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The Hyperfine Einstein-Infeld-Hoffmann Potential

Rafael A. Porto, Ira Z. Rothstein

gr-qcarXiv:gr-qc/0604099

Abstract

We use recently developed effective field theory techniques to calculate the third order post-Newtonian correction to the spin-spin potential between two spinning objects. This correction represents the first contribution to the spin-spin interaction due to the non-linear nature of general relativity and will play an important role in forthcoming gravity wave experiments.

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