https://doi.org/10.1140/epjc/s10052-022-10515-6
Letter
A calculation-free derivation of GR
1
Walter Burke Institute for Theoretical Physics, California Institute of Technology, 91125, Pasadena, CA, USA
2
Physics Department, Brandeis University, 02454, Waltham, MA, USA
Received:
19
May
2022
Accepted:
9
June
2022
Published online:
25
June
2022
I derive GR from the standard observational requirements plus a recent proof that a linear spin 2 field can only propagate on a Ricci-flat (or constant) background, of which it is a perturbation: it is an Einstein field.
© The Author(s) 2022
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