Brane inflation in tachyonic and nontachyonic type 0B string theories

2000/09/22 by Jin Young Kim · 3 citations
Physics and Astronomy · #Black Holes and Theoretical Physics #Cosmology and Gravitation Theories #Particle physics theoretical and experimental studies #hep-th

paper · pdf · doi:10.1103/physrevd.63.045014

published as Phys.Rev. D63 (2001) 045014 · 13 pages, no figure, RevTex

arxiv created 2000/09/22 · openalex publication_date 2001/01/25 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We consider the motion of the brane universe moving in a background bulk space of tachyonic and nontachyonic type 0B string theory. The effective densities are calculated for both cases and they show different power law behavior. Brane inflation for a nontachyonic type 0B background has the same power law behavior as that for a type IIB background. The brane inflation under a tachyonic background is less divergent than one without a tachyon. The role of the tachyonic field in the brane inflation scenario is different from that of the ordinary matter field.

Citations

• Do we live inside a domain wall?
• Large Mass Hierarchy from a Small Extra Dimension
• A small cosmological constant from a large extra dimension

Cited by

• Stability and fluctuation modes of giant gravitons with NSNS B field
• Cosmological evolution of a brane universe in a type 0 string background
• Probe branes dynamics: exact solutions in general backgrounds