{
  "abstract": "Recent experiments on lightly electron-doped rhombohedral multilayer graphene (RMG) in the \"transdimensional\" regime revealed anomalous Hall hysteresis under both perpendicular and in-plane magnetic fields, pointing to the emergence of transdimensional orbital magnetism in an interaction-driven \"Fermi-lune\" metal. Here we demonstrate that, by coupling to the moiré potential, this transdimensional orbital ferromagnetic metal can evolve into quantized Chern insulator phases in twisted RMG/hBN moiré superlattices. Using unrestricted Hartree-Fock calculations, we find that interaction-driven reconstruction isolates a spin-valley-polarized $|C| = 1$ Chern band, leading to a \"transdimensional Chern insulator\" (TDCI) state exhibiting both in-plane and out-of-plane orbital magnetizations. A minimal two-band model is introduced to describe the unique properties of TDCI, which unveils the intimate connection between non-reciprocal velocity and in-plane orbital magnetization. We further analyze the collective excitations of TDCIs, and identify soft charge and spin modes that may lead to density wave instabilities in certain cases. An in-plane magnetic field can harden the soft density-wave mode and may drive a transition from density-wave state to TDCI. Finally, when the $|C| = 1$ band is fractionally filled, the many-body ground state may be a fractional Chern insulator with broken rotation and mirror symmetries.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": "2610.21310",
  "author_total": 4,
  "authors": [
    {
      "name": "Min Li"
    },
    {
      "name": "Xin Lu"
    },
    {
      "name": "Lei Wang"
    },
    {
      "name": "Jianpeng Liu"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/5r1qjghwpzyb1.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2610.21310",
  "fulltext_url": null,
  "id": "5r1qjghwpzyb1",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2610.21310",
  "language": null,
  "licence": "LicenseRef-arXiv-nonexclusive-1.0",
  "licence_label": "arXiv licence",
  "licence_source": "article",
  "licence_url": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
  "metadata_licence": "CC0-1.0",
  "native_subjects": [
    [
      "arxiv",
      "cond-mat.mes-hall"
    ],
    [
      "arxiv",
      "cond-mat.str-el"
    ],
    [
      "openalex",
      "3107|Topological Materials and Phenomena"
    ]
  ],
  "openalex": "W7222686331",
  "pdf_url": "https://arxiv.org/pdf/2610.21310",
  "pmcid": null,
  "pmid": null,
  "published": "2026-10-15",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/5r1qjghwpzyb1.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:29:50Z",
      "native_id": "2610.21310",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2610.21310"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "arxiv:cond-mat.mes-hall",
      "subfield": "condensed-matter"
    }
  ],
  "title": "Transdimensional Chern insulators in rhombohedral multilayer graphene superlattices",
  "title_text": "Transdimensional Chern insulators in rhombohedral multilayer graphene superlattices",
  "type": "preprint",
  "updated_at": "2026-10-30T12:29:50Z",
  "url": "https://research.draconitic.com/paper/5r1qjghwpzyb1",
  "venue": "arXiv",
  "versions": []
}