非正则3型暗能量

IF 5 2区物理与天体物理 Q1 ASTRONOMY & ASTROPHYSICS

Physics of the Dark Universe Pub Date : 2025-02-01 DOI:10.1016/j.dark.2025.101827

Vitor da Fonseca , Bruno J. Barros , Tiago Barreiro , Nelson J. Nunes

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引用次数: 0

摘要

在这项研究中，我们精心构建了一个3-form拉格朗日量，旨在模拟过去的尘埃物质和当前时代暗能量驱动加速的动力学。一个动力系统的方法被用来研究宇宙背景的潜在行为。通过研究潜在斜率和初始条件对动力学解的影响，我们确定了能够在当前时代复制德西特宇宙的不同可行情景。该模型的一个有趣的方面是存在描述多重暴胀阶段的解，其中3-形式的自相互作用势迅速衰减。

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Non-canonical 3-form dark energy

In this study, we meticulously construct a 3-form Lagrangian designed to mimic the dynamics of both dust matter in the past and dark energy driving the acceleration in the present era. A dynamical systems approach is used to investigate the underlying behavior of the cosmological background. By investigating the influence of the potential slope and initial conditions on the dynamical solutions, we identify distinct viable scenarios capable of replicating a De Sitter universe in the present epoch. An intriguing aspect of the model is the existence of solutions describing multiple inflationary phases in which the 3-form self-interacting potential decays rapidly.

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来源期刊

Physics of the Dark Universe ASTRONOMY & ASTROPHYSICS-

CiteScore

9.60

自引率

7.30%

发文量

118

审稿时长

61 days

期刊介绍： Physics of the Dark Universe is an innovative online-only journal that offers rapid publication of peer-reviewed, original research articles considered of high scientific impact. The journal is focused on the understanding of Dark Matter, Dark Energy, Early Universe, gravitational waves and neutrinos, covering all theoretical, experimental and phenomenological aspects.