论文标题

筛选的修饰重力的天体物理测试

Astrophysical Tests of Screened Modified Gravity

论文作者

Sakstein, Jeremy

论文摘要

经过筛选的修饰的重力理论逃避了太阳系测试,这些测试对经典的替代重力理论​​来说是过敏性的。在许多情况下,它们不适合PPN形式主义。筛选的环境依赖性促使一致的努力使用经过充分研究但迄今尚未用于测试重力的物体找到重力的新的和新颖的重力探针。天体物理对象--​​-恒星,星系,簇 - - 已证明是为此目的的竞争工具,因为它们占据了太阳系和哈勃流量之间部分筛选的状态。在本文中,我们回顾了当前筛选的修饰重力理论的天体物理测试。

Screened modified gravity theories evade the solar system tests that have proved prohibitive for classical alternative gravity theories. In many cases, they do not fit into the PPN formalism. The environmental dependence of the screening has motivated a concerted effort to find new and novel probes of gravity using objects that are well-studied but have hitherto not been used to test gravity. Astrophysical objects---stars, galaxies, clusters---have proved competitive tools for this purpose since they occupy the partially-screened regime between solar system and the Hubble flow. In this article we review the current astrophysical tests of screened modified gravity theories.

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