On the “Einstein–Gauss–Bonnet gravity in four dimension”
oleh: Li-Ming Cao, Liang-Bi Wu
| Format: | Article |
|---|---|
| Diterbitkan: | SpringerOpen 2022-02-01 |
Deskripsi
Abstract To ensure the existence of a well defined linearized gravitational wave equation, we show that the spacetimes in the so-called “Einstein–Gauss–Bonnet gravity in four dimension” have to be locally conformally flat.