolution scanning tunnelling microscopy is used to observe the quantum textures of the many-body wavefunctions of the correlated insulating, pseudogap and superconducting phases in magic-angle graphene.

    • Kevin P. Nuckolls
    • Ryan L. Lee
    • Ali Yazdani
    Research
    Nature
    Volume: 620, P: 525-532

  • A general theoretical technique is introduced to identify materials that host flat bands. Applying topological quantum chemistry provides the generating bases for these flat bands in all space groups.

    • Dumitru Călugăru
    • Aaron Chew
    • B. Andrei Bernevig
    Research
    Nature Physics
    Volume: 18, P: 185-189

  • High-throughput calculations are performed to predict approximately 130 magnetic topological materials, with complete electronic structure calculations and topological phase diagrams.

    • Yuanfeng Xu
    • Luis Elcoro
    • B. Andrei Bernevig
    Research
    Nature
    Volume: 586, P: 702-707

  • Topological quantum chemistry and newly developed codes are used to analyse and compute the topological properties of materials in a large crystal database and to identify new topological phases, finding that more than 27 per cent of all materials in nature are topological.

    • M. G. Vergniory
    • L. Elcoro
    • Zhijun Wang
    Research
    Nature
    Volume: 566, P: 480-485

  • The strongly correlated interactions found in twisted bilayer systems give rise to a range of exotic phenomena but due to range of factors it is challenging to develop theoretical models that can faithfully describe the underlying physics. Here, the authors provide an analysis of the chiral limits of perturbed Dirac field theories that are relevant to C3-symmetric twisted bilayer graphene and transition metal dichalcogenides homobilayers. They identify two possible scenarios and show that flat bands are a more likely phenomenon in the latter system

    • Valentin Crépel
    • Nicolas Regnault
    • Raquel Queiroz
    ResearchOpen Access
    Communications Physics
    Volume: 7, P: 1-6

  • Solid-state materials have emerged as a platform for probing and manipulating topological phases of matter. This Review surveys topological materials discovery in nonmagnetic crystalline solids, focusing on the role of crystal symmetry and geometry in topological material predictions.

    • Benjamin J. Wieder
    • Barry Bradlyn
    • B. Andrei Bernevig
    Reviews
    Nature Reviews Materials
    Volume: 7, P: 196-216

  • Quantum many-body scarring, a peculiar phenomenon whereby a system thermalizes whilst it keeps returning to its initial state during the time evolution, has recently been observed in experiments on arrays of Rydberg atoms. The authors theoretically investigate the spectral properties of three Hamiltonians using a chain of bosons with density-dependent hopping, providing new insight in the phenomenon of many-body quantum scarring.

    • Ana Hudomal
    • Ivana Vasić
    • Zlatko Papić
    ResearchOpen Access
    Communications Physics
    Volume: 3, P: 1-12