Cosmology on a brane-induced gravity with a dilaton and trace anomaly

T. Torii; S. Mizuno; Keiichi Maeda

doi:10.1142/9789812704030_0184

Cosmology on a brane-induced gravity with a dilaton and trace anomaly

T. Torii, S. Mizuno, Keiichi Maeda

Research output: Chapter in Book/Report/Conference proceeding › Chapter

Abstract

We present the effective equations to describe the four-dimensional gravity of a brane world, assuming that a five-dimensional bulk spacetime satisfies the Einstein equations and gravity is confined on the Z₂ symmetric brane. Applying this formalism, we study the induced-gravity brane model first proposed by Dvali, Gabadadze and Porrati. In a generalization of their model, we show that an effective cosmological constant on the brane can be extremely reduced in contrast to the case of the Randall-Sundrum model even if a bulk cosmological constant and a brane tension are not fine-tuned. The detailed analysis can be seen in Refs. [1] and [3].

Original language	English
Title of host publication	The Tenth Marcel Grossmann Meeting: On Recent Developments in Theoretical and Experimental General Relativity, Gravitation and Relativistic Field Theories
Publisher	World Scientific Publishing Co.
Pages	1713-1714
Number of pages	2
Volume	3
ISBN (Electronic)	9789812704030
ISBN (Print)	9789812566676
DOIs	https://doi.org/10.1142/9789812704030_0184
Publication status	Published - 2006 Jan 1

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1142/9789812704030_0184

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Torii, T., Mizuno, S., & Maeda, K. (2006). Cosmology on a brane-induced gravity with a dilaton and trace anomaly. In The Tenth Marcel Grossmann Meeting: On Recent Developments in Theoretical and Experimental General Relativity, Gravitation and Relativistic Field Theories (Vol. 3, pp. 1713-1714). World Scientific Publishing Co.. https://doi.org/10.1142/9789812704030_0184

Cosmology on a brane-induced gravity with a dilaton and trace anomaly. / Torii, T.; Mizuno, S.; Maeda, Keiichi.
The Tenth Marcel Grossmann Meeting: On Recent Developments in Theoretical and Experimental General Relativity, Gravitation and Relativistic Field Theories. Vol. 3 World Scientific Publishing Co., 2006. p. 1713-1714.

Research output: Chapter in Book/Report/Conference proceeding › Chapter

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Cosmology on a brane-induced gravity with a dilaton and trace anomaly

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