“School of Particles”
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| Paper IPM / Particles / 15659 |
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| Abstract: | |
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Using the Brown-York prescription for the definition of quasilocal gravitational energy-momentum tensoron a boundary and also complete canonical structure on a null boundary which has been found recently[Classical Quantum Gravity36, 015012 (2019)], we propose a similar stress tensor on the null boundary. Thenwe exploit this stress tensor to compute the quasilocal energy and angular momentum for some well-knowngravitational solutions. We have found that in addition to reference spacetime method for regularizing totalenergy,inthecaseofnullboundarywecan add apossiblecountertermthereby avoidingembedding difficulties.
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