All Physics Faculty Publications
Document Type
Article
Journal/Book Title/Conference
Physical Review D
Volume
48
Issue
6
Publisher
American Physical Society
Publication Date
1993
First Page
R2373
Last Page
R2376
Abstract
Using a recent classification of local symmetries of the vacuum Einstein equations, it is shown that there can be no observables for the vacuum gravitational field (in a closed universe) built as spatial integrals of local functions of Cauchy data and their derivatives.
Recommended Citation
C.G. Torre, Gravitational observables and local symmetries, Physical Review D, vol. 48(6), 1993, p. R2373.
Comments
Originally published by the American Physical Society. Publisher's PDF can be accessed through Physical Review D - Particles, Fields, Gravitation, and Cosmology.