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Peer-reviewedCC BY 4.0The European Physical Journal C

Three-channel dissipative warm Higgs inflation with global inference via genetic algorithms

  • Wei Cheng1,2
  1. 1Chongqing University of Posts and Telecommunications
  2. 2Chongqing University
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Abstract

Warm Higgs inflation is investigated in an effective channel-resolved dissipative framework in which the total dissipative coefficient is decomposed into low temperature (LT), high temperature (HT), and threshold activated (th) contributions. This decomposition defines the dissipative sector as a phenomenological effective description. The channel fractions are followed together with the e-fold background evolution and are used as decomposition-dependent structural indicators of the dissipative budget. A genetic algorithm global search supplemented by mixing and entropy priors maps the high dimensional parameter space and identifies multi channel trajectories. The primordial observables are derived from the warm inflation scalar spectrum. The growth factor G(Q) is evaluated with unity-normalized weak-dissipative choices and an illustrative c=−1-type sensitivity benchmark. A representative weak dissipative threshold relay solution gives (T/H)*=1.6226, Q*=1.70× 10−5, ns≃ 0.969, and r=(1.58–3.22)× 10−3. The illustrative c=−1-type sensitivity benchmark gives As=2.178× 10−9, while the unity normalized choices mainly require an order unity common rescaling of λ /ξ 2. At the pivot scale the high temperature and threshold sectors contribute comparably, fHT,*=0.459 and fth,*=0.541, followed by threshold dominance throughout the reliable bulk evolution. The solution is weakly dissipative and exhibits an effective HT-threshold relay within a small total dissipative coefficient. This channel resolved treatment offers a quantitative probe of time dependent dissipative structure beyond single channel warm inflation parameterizations.

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Cite

BibTeXRIS
BibTeX
@article{cheng2026threechannel,
  title = {{Three-channel dissipative warm Higgs inflation with global inference via genetic algorithms}},
  author = {Wei Cheng},
  journal = {The European Physical Journal C},
  year = {2026},
  month = oct,
  doi = {10.1140/epjc/s10052-026-16464-8},
  url = {https://link.springer.com/article/10.1140/epjc/s10052-026-16464-8},
  note = {CC BY 4.0},
}
RIS
TY  - JOUR
TI  - Three-channel dissipative warm Higgs inflation with global inference via genetic algorithms
AU  - Wei Cheng
PY  - 2026
DA  - 2026/10/29
JO  - The European Physical Journal C
DO  - 10.1140/epjc/s10052-026-16464-8
UR  - https://link.springer.com/article/10.1140/epjc/s10052-026-16464-8
AB  - Warm Higgs inflation is investigated in an effective channel-resolved dissipative framework in which the total dissipative coefficient is decomposed into low temperature (LT), high temperature (HT), and threshold activated (th) contributions. This decomposition defines the dissipative sector as a phenomenological effective description. The channel fractions are followed together with the e-fold background evolution and are used as decomposition-dependent structural indicators of the dissipative budget. A genetic algorithm global search supplemented by mixing and entropy priors maps the high dimensional parameter space and identifies multi channel trajectories. The primordial observables are derived from the warm inflation scalar spectrum. The growth factor G(Q) is evaluated with unity-normalized weak-dissipative choices and an illustrative c=−1-type sensitivity benchmark. A representative weak dissipative threshold relay solution gives (T/H)_*=1.6226, Q_*=1.70× 10^−5, n_s≃ 0.969, and r=(1.58–3.22)× 10^−3. The illustrative c=−1-type sensitivity benchmark gives A_s=2.178× 10^−9, while the unity normalized choices mainly require an order unity common rescaling of λ /ξ ^2. At the pivot scale the high temperature and threshold sectors contribute comparably, f_HT,*=0.459 and f_th,*=0.541, followed by threshold dominance throughout the reliable bulk evolution. The solution is weakly dissipative and exhibits an effective HT-threshold relay within a small total dissipative coefficient. This channel resolved treatment offers a quantitative probe of time dependent dissipative structure beyond single channel warm inflation parameterizations.
SN  - 1434-6052
SN  - 1434-6044
ER  -