{
  "abstract": "We present a classical field simulation study of the thermal melting of a two-dimensional vortex lattice in a rotating Bose gas, focusing on the role of finite-size effects on the melting temperature. This work constitutes a numerical continuation of the recent experimental investigation reported in [Physical Review Letters 133, 143401 (2024)], which addressed the thermal melting of a vortex lattice in a quasi- two-dimensional Bose gas. Using the stochastic projected Gross-Pitaevskii equation in a harmonic plus quartic trap, we simulate the finite-temperature equilibrium state and extract vortex configurations from density snapshots. Clear signatures of the two-step Kosterlitz–Thouless–Halperin–Nelson–Young melting scenario are identified. Our simulations enable a detailed characterization of the crystalline, hexatic, and liquid phases through correlation functions quantifying the translational and orientational order and through defect statistics. Finite-size effects are shown to play a crucial role at lower rotation frequencies, affecting the proliferation of lattice defects.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": "2603.01911",
  "author_total": 5,
  "authors": [
    {
      "name": "Sálvio Jacob Bereta"
    },
    {
      "name": "Lucas Madeira"
    },
    {
      "name": "Mônica Caracanhas"
    },
    {
      "name": "Hélène Perrin"
    },
    {
      "name": "Romain Dubessy"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/5gp11d9rkwygm.bib",
  "cited_by": 0,
  "doi": "10.1088/1367-2630/ae7ab2",
  "fulltext_url": null,
  "id": "5gp11d9rkwygm",
  "issns": [
    "1367-2630"
  ],
  "landing_url": "https://amu.hal.science/hal-05528326v2",
  "language": "en",
  "licence": "CC-BY-4.0",
  "licence_label": "CC BY 4.0",
  "licence_source": "article",
  "licence_url": "https://creativecommons.org/licenses/by/4.0/",
  "metadata_licence": null,
  "native_subjects": [
    [
      "hal",
      "0.phys"
    ],
    [
      "hal",
      "1.phys.cond"
    ],
    [
      "hal",
      "2.phys.cond.gas"
    ],
    [
      "openalex",
      "3107|Cold Atom Physics and Bose-Einstein Condensates"
    ]
  ],
  "openalex": "W7164001365",
  "pdf_url": "https://amu.hal.science/hal-05528326/document",
  "pmcid": null,
  "pmid": null,
  "published": "2026-06-26",
  "publisher": "Institute of Physics: Open Access Journals",
  "ris": "https://research.draconitic.com/paper/5gp11d9rkwygm.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:17:24Z",
      "native_id": "hal-05528326",
      "source": "hal",
      "url": "https://amu.hal.science/hal-05528326v2"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "hal:1.phys.cond",
      "subfield": "condensed-matter"
    }
  ],
  "title": "Classical field simulation of vortex lattice melting in a two-dimensional fast rotating Bose gas",
  "title_text": "Classical field simulation of vortex lattice melting in a two-dimensional fast rotating Bose gas",
  "type": "peer-reviewed",
  "updated_at": "2026-10-30T12:17:24Z",
  "url": "https://research.draconitic.com/paper/5gp11d9rkwygm",
  "venue": "New Journal of Physics",
  "versions": []
}