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Equations of motion in gravity theories with nonminimal coupling: a loophole to detect torsion macroscopically?

2013/08/31 by Dirk Puetzfeld, Yuri N. Obukhov · 1 citation
Physics and Astronomy · #gr-qc #hep-th

paper · pdf · doi:10.1103/physrevd.88.064025

published as Phys. Rev. D 88 (2013) 064025 · 9 pages, RevTex format

arxiv created 2013/09/16 · arxiv updated 2014/10/22

Abstract

We derive multipolar equations of motion for gravitational theories with general nonminimal coupling in spacetimes admitting torsion. Our very general findings allow for the systematic testing of whole classes of theories by means of extended test bodies. One peculiar feature of certain subclasses of nonminimal theories turns out to be their sensitivity to post-Riemannian spacetime structures even in experiments without microstructured test matter.

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