Gravitational radiations of generic isolated horizons and non-rotating dynamical horizons from asymptotic expansions - General Relativity and Quantum CosmologyReport as inadecuate




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Abstract: Instead of using a three dimensional analysis on quasi-local horizons, weadopt a four dimensional asymptotic expansion analysis to study the next ordercontributions from the nonlinearity of general relativity. From the similaritybetween null infinity and horizons, the proper reference frames are chosen fromthe compatible constant spinors for an observer to measure the energy-momentumand flux near quasi-local horizons. In particular, we focus on the similarityof Bondi-Sachs gravitational radiation for the quasi-local horizons and compareour results to Ashtekar-Kirshnan flux formular. The quasi-local energy momentumand flux of generic isolated horizons and non-rotating dynamical horizons arediscussed in this paper.



Author: Yu-Huei Wu, Chih-Hung Wang

Source: https://arxiv.org/



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