Oscillating universe in Hořava-Lifshitz gravity

Kei Ichi Maeda; Yosuke Misonoh; Tsutomu Kobayashi

Oscillating universe in Hořava-Lifshitz gravity

Kei Ichi Maeda, Yosuke Misonoh, Tsutomu Kobayashi

先進理工学部

研究成果: Paper › 査読

抄録

We study the dynamics of isotropic and homogeneous universes in the generalized Hořava-Lifshitz gravity, and classify all possible evolutions of vacuum spacetime. In the case without the detailed balance condition, we find a variety of phase structures of vacuum spacetimes depending on the coupling constants as well as the spatial curvature K and a cosmological constant λ. A bounce universe solution is obtained for λ>0,K = ±1 or λ = 0,K =-1, while an oscillation spacetime is found for λ≥ 0,K = 1, or λ<0,K = ±1.

本文言語	English
ページ	274-277
ページ数	4
出版ステータス	Published - 2010 12月 1
イベント	20th Workshop on General Relativity and Gravitation in Japan, JGRG 2010 - Kyoto, Japan 継続期間: 2010 9月 21 → 2010 9月 25

Other

Other	20th Workshop on General Relativity and Gravitation in Japan, JGRG 2010
国/地域	Japan
City	Kyoto
Period	10/9/21 → 10/9/25

ASJC Scopus subject areas

原子分子物理学および光学

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引用スタイル

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AB - We study the dynamics of isotropic and homogeneous universes in the generalized Hořava-Lifshitz gravity, and classify all possible evolutions of vacuum spacetime. In the case without the detailed balance condition, we find a variety of phase structures of vacuum spacetimes depending on the coupling constants as well as the spatial curvature K and a cosmological constant λ. A bounce universe solution is obtained for λ>0,K = ±1 or λ = 0,K =-1, while an oscillation spacetime is found for λ≥ 0,K = 1, or λ<0,K = ±1.

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Oscillating universe in Hořava-Lifshitz gravity

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