Gauge assisted quadratic gravity: A framework for UV complete quantum gravity
Gauge assisted quadratic gravity: A framework for UV complete quantum gravity
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规范辅助二次引力:紫外完全量子引力的框架
DOI:
10.1103/physrevd.97.126005
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发表时间:
2018
影响因子:
5
通讯作者:
Menezes, Gabriel
中科院分区:
文献类型:
--
作者:
Donoghue, John F.;Menezes, Gabriel
We discuss a variation of quadratic gravity in which the gravitational interaction remains weakly coupled at all energies, but is assisted by a Yang-Mills gauge theory which becomes strong at the Planck scale. The Yang-Mills interaction is used to induce the usual Einstein-Hilbert term, which was taken to be small or absent in the original action. We study the spin-two propagator in detail, with a focus on the high mass resonance which is shifted off the real axis by the coupling to real decay channels. We calculate scattering in thepartial wave and show explicitly that unitarity is satisfied. The theory will in general have a large cosmological constant and we study possible solutions to this, including a unimodular version of the theory. Overall, the theory satisfies our present tests for being a ultraviolet completion of quantum gravity.
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影响因子:
5
作者:
R. Oehme;W. Zimmermann
通讯作者:
W. Zimmermann
DOI:
10.1016/j.nuclphysb.2017.01.024
发表时间:
2016
期刊:
Nuclear Physics
影响因子:
--
作者:
M. Raidal;H. Veermae
通讯作者:
H. Veermae
DOI:
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发表时间:
1982
期刊:
影响因子:
--
作者:
J. Bij;H. Dam;Y. Ng
通讯作者:
Y. Ng
DOI:
10.1007/bf02783624
发表时间:
1954-04
期刊:
Il Nuovo Cimento (1943-1954)
影响因子:
--
作者:
H. Lehmann
通讯作者:
H. Lehmann
DOI:
10.1007/978-3-319-94256-8_1
发表时间:
2015
期刊:
arXiv: General Relativity and Quantum Cosmology
影响因子:
--
作者:
G. Hooft
通讯作者:
G. Hooft