Pith Number

pith:NTZPYRIE

pith:2025:NTZPYRIEDGZXCBA5EK5GIAVE2P

not attested not anchored not stored refs resolved

Probing higher curvature gravity via ringdown with overtones

Hayato Motohashi, Kazufumi Takahashi, Keisuke Nakashi, Masashi Kimura

Higher curvature corrections deform the near-horizon effective potential and amplify deviations in overtone quasinormal modes from general relativity.

arxiv:2512.22728 v2 · 2025-12-27 · gr-qc · hep-th

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Record completeness

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4 Citations open

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The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Claims

C1strongest claim

We show that higher curvature corrections deform the near-horizon region of the effective potential, and that the deviations of the quasinormal mode (QNM) frequencies from their general relativity (GR) values become more pronounced for overtone modes.

C2weakest assumption

The analysis assumes a specific higher-curvature Lagrangian (implicit in the model) whose coupling is small enough that the background remains close to Schwarzschild and linear perturbation theory remains valid; the paper does not derive the background metric from the full field equations.

C3one line summary

Higher-curvature terms deform the near-horizon potential of spherically symmetric black holes, producing progressively larger shifts in overtone quasinormal frequencies that remain detectable in ringdown waveforms when the fundamental mode stays close to its GR value.

References

74 extracted · 74 resolved · 21 Pith anchors

[1] Black holes, gravitational waves and fundamental physics: a roadmap 2019 · arXiv:1806.05195

[2] Black hole spectroscopy: from theory to experiment · arXiv:2505.23895

[3] Testing General Relativity with Present and Future Astrophysical Observations 2015 · arXiv:1501.07274

[4] D. J. Gross and J. H. Sloan,The Quartic Effective Action for the Heterotic String,Nucl. Phys. B291(1987) 41 1987

[5] D. J. Gross and E. Witten,Superstring Modifications of Einstein’s Equations,Nucl. Phys. B 277(1986) 1. 26 1986

Formal links

2 machine-checked theorem links

Cited by

2 papers in Pith

Confronting eikonal and post-Kerr methods with numerical evolution of scalar field perturbations in spacetimes beyond Kerr

Quasinormal modes and their excitation beyond general relativity. II: isospectrality loss in gravitational waveforms

Receipt and verification

First computed	2026-05-17T23:39:00.352212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cf2fc450419b371041d22ba6402a4d3d1a706132704d955f3b1642c17d7949d

Aliases

arxiv: 2512.22728 · arxiv_version: 2512.22728v2 · doi: 10.48550/arxiv.2512.22728 · pith_short_12: NTZPYRIEDGZX · pith_short_16: NTZPYRIEDGZXCBA5 · pith_short_8: NTZPYRIE

Agent API

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Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/NTZPYRIEDGZXCBA5EK5GIAVE2P \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 6cf2fc450419b371041d22ba6402a4d3d1a706132704d955f3b1642c17d7949d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9e7420d4ec5d75b9535ad8c742f31972730d682fb65ddc27959893272b6198b",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-12-27T23:59:41Z",
    "title_canon_sha256": "1cc66a290411e77abf99f4d718aafe256c000a3aa48606ac078d2e8074c4fbe1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.22728",
    "kind": "arxiv",
    "version": 2
  }
}