Dynamical<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>p</mml:mi></mml:math>-branes with a cosmological constant

DOI DOI Web Site Web Site 被引用文献9件 参考文献37件 オープンアクセス

書誌事項

公開日
2010-08-31
資源種別
journal article
権利情報
  • http://link.aps.org/licenses/aps-default-license
DOI
  • 10.1103/physrevd.82.046007
  • 10.48550/arxiv.1006.2306
公開者
American Physical Society (APS)

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説明

We present a class of dynamical solutions in a D-dimensional gravitational theory coupled to a dilaton, a form field strength, and a cosmological constant. We find that for any D due to the presence of a cosmological constant, the metric of solutions depends on a quadratic function of the brane world volume coordinates, and the transverse space cannot be Ricci flat except for the case of 1-branes. We then discuss the dynamics of 1-branes in a D-dimensional spacetime. For a positive cosmological constant, 1-brane solutions with D>4 approach the Milne universe in the far-brane region. On the other hand, for a negative cosmological constant, each 1-brane approaches the others as the time evolves from a positive value, but no brane collision occurs for D>4, since the spacetime close to the 1-branes eventually splits into the separate domains. In contrast, the D=3 case provides an example of colliding 1-branes. Finally, we discuss the dynamics of 0-branes and show that for D>2, they behave like the Milne universe after the infinite cosmic time has passed.

21 pages, 7 figures; v2: minor corrections

収録刊行物

  • Physical Review D

    Physical Review D 82 (4), 046007-, 2010-08-31

    American Physical Society (APS)

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