A boundary term for the gravitational action with null boundaries

DOI10.1007/s10714-016-2093-7zbMath1386.83018arXiv1501.01053OpenAlexW3106257778MaRDI QIDQ1691077

Peng Zhang

Publication date: 12 January 2018

Published in: General Relativity and Gravitation (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1501.01053

zbMATH Keywords

variational principlegeneral relativityEinstein-Hilbert actionboundary termnull surfacesGibbons-Hawking-York term

Mathematics Subject Classification ID

Applications of differential geometry to physics (53Z05) Einstein's equations (general structure, canonical formalism, Cauchy problems) (83C05) Gravitational energy and conservation laws; groups of motions (83C40) Relativistic dynamics for problems in Hamiltonian and Lagrangian mechanics (70H40)

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