Reconstructing the Equation of State of Tachyon

Details Reconstructing the Equation of State of Tachyon Reconstructing the Equation of State of Tachyon

2002-09-05

arxiv.org/abs/hep-th/0209041v1

Phys.Rev. D66 (2002) 087301

Physics

High Energy Physics

High Energy Physics - Theory

6 pages, 3 figures, to appear Phys. Rev. D

Scientific paper

10.1103/PhysRevD.66.087301

Recent progress in theoretical physics suggests that the dark energy in the universe might be resulted from the rolling tachyon field of string theory. Measurements to SNe Ia can be helpful to reconstruct the equation of state of the rolling tachyon which is a possible candidate of dark energy. We present a numerical analysis for the evolution of the equation of state of the rolling tachyon and derive the reconstruction equations for the equation of state as well as the potential.

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