{
  "abstract": "Localization effects are central to disordered electronics and photonics. In electronics, Anderson localization governs electron confinement in randomly perturbed lattices. Similarly, its photonic counterpart inhibits light transport via disorder -- but with a unique exception: Brewster-anomaly delocalization, where the Brewster effect prevents multiple-scattering interference and counteracts the localization. Despite extensive research in electronics and photonics separately, the intricate role of localization effects in free-electron--light interactions -- vital for lasers, accelerators, microscopy and spectroscopy, and quantum information -- remains largely unexplored. At the same time, localization effects are widely regarded as a key factor limiting the efficient coupling between free electrons and light in random media. Here we overcome this key limitation via the unconventional interplay between Brewster-anomaly delocalization and free-electron radiation. In this way, free-electron radiation can be localization-free, intense and directional even in strongly disordered, unengineered multilayers. Essentially, this delocalization-mediated free-electron radiation is remarkably invariant not only to the random-medium configuration, but also to the light frequency and the electron velocity. Our findings unlock new opportunities for particle detectors and achromatic light sources operating in easy-to-fabricate complex media at previously inaccessible frequencies.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": "Journal reference: Phys. Rev. Lett. 137 (2026) 186903",
  "arxiv": "2607.27894",
  "author_total": 6,
  "authors": [
    {
      "name": "Zheng Gong"
    },
    {
      "name": "Xiangfeng Xi"
    },
    {
      "name": "Hongsheng Chen"
    },
    {
      "name": "Owen D. Miller"
    },
    {
      "name": "Stefan Rotter"
    },
    {
      "name": "Xiao Lin"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/a2pew727hd8w9.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2607.27894",
  "fulltext_url": null,
  "id": "a2pew727hd8w9",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2607.27894",
  "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",
      "hep-th"
    ],
    [
      "arxiv",
      "physics.optics"
    ]
  ],
  "openalex": null,
  "pdf_url": "https://arxiv.org/pdf/2607.27894",
  "pmcid": null,
  "pmid": null,
  "published": "2026-07-30",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/a2pew727hd8w9.ris",
  "sources": [
    {
      "first_seen": "2026-11-05T15:20:56Z",
      "native_id": "2607.27894",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2607.27894"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "arxiv:hep-th",
      "subfield": "high-energy"
    },
    {
      "field": "physics",
      "origin": "arxiv:physics.optics",
      "subfield": "optics-photonics"
    }
  ],
  "title": "Brewster-anomaly delocalization for free-electron radiation",
  "title_text": "Brewster-anomaly delocalization for free-electron radiation",
  "type": "preprint",
  "updated_at": "2026-11-09T00:20:12Z",
  "url": "https://research.draconitic.com/paper/a2pew727hd8w9",
  "venue": "arXiv",
  "versions": [
    {
      "doi": "10.1103/fkp4-9l19",
      "pid": null,
      "relation": "published-as",
      "title": null,
      "venue": null
    }
  ]
}