Unimodular Gravity Redux

Apr 30, 2015
4 pages
Published in:
  • Phys.Rev.D 92 (2015) 6, 061502
  • Published: Sep 22, 2015
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Abstract: (APS)
It is well known that the problem of the cosmological constant appears in a new light in unimodular gravity. In particular, the zero-momentum piece of the potential does not automatically produce a corresponding cosmological constant. Here we show that quantum corrections do not renormalize the classical value of this observable.
Note:
  • 4 pages
  • 04.60.-m
  • 03.70.+k
  • correction: quantum
  • cosmological constant
  • unimodular