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Non-standard compactifications with mass gaps and Newton's law

Brandhuber, A and Sfetsos, K (1999) Non-standard compactifications with mass gaps and Newton's law JHEP, 9910.

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The four-dimensional Minkowski space-time is considered as a three-brane embedded in five dimensions, using solutions of five-dimensional supergravity. These backgrounds have a string theoretical interpretation in terms of D3-brane distributions. By studying linear fluctuations of the graviton we find a zero-mode representing the massless graviton in four-dimensional space-time. The novelty of our models is that the graviton spectrum has a genuine mass gap (independent of the position of the world-brane) above the zero-mode or it is discrete. Hence, an effective four-dimensional theory on a brane that includes the massless graviton mode is well defined. The gravitational force between point particles deviates from the Newton law by Yukawa-type corrections, which we compute explicitly. We show that the parameters of our solutions can be chosen such that these corrections lie within experimental bounds.

Item Type: Article
Divisions : Surrey research (other units)
Authors :
Brandhuber, A
Date : 17 August 1999
DOI : 10.1088/1126-6708/1999/10/013
Uncontrolled Keywords : hep-th, hep-th, gr-qc, hep-ph
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 12:27
Last Modified : 24 Jan 2020 22:17

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