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Conserved gravitational charges from Yano tensors

David Kastor1 and Jennie Traschen1

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The defining properties of Yano tensors naturally generalize those of Killing vectors to anti-symmetric tensor fields of arbitrary rank. We show how the Yano tensors of flat spacetime can be used to construct new, conserved gravitational charges for transverse asymptotically flat spacetimes. The relationship of these new charges to Yano tensors parallels that of ordinary ADM conserved charges to Killing vectors. Hence, we call them Y-ADM charges. A rank n Y-ADM charge is given by an integral over a co-dimension n slice of spatial infinity. In particular, a rank (p+1) Y-ADM charge in a p-brane spacetime is given by an integral over only the sphere SD−(p+2) surrounding the brane and may be regarded as an intensive property of the brane.


Keywords

Black Holes

Classical Theories of Gravity

p-branes

 

E-print Number: hep-th/0406052

Cited: by |

Refers: to

PACS

04.70.Bw Classical black holes

04.50.-h Higher-dimensional gravity and other theories of gravity

04.20.-q Classical general relativity

11.25.Wx String and brane phenomenology

Subjects

Gravitation and cosmology

Particle physics and field theory

Dates

Issue 08 (August 2004)

Received 9 June 2004, accepted for publication 23 August 2004

Published 14 September 2004



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