Loop quantum inflation with inverse volume corrections in light of ACT data

IF 10.5 4区物理与天体物理 Q1 ASTRONOMY & ASTROPHYSICS

Journal of High Energy Astrophysics Pub Date : 2026-04-01 Epub Date: 2026-01-31 DOI:10.1016/j.jheap.2026.100563

Farough Parvizi , Soma Heydari , Milad Solbi , Kayoomars Karami

引用次数: 0

Abstract

Within the framework of loop quantum cosmology (LQC), we investigate the effect of inverse volume corrections on the low scale spontaneously broken supersymmetric (SB SUSY) and exponential inflationary potentials. The LQC modifications to the Friedmann equations and cosmological perturbation parameters are employed to assess the observational viability of these models against recent data from the Atacama Cosmology Telescope (ACT). Our results indicate that in contrast to the standard model of inflation, in the presence of inverse volume corrections in LQC, the predictions of SB SUSY and exponential potentials in the

r - n_{s}

plane lie inside the 68% confidence level interval of the ACT data.

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根据ACT数据进行逆体积修正的循环量子膨胀

在环量子宇宙学（LQC）的框架内，我们研究了逆体积修正对低尺度自发破缺超对称（SB SUSY）和指数暴胀势的影响。利用对Friedmann方程和宇宙学摄动参数的LQC修正来评估这些模型与阿塔卡马宇宙望远镜（ACT）最新数据的观测可行性。我们的结果表明，与标准膨胀模型相反，在LQC中存在逆体积修正的情况下，SB SUSY和r - ns平面上的指数势的预测位于ACT数据的68%置信区间内。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of High Energy Astrophysics Earth and Planetary Sciences-Space and Planetary Science

CiteScore

9.70

自引率

5.30%

发文量

审稿时长

65 days

期刊介绍： The journal welcomes manuscripts on theoretical models, simulations, and observations of highly energetic astrophysical objects both in our Galaxy and beyond. Among those, black holes at all scales, neutron stars, pulsars and their nebula, binaries, novae and supernovae, their remnants, active galaxies, and clusters are just a few examples. The journal will consider research across the whole electromagnetic spectrum, as well as research using various messengers, such as gravitational waves or neutrinos. Effects of high-energy phenomena on cosmology and star-formation, results from dedicated surveys expanding the knowledge of extreme environments, and astrophysical implications of dark matter are also welcomed topics.