2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/145722We present a new class of solution to the ten-dimensional type 0 effective action. Given a generic potential of tachyon field, there exist phases where tachyon is either frozen at local extremals or free to propagate along flat directions. In the latter phase, a cosmology model is proposed where the tachyon plays the role of time.10 pages, 2 figures, discussion and reference addedHigh Energy Physics - Theorytext