论文标题
从延长重力的几何完美流体
Geometric Perfect Fluids from Extended Gravity
论文作者
论文摘要
宇宙学和天体物理学的一个主要问题是，黑暗扇区现象学是源于粒子物理学，然后需要检测新的基本成分，还是可以通过修改一般相对论来解决。扩展的重力理论是在全面的几何视图中针对框架暗能和暗物质的候选者。考虑到完美标量的概念，我们表明此类理论的字段方程式自然包含完美的流体项。为Friedman-Lema-Rementre-Roberson-Walker公制开发了具体示例。
A main issue in cosmology and astrophysics is whether the dark sector phenomenology originates from particle physics, then requiring the detection of new fundamental components, or it can be addressed by modifying General Relativity. Extended Theories of Gravity are possible candidates aimed in framing dark energy and dark matter in a comprehensive geometric view. Considering the concept of perfect scalars, we show that the field equations of such theories naturally contain perfect fluid terms. Specific examples are developed for the Friedman-Lemaître-Roberson-Walker metric.
