Then, based on above review, we propose an analytical tachyon inflation model driven by scalar field with Bom-Infeld-type Lagrangian.
在上述评述的基础上，第二部分讨论了快子宇宙学，其中核心的内容是提出了一个精确可解的快子暴涨模型。
3
In this study, Banados and Ferreira have tried a new way to extend the theory to include matter by using a gravitational action called the Born-Infeld action.