有效多项式仿射引力模型中的通胀情景

arXiv - PHYS - Mathematical Physics Pub Date : 2023-12-12 DOI:arxiv-2312.07312

Oscar Castillo-Felisola, Bastian Grez, Jose Perdiguero, Aureliano Skirzewski

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引用次数: 0

摘要

在本文中，我们探讨了建立在一个简化的多项式仿射引力模型上的暴胀情景。考虑到在模型的表述中缺少度量张量，我们使用仿射连接建立一个\emph{动力学项}，用最一般的$(2,0)$张量密度来收缩标量场的导数，并通过缩放体积形式引入一个自相互作用势。我们分析从这个装置得到的宇宙学解。

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Inflationary scenarios in an effective polynomial affine model of gravity

In this paper we inquire inflationary scenarios built on a simplified version of the polynomial affine model of gravity. Given the absence of a metric tensor in the formulation of the model, we build a \emph{kinetic term} contracting the derivatives of scalar field with the most general $(2,0)$-tensor density build using the affine connection, and introduce a self-interacting potential via a scaling of the volume form. We analyse the cosmological solutions derived from this setup.

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arXiv - PHYS - Mathematical Physics

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