{
  "abstract": "Optical zeros are momenta where the interband dipole vanishes. The dipole phase winds around each of them by an integer, so they are vortices of the resonant optical response with a conserved charge. We show that in rhombohedral graphene multilayers one integer, the stacking chirality $N$, fixes their constellation near the $K$ valley: the total charge per linear polarization is $N-1$ and is conserved under trigonal warping and interlayer bias; for $N\\ge3$ the $K$ point stays an exact optical zero, the Bernal bilayer being the only exception; warping places the remaining charge on satellites whose radii scale linearly with the warping; and the charge pinned at $K$ is bias independent for $N\\ge4$. A quantized interband character counts the enclosed charge as an integer staircase with steps at these radii, and an interlayer bias drives a satellite through the protected $K$ vortex in the trilayer. The rules survive the remote hoppings of the full tight-binding model and, being integer charges, the corrections that reshape the bands. The same integer sets the magnitude of the response: the band-edge shift current grows linearly with $N$.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": "2611.04076",
  "author_total": 4,
  "authors": [
    {
      "name": "Felipe Pérez Riffo"
    },
    {
      "name": "Matías Castro Schnaidt"
    },
    {
      "name": "Juan M. Florez"
    },
    {
      "name": "Eric Suárez Morell"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/fh1axkwzewapt.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2611.04076",
  "fulltext_url": null,
  "id": "fh1axkwzewapt",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2611.04076",
  "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"
    ]
  ],
  "openalex": null,
  "pdf_url": "https://arxiv.org/pdf/2611.04076",
  "pmcid": null,
  "pmid": null,
  "published": "2026-11-02",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/fh1axkwzewapt.ris",
  "sources": [
    {
      "first_seen": "2026-11-04T15:21:25Z",
      "native_id": "2611.04076",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2611.04076"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "arxiv:cond-mat.mes-hall",
      "subfield": "condensed-matter"
    }
  ],
  "title": "Chirality rules for optical vortices in rhombohedral graphene multilayers",
  "title_text": "Chirality rules for optical vortices in rhombohedral graphene multilayers",
  "type": "preprint",
  "updated_at": "2026-11-06T18:21:01Z",
  "url": "https://research.draconitic.com/paper/fh1axkwzewapt",
  "venue": "arXiv",
  "versions": []
}