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We present a new class of solution to the ten-dimensional type 0 effectiveaction. Given a generic potential of tachyon field, there exist phases wheretachyon is either frozen at local extremals or free to propagate along flatdirections. In the latter phase, a cosmology model is proposed where thetachyon plays the role of time.Comment: 10 pages, 2 figures, discussion and reference adde

HOLOGRAPHIC COSMOLOGY IN NON-SUPERSYMMETRIC GRAVITY: THE COSMIC ROLE OF TACHYON IN THE TYPE 0 STRINGS