Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2010-08-11
Phys.Rev.D83:125014,2011
Physics
High Energy Physics
High Energy Physics - Theory
11pp, only minor refinements(fixed some typos, combined eps files for Latex, and further clarified the use of dimensional redu
Scientific paper
10.1103/PhysRevD.83.125014
Gravity is the weakest force in nature, and the gravitational interactions with all standard model (SM) particles can be well described by perturbative expansions of the Einstein-Hilbert action as an effective theory, all the way up to energies below the fundamental Planck scale. We use Vilkovisky-DeWitt method to derive the first gauge-invariant nonzero gravitational power-law corrections to the running of gauge couplings, which make both Abel and non-Abel gauge interactions asymptotically free. We further demonstrate that the graviton-induced universal power-law runnings always assist the three SM gauge forces to reach unification around the Planck scale, irrespective of the detail of logarithmic corrections. We also compute the power-law corrections to the SM Higgs sector and derive modified triviality bound on the Higgs boson mass.
He Hong-Jian
Wang Xu-Feng
Xianyu Zhong-Zhi
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