Publication Date:
2011-08-17
Description:
Generalized Einstein equations invariant under scale transformations are presented, and several astrophysical tests studied. It is assumed that the dynamics of atoms or clocks used as measuring apparatus is given a priori. Connection with gauge fields and broken symmetries is made through the cosmological constant.
Keywords:
ASTROPHYSICS
Type:
Physical Review Letters; 39; Aug. 22
Format:
text