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Phys. Rev. D 80, 022001 (2009) [4 pages]

Astrophysical constraints on unparticle-inspired models of gravity

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O. Bertolami*,†, J. Páramos*,‡, and P. Santos*,§
Departamento de Física, Instituto Superior Técnico, Avenida Rovisco Pais 1, 1049-001 Lisboa, Portugal

Received 11 May 2009; published 22 July 2009

We use stellar dynamics arguments to constrain the relevant parameters of unparticle-inspired models of gravity. We show that resulting bounds do constrain the parameters of the theory of unparticles, as far as its energy scale satisfies the condition ΛU≥1  TeV and dU is close to unity.

© 2009 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevD.80.022001
DOI:
10.1103/PhysRevD.80.022001
PACS:
04.80.Cc, 04.20.Fy, 04.25.Nx, 97.10.Cv

*Also at Instituto de Plasmas e Fusão Nuclear, Av. Rovisco Pais 1, 1049-001 Lisboa, Portugal.

orfeu@cosmos.ist.utl.pt

paramos@ist.edu

§paulo_santos@nfist.ist.utl.pt