{
  "abstract": "Local electronic states of vortices in an s $\\pm$ d wave nematic superconductor are studied both in the absence and presence of twin boundaries. The Bogoliubov-de Gennes theory for a tight-binding model is used with its nematicity represented by the anisotropy in the transfer integrals and attractive interactions between the nearest-neighbor sites. We evaluate s and d wave components of the pair potentials and the local density of states, and analyze the effects of nematicity on the vortex core structures with/without twin boundaries. We find that a single vortex trapped at the twin boundary is composed of a bound pair of fractional vortices accompanied by weakly-induced s $\\pm$ id wave components, despite that such s $\\pm$ id wave components do not appear in a zero magnetic field. The calculated spatial structures of the local electronic states are compared with the vortex image measured by STM experiments in an iron-based superconductor FeSe.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": "2608.28994",
  "author_total": 3,
  "authors": [
    {
      "name": "Keita Goto"
    },
    {
      "name": "Hiroto Adachi"
    },
    {
      "name": "Masanori Ichioka"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/67wye2dsf1gze.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2608.28994",
  "fulltext_url": null,
  "id": "67wye2dsf1gze",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2608.28994",
  "language": null,
  "licence": "CC-BY-4.0",
  "licence_label": "CC BY 4.0",
  "licence_source": "article",
  "licence_url": "http://creativecommons.org/licenses/by/4.0/",
  "metadata_licence": "CC0-1.0",
  "native_subjects": [
    [
      "arxiv",
      "cond-mat.supr-con"
    ],
    [
      "openalex",
      "2504|Iron-based superconductors research"
    ]
  ],
  "openalex": "W7204951734",
  "pdf_url": "https://arxiv.org/pdf/2608.28994",
  "pmcid": null,
  "pmid": null,
  "published": "2026-08-29",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/67wye2dsf1gze.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:17:41Z",
      "native_id": "2608.28994",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2608.28994"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "arxiv:cond-mat.supr-con",
      "subfield": "condensed-matter"
    }
  ],
  "title": "Electronic state of vortices at twin boundaries in a nematic superconductor",
  "title_text": "Electronic state of vortices at twin boundaries in a nematic superconductor",
  "type": "preprint",
  "updated_at": "2026-10-30T12:17:41Z",
  "url": "https://research.draconitic.com/paper/67wye2dsf1gze",
  "venue": "arXiv",
  "versions": []
}