Pramana

, Volume 62, Issue 3, pp 765–770 | Cite as

Cosmology with rolling tachyon

  • M. Sami
  • Pravabati Chingangbam
  • Tabish Qureshi
Article

Abstract

We examine the possibility of rolling tachyon to play the dual role of inflaton at early epochs and dark matter at late times. We argue that enough inflation can be generated with the rolling tachyon either by invoking the large number of branes or brane world assisted inflation. However, reheating is problematic in this model.

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Copyright information

© Indian Academy of Sciences 2004

Authors and Affiliations

  • M. Sami
    • 1
  • Pravabati Chingangbam
    • 2
  • Tabish Qureshi
    • 2
  1. 1.Inter-University Centre for Astronomy and AstrophysicsPuneIndia
  2. 2.Department of PhysicsNew DelhiIndia

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