- #1
kent davidge
- 933
- 56
One side of the Einstein Equations with a cosmological constant is ##R_{\mu \nu} - (1/2) Rg_{\mu \nu} + \Lambda g_{\mu \nu}##.
Question is, why the cosmological constant term appears with a plus sign and without a factor of 1/2 in front of it?
I guess it may be because ##\Lambda## is (in principle) just any constant, so both the minus sign and the 1/2 factor can be absorbed into it?
Question is, why the cosmological constant term appears with a plus sign and without a factor of 1/2 in front of it?
I guess it may be because ##\Lambda## is (in principle) just any constant, so both the minus sign and the 1/2 factor can be absorbed into it?