{
  "abstract": "We investigate fermionic spectral functions in a two-current Gubser-Rocha background with linear-axion momentum relaxation. Serving as a comparison channel, the dipole coupling $p_1$ is found to produce a soft asymmetric reconstruction without opening a clean hard Mott gap. Our main analysis then focuses on two axion-dependent non-minimal couplings modulated by current mixing. The $p_2$ tensor channel suppresses the zero-energy Fermi peak and shifts the dominant spectral weight to finite frequencies, resulting in a flat-bottom reconstruction. In contrast, the $p_3$ vector channel creates a strong spectral asymmetry in momentum space, generating open, Fermi-arc-like segments. Varying the momentum-relaxation strength $β/μ$ and the doping parameter $χ$ reveals a channel-dependent response to the two-current background. Increasing $β/μ$ generally broadens the $p_2$ response, whereas the one-sided $p_3$ feature varies non-monotonically under changes of the background parameters. These results clarify how current mixing, axion-induced momentum relaxation, and non-minimal fermion couplings jointly reshape holographic fermionic excitations. These results clarify how current mixing, axion-induced momentum relaxation, and non-minimal fermion couplings jointly reshape holographic fermionic excitations.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": "2610.11323",
  "author_total": 2,
  "authors": [
    {
      "name": "Cai-E Liu"
    },
    {
      "name": "Defu Hou"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/3ym8aasctrrzt.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2610.11323",
  "fulltext_url": null,
  "id": "3ym8aasctrrzt",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2610.11323",
  "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.str-el"
    ],
    [
      "arxiv",
      "hep-th"
    ],
    [
      "openalex",
      "3106|Black Holes and Theoretical Physics"
    ]
  ],
  "openalex": "W7221195353",
  "pdf_url": "https://arxiv.org/pdf/2610.11323",
  "pmcid": null,
  "pmid": null,
  "published": "2026-10-08",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/3ym8aasctrrzt.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:27:54Z",
      "native_id": "2610.11323",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2610.11323"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "arxiv:cond-mat.str-el",
      "subfield": "condensed-matter"
    },
    {
      "field": "physics",
      "origin": "arxiv:hep-th",
      "subfield": "high-energy"
    }
  ],
  "title": "Fermionic Spectral Functions in a Two-Current Gubser-Rocha Model with Axion Momentum Relaxation",
  "title_text": "Fermionic Spectral Functions in a Two-Current Gubser-Rocha Model with Axion Momentum Relaxation",
  "type": "preprint",
  "updated_at": "2026-10-30T12:27:54Z",
  "url": "https://research.draconitic.com/paper/3ym8aasctrrzt",
  "venue": "arXiv",
  "versions": []
}