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Conservation laws in the teleparallel theory with a positive cosmological constant

M Blagojević1 and M Vasilić2

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We study the conservation laws in the teleparallel theory with a positive cosmological constant, an extension of the teleparallel theory possessing solutions with de Sitter asymptotics. Demanding that the canonical generators of the asymptotic symmetry are well defined, we obtain their improved form which defines the conserved charges of the theory. The physical interpretation of the results is discussed.


PACS

04.20.Fy Canonical formalism, Lagrangians, and variational principles

98.80.Es Observational cosmology (including Hubble constant, distance scale, cosmological constant, early Universe, etc)

11.30.Fs Global symmetries (e.g., baryon number, lepton number)

MSC

83F05 Cosmology

83C40 Gravitational energy and conservation laws; groups of motions

Subjects

Gravitation and cosmology

Particle physics and field theory

Astrophysics and astroparticles

Dates

Issue 14 (21 July 2002)

Received 9 April 2002

Published 25 June 2002



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