# adiabatic equation

24 Jul 2019can you derive the adiabatic relation in cosmology directly from covariant energy momentum conservation, \(\nabla_\mu T^{\mu\nu}=0\) using the FLRW metric?

can you derive the adiabatic relation in cosmology directly from covariant energy momentum conservation, \(\nabla_\mu T^{\mu\nu}=0\) using the FLRW metric?