Scholarlink

In this paper, we briefly review highlights of nonlocal de Sitter gravity based on the nonlocal term \( \sqrt{R - 2\varLambda }\ \mathcal {F}(\Box )\ \sqrt{R - 2\varLambda }\) in the Einstein-Hilbert action without matter sector. This nonlocal de Sitter gravity model has several exact cosmological FLRW solutions and one of these solutions contains some effects that are usually assigned to dark matter and dark energy. There are also some other interesting and promising properties of this kind of gravity nonlocality. We also review some anisotropic cosmological solutions, and mention the corresponding nonlocal Schwarzschild-de sitter metric.

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

On a Nonlocal de Sitter Gravity

  • 会议论文

  • 发表日期：

    2025年

查看全文
  • Ivan Dimitrijević,
  • Branko Dragovich,
  • Zoran Rakić,
  • Jelena Stanković

摘要

In this paper, we briefly review highlights of nonlocal de Sitter gravity based on the nonlocal term \( \sqrt{R - 2\varLambda }\ \mathcal {F}(\Box )\ \sqrt{R - 2\varLambda }\) in the Einstein-Hilbert action without matter sector. This nonlocal de Sitter gravity model has several exact cosmological FLRW solutions and one of these solutions contains some effects that are usually assigned to dark matter and dark energy. There are also some other interesting and promising properties of this kind of gravity nonlocality. We also review some anisotropic cosmological solutions, and mention the corresponding nonlocal Schwarzschild-de sitter metric.