Friday, 30 November 2018

general relativity - What are the units of the quantities in the Einstein field equation?


The Einstein field equations (EFE) may be written in the form:



Rμν12gμνR+gμνΛ=8πGc4Tμν

where the units of the gravitational constant G are Nm2kg2 and the units of the speed of light are ms.


What are the units of the Ricci curvature tensor Rμν, the scalar curvature R, the metric tensor gμν, the cosmological constant Λ and the stress-energy tensor Tμν?




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