General analysis of Noether symmetries in Horndeski gravity

被引：0
|
作者：
Miranda, Marcello [1 ,2 ]
Capozziello, Salvatore [1 ,2 ,3 ]
Vernieri, Daniele [1 ,2 ,3 ]
机构：
[1] Scuola Super Meridionale, Largo San Marcellino 10, I-80138 Naples, Italy
[2] Ist Nazl Fis Nucleare, Sez Napoli, Complesso Univ Monte St Angelo,Edificio G,Via Cint, I-80126 Naples, Italy
[3] Univ Napoli Federico II, Dipartimento Fis E Pancini, Complesso Univ Monte St Angelo,Edificio G,Via Cint, I-80126 Naples, Italy
来源：
EUROPEAN PHYSICAL JOURNAL C | 2024年 / 84卷 / 08期
关键词：
COSMOLOGIES; INFLATION;
D O I：
10.1140/epjc/s10052-024-13088-8
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We explore Noether symmetries of Horndeski gravity, extending the classification of general scalar-tensor theories. Starting from the minimally coupled scalar field and the first-generation scalar-tensor gravity, the discussion is generalised to kinetic gravity braiding and Horndeski gravity. We highlight the main findings by focusing on the non-minimally coupled Gauss-Bonnet term and the extended cuscuton model. Finally, we discuss how the presence of matter can influence Noether symmetries. It turns out that the selected Horndeski functions are unchanged with respect to the vacuum case.
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页数：14
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