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High Energy Physics - Theory

arXiv:hep-th/0501028 (hep-th)
[Submitted on 6 Jan 2005 (v1), last revised 22 May 2005 (this version, v4)]

Title:Brane-Induced Gravity's Shocks

Authors:Nemanja Kaloper
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Abstract: We construct exact gravitational field solutions for a relativistic particle localized on a tensional brane in brane-induced gravity. They are a generalization of gravitational shock waves in 4D de Sitter space. We provide the metrics for both the normal branch and the self-inflating branch DGP braneworlds, and compare them to the 4D Einstein gravity solution and to the case when gravity resides only in the 5D bulk, without any brane-localized curvature terms. At short distances the wave profile looks the same as in four dimensions. The corrections appear only far from the source, where they differ from the long distance corrections in 4D de Sitter space. We also discover a new non-perturbative channel for energy emission into the bulk from the self-inflating branch, when gravity is modified at the de Sitter radius.
Comments: 4 pages, revtex4; v4: a sign error corrected; the correction tantamount to swapping normal and self-inflating branch solutions; the only significant change is that the spectacular new instability is on the self-inflating branch in the limit of vanishing brane tension; more details available in hep-th/0502035
Subjects: High Energy Physics - Theory (hep-th); Astrophysics (astro-ph); General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:hep-th/0501028
  (or arXiv:hep-th/0501028v4 for this version)
  https://doi.org/10.48550/arXiv.hep-th/0501028
Journal reference: Phys.Rev.Lett. 94 (2005) 181601; Erratum-ibid. 95 (2005) 059901
Related DOI: https://doi.org/10.1103/PhysRevLett.94.181601

Submission history

From: Nemanja Kaloper [view email]
[v1] Thu, 6 Jan 2005 20:16:01 UTC (12 KB)
[v2] Thu, 3 Feb 2005 18:44:02 UTC (12 KB)
[v3] Tue, 3 May 2005 17:44:05 UTC (12 KB)
[v4] Sun, 22 May 2005 05:13:04 UTC (12 KB)
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