Free Access

Table 2

Location of the event horizon, and of the innermost stable circular orbit for R0 < 0 in f(R)-Schwarzschild space-time.

R0 Radius Radius innermost
event horizon stable circular orbit

 −10-3 xeh = 1.999 xisco = 5.86
 −10-2 xeh = 1.993 xisco = 5.26
 −10-1 xeh = 1.939 xisco = 4.35
 −1.5 xeh = 1.541 xisco = 3.83

Notes. Here x ≡ r/rg.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.