Phys. Rev. Lett. 83, 4690–4693 (1999)

An Alternative to Compactification

Abstract

References

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Lisa Randall^*
Joseph Henry Laboratories, Princeton University, Princeton, New Jersey 08543
and Center for Theoretical Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139

Raman Sundrum^†
Department of Physics, Boston University, Boston, Massachusetts 02215

Received 15 July 1999; published in the issue dated 6 December 1999

See accompanying Physics Focus

Conventional wisdom states that Newton's force law implies only four noncompact dimensions. We demonstrate that this is not necessarily true in the presence of a nonfactorizable background geometry. The specific example we study is a single 3-brane embedded in five dimensions. We show that even without a gap in the Kaluza-Klein spectrum, four-dimensional Newtonian and general relativistic gravity is reproduced to more than adequate precision.

URL:

http://link.aps.org/doi/10.1103/PhysRevLett.83.4690

DOI:

10.1103/PhysRevLett.83.4690

PACS:

11.10.Kk, 04.50.+h

^*Electronic address: randall@baxter.mit.edu

^†Electronic address: sundrum@budoe.bu.edu

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Phys. Rev. Lett. 83, 4690–4693 (1999)

An Alternative to Compactification