Quantum Corrections to Unimodular Gravity

Álvarez, Enrique; González-Martín, Sergio; Herrero-Valea, Mario; Martín, Carmelo P.

doi:10.1007/JHEP08(2015)078

Quantum Corrections to Unimodular Gravity

Enrique Álvarez
(
- Madrid, Autonoma U. and
- Madrid, IFT
)
,
Sergio González-Martín
(
- Madrid, Autonoma U. and
- Madrid, IFT
)
,
Mario Herrero-Valea
(
- Madrid, Autonoma U. and
- Madrid, IFT
)
,
Carmelo P. Martín
(
- Madrid, Autonoma U.
)

May 8, 2015

33 pages

Published in:

JHEP 08 (2015) 078

Published: Aug 17, 2015

e-Print:

1505.01995 [hep-th]

DOI:

10.1007/JHEP08(2015)078

View in:

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Abstract: (Springer)

The problem of the comological constant appears in a new light in Unimodular Gravity. In particular, the zero momentum piece of the potential (that is, the constant piece independent of the matter fields) does not automatically produce a cosmological constant proportional to it. The aim of this paper is to give some details on a calculation showing that quantum corrections do not renormalize the classical value of this observable.

Note:

34 pages

BRST Quantization
Models of Quantum Gravity
correction: quantum
cosmological constant
unimodular
gravitation

References(33)

Figures(0)

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