{
  "abstract": "Quantum Monte Carlo simulations confirm the existence of a bound state of a single He-3 atom at a free superfluid He-4 surface in three dimensions, localized within a ~10-A thick low-density He-4 surface layer, with a binding energy of approximately 4 K with respect to vacuum. As the temperature is raised above ~ 1 K the He-3 atom leaves the surface to dissolve into the superfluid. The situation is entirely different in two dimensions, as the He-3 atom is excluded from the superfluid and no surface bound state exists. Results are also presented for the a He-3 atom binding to nanoscale size He-4 clusters adsorbed on weak substrates, a physical system that may allow for the observation of some of the physics predicted for extended surfaces. It is shown that a He-3 bound state localized at the perimeter of sufficiently small (a few tens of atoms) clusters exists not just on Cs, as previously reported, but on all alkali substrates.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": "2608.27664",
  "author_total": 1,
  "authors": [
    {
      "name": "Massimo Boninsegni"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/05cw1yazqkdce.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2608.27664",
  "fulltext_url": null,
  "id": "05cw1yazqkdce",
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  "landing_url": "https://arxiv.org/abs/2608.27664",
  "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.stat-mech"
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    [
      "openalex",
      "3107|Quantum, superfluid, helium dynamics"
    ]
  ],
  "openalex": "W7204814216",
  "pdf_url": "https://arxiv.org/pdf/2608.27664",
  "pmcid": null,
  "pmid": null,
  "published": "2026-08-27",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/05cw1yazqkdce.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:17:22Z",
      "native_id": "2608.27664",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2608.27664"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "arxiv:cond-mat.stat-mech",
      "subfield": "statistical-nonlinear"
    }
  ],
  "title": "Bound state of a He-3 atom at free He-4 surfaces",
  "title_text": "Bound state of a He-3 atom at free He-4 surfaces",
  "type": "preprint",
  "updated_at": "2026-10-30T12:17:22Z",
  "url": "https://research.draconitic.com/paper/05cw1yazqkdce",
  "venue": "arXiv",
  "versions": []
}