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Abstract: We apply the spacetime dependent lagrangian formalism 1 to the action ingeneral relativity. We obtain a Barriola-Vilenkin type monopole solution byexploiting theelectrogravity duality of the vacuum Einstein equations and usinga modified definition of empty space. An {\it upper bound} is obtained on themonopole mass ${\tt M}$, ${\tt M}\leq e^{1-\alpha-\alpha}-1-\alpha^{2}{\ttG}$ where $\alpha = 2k $ is the global monopole charge.Keywords: global monopole, electrogravity duality, holographic principle.PACS: 11.15.-q, 11.27.+d, 14.80.Hv, 04.



Autor: Debashis Gangopadhyay, R.Bhattacharyya, L. P. Singh

Fuente: https://arxiv.org/







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