The observed evidence of both invalidating black hole model at the Galactic Center and magnetic monopole existence

Qiuhe Peng

Nanjing University, P.R. China

Some key observations have been reported recent years. 1) An abnormally strong radial magnetic field near the GC is discovered in 2013 (Eatough et al. 2013). 2) Some radiation from the radio to the sub-mm wavelength band have been detected in the region (10-50) R_g of the GC, and a surprisingly weak X-ray emitted from the GC discovered by the Chandra and it is inferred as radiated from region ≤10R_g due to the hour long timescale for some detected weak X-ray flare and small NIR flare. For the thermal radiation, the power peaking is around 〖10〗¹² Hz in the sub mm band. (Falcke and Marko 2013). Firstly, we demonstrate that the radiations observed from the region neighbor of the Galactic Center (GC) are hardly emitted by the gas of accretion disk which is prevented from approaching to the GC by the abnormally strong radial magnetic field. These radiations can't be produced by the black hole at the Center. The first conclusion in the paper is the black hole model at the GC is unphysical. But, What is the origin of these radiation? However, the dilemma of the black hole model at the GC be naturally solved in our model of supermassive object with magnetic monopoles (SMOMM, Peng and Chou 2001). The observed power peaking of the thermal radiation is basically the same with the theoretical prediction of our paper(Peng and Chou 2001).Secondly, we demonstrate that the abnormally strong radial magnetic field near the GC discovered in 2013 (Eatough et al. 2013) is hardly produced by the a-turbulence dynamo mechanism which is the known most effective dynamo mechanism up to now. However, the discovery that very strong radial magnetic field in the neighbor of the GC has been found is just consistent with a prediction in our paper published on the ApJL in 2001 (Peng and Chou 2001). Thus, we believe that the discovery of abnormally strong radial magnetic field near the GC is probably just the astronomical observational evidence for magnetic monopole existence which is predicted by the grand unified theory of particle physics. The Conclusions of the paper are: It could be an astronomical observational evidence of the existence of magnetic monopoles which it predicated in particle physics. 2) The black hole model of the GC is invalid. 3) The radiations emitted from the region near the GC may be naturally explained by our model. and then our model containing magnetic monopoles could be a reasonable one.

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