Pith Number

pith:UT46KV6V

pith:2026:UT46KV6V7SK7BZ2JQO7GYLFTQ2

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Induced-Gravity Palatini-Like Higgs Inflation in Supergravity Confronts ACT DR6

C. Pallis

Supergravity model of induced-gravity Higgs inflation matches ACT DR6 while breaking B-L symmetry at 10^16 GeV scales.

arxiv:2602.05623 v3 · 2026-02-05 · hep-ph · astro-ph.CO · hep-th

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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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Claims

C1strongest claim

We formulate within Supergravity a model of induced-gravity inflation, excellently consistent with ACT DR6, inspired by the Palatini gravity. The inflaton belongs in the decomposition of a conjugate pair of Higgs superfields which lead to the spontaneous breaking of a U(1)B-L symmetry at a scale close to the range (0.102-5.85)x10^16 GeV.

C2weakest assumption

The Kaehler potential contains a real shift-symmetric contribution together with separate holomorphic and antiholomorphic logarithmic terms whose argument is interpreted as the inflaton-Ricci scalar coupling; these terms are assumed to produce canonical normalization, subplanckian field values, and energy scales below the effective-theory cutoff.

C3one line summary

A Palatini-inspired induced-gravity inflation model in supergravity fits ACT DR6 data while embedding into a B-L extended MSSM with split SUSY and leptogenesis.

References

137 extracted · 137 resolved · 60 Pith anchors

[1] The Atacama Cosmology Telescope: DR6 Power Spectra, Likelihoods and $\Lambda$CDM Parameters 2025 · arXiv:2503.14452

[2] The Atacama Cosmology Telescope: DR6 Constraints on Extended Cosmological Models 2025 · arXiv:2503.14454

[3] Planck 2018 results. X. Constraints on inflation 2018 · arXiv:1807.06211

[4] R. Kallosh, A. Linde and D. Roest, Atacama Cosmology T elescope, South Pole T elescope, and Cha otic Inﬂation, Phys. Rev. Lett. 135, no.16, 161001 (2025) [ arXiv:2503.21030] 2025

[5] Po- tential Reconstruction from ACT Observations Lead- ing to Polynomialα-Attractor

Formal links

2 machine-checked theorem links

Cited by

2 papers in Pith

Jordan Frame in Supergravity and Cosmology

Conventional and Unitarity-Conserving Peccei-Quinn Inflation Models and ACT

Receipt and verification

First computed	2026-05-26T01:02:31.988075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4f9e557d5fc95f0e74983be6c2cb386b4989aa4c80d66636eaecfa70655b053

Aliases

arxiv: 2602.05623 · arxiv_version: 2602.05623v3 · doi: 10.48550/arxiv.2602.05623 · pith_short_12: UT46KV6V7SK7 · pith_short_16: UT46KV6V7SK7BZ2J · pith_short_8: UT46KV6V

Agent API

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Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/UT46KV6V7SK7BZ2JQO7GYLFTQ2 \
  | 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: a4f9e557d5fc95f0e74983be6c2cb386b4989aa4c80d66636eaecfa70655b053

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6eeb4d169e8be72f8fff8432418fc44c55f7b0bdafd23eac30219f942f2c3a1",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2026-02-05T12:58:52Z",
    "title_canon_sha256": "e97f94637e02164f8bd88006ea9af9955c1dc4c5e03481e9dfcf5b8453d9514b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.05623",
    "kind": "arxiv",
    "version": 3
  }
}