Pith Number

pith:HMYNRAP7

pith:2026:HMYNRAP7VPWBGQ7LM4IHM22FJZ

not attested not anchored not stored refs resolved

Radial Oscillations of Neutron Stars with Vector-Induced Scalar Hair

Hamza Boumaza

In a subclass of scalar-vector-tensor theories, the vector-curvature coupling changes neutron star mass-radius curves and radial oscillation spectra while keeping the onset of instability tied to the maximum-mass configuration.

arxiv:2602.02272 v2 · 2026-02-02 · gr-qc

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\pithnumber{HMYNRAP7VPWBGQ7LM4IHM22FJZ}

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Record completeness

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2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications 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

Our results show that the modified gravity parameter can significantly affect the mass-radius relation, the oscillation spectrum, and the stability properties of neutron stars, while preserving the coincidence between the onset of radial instability and the maximum-mass configuration, as in General Relativity.

C2weakest assumption

The analysis assumes a specific subclass of gauge-invariant SVT theories with vector-curvature coupling is the relevant modification and that the derived quadratic action for perturbations accurately captures the linear dynamics without higher-order effects.

C3one line summary

In scalar-vector-tensor gravity, the vector-curvature coupling alters neutron star mass-radius curves and radial oscillation frequencies while preserving the coincidence of maximum mass with the onset of radial instability.

References

50 extracted · 50 resolved · 30 Pith anchors

[1] GW150914: The Advanced LIGO Detectors in the Era of First Discoveries 2010 · arXiv:1602.03838

[2] Second-order scalar-tensor field equations in a four-dimensional space, 1974

[3] Degenerate higher derivative theories beyond Horndeski: evading the Ostrogradski instability 2016 · arXiv:1510.06930

[4] Heisenberg, JCAP 05, 015 (2014), arXiv:1402.7026 [hep-th] 2014

[5] Scalar-Vector-Tensor Gravity Theories 2018 · arXiv:1801.01523

Formal links

2 machine-checked theorem links

Cited by

1 paper in Pith

Tachyonic (In)stability in Randall-Sundrum Braneworld Scenarios

Receipt and verification

First computed	2026-05-17T23:39:16.445194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b30d881ffabec1343eb6710766b454e498a7e4af846ef9dfc597bb929c7bf3c

Aliases

arxiv: 2602.02272 · arxiv_version: 2602.02272v2 · doi: 10.48550/arxiv.2602.02272 · pith_short_12: HMYNRAP7VPWB · pith_short_16: HMYNRAP7VPWBGQ7L · pith_short_8: HMYNRAP7

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/HMYNRAP7VPWBGQ7LM4IHM22FJZ \
  | 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: 3b30d881ffabec1343eb6710766b454e498a7e4af846ef9dfc597bb929c7bf3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21af9d0f7e9d2ac5dd1e90fb5bd7c32384f85a142a3dc5e7103b049ac5144ae1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-02-02T16:13:48Z",
    "title_canon_sha256": "34ed0e1c310ddd199d06477657a7fdcbc80ce379d66711a43f13e3148f4fd8a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.02272",
    "kind": "arxiv",
    "version": 2
  }
}