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9-26-2002

Caustics in Tachyon Matter and Other Born-Infeld Scalars

Gary Felder University of Toronto, [email protected]

Lev Kofman University of Toronto

Alexei Starobinsky Landau Institute for Theoretical Physics

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Recommended Citation Felder, Gary; Kofman, Lev; and Starobinsky, Alexei, "Caustics in Tachyon Matter and Other Born-Infeld Scalars" (2002). Physics: Faculty Publications, Smith College, Northampton, MA. https://scholarworks.smith.edu/phy_facpubs/60

This Article has been accepted for inclusion in Physics: Faculty Publications by an authorized administrator of Smith ScholarWorks. For more information, please contact [email protected] Journal of High Energy Physics

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(2002) , B om fields e ; , Phys. fr gy: (2002) 07 actions , (2002) field ett. matter 458 e ]. action gy ]. alar L 5 66 ener B sc and matter elevanc 537 ; tachyons r D Phys. 126003 of ondensation ]; string B c ett. ]. al osmolo Phys. dark gy L c tachyon ev. , with en gic R ett. of quintessenc op L and (2000) Ener T-duality hep-th/0204070 tachyonic to in Phys. world , tachyon matter ac-Born-Infeld , 62 osmolo Phys. by actions c simulations hep-th/0203211 , Phys. High on [ oblems D ane Dir astro-ph/011132 anda, matter , e [ fluid? pr br hep-th/0204140 J. P the , ev. , 048 ctive otential hep-th/0003221 17 ]. [ . and in driven p S. hep-th/0009148 tachyon R [ lattic dark esults On and -inflation alternative r tachyon ]; effe k on tachyon of n 009 and for cts anes 045 v, A tachyon e (2002) ling ory tachyon (2002) Phys. inflation a anda, exact , ling ol am tachyon tachyon osp universe P r aints the D-br 04 ation ol – ]; gr r ling Eyras (2000) 535 om o Pr S. (2000) , ol fr the ]; the ling pr 19 r asquier, E. B Some ]; action onstr 05 . exact the Mukhano ol c P a of Unific . 10 – tachyon Phys. string by . and R hep-th/0204204 hep-th/0204143 [ of the V. al , ett. On V. ane ore, to gy ar hep-th/0009103 Wit, non-BPS L [ asy: gic with Phys. e om 231 ]; Mo Phys. and e de Inflation on ach fr vili, and ansion D-br driven Jatk Ener gy o 034 Viollier, Starobinsky matter . gy Phys. gy exp attic asserman, evolution , hep-th/0011033 T.C. L [ G.W. d oblems appr hella (2002) Ener D.P . Cosmolo ytgat, High W Ener al R.D. hep-th/0204150 A.A. ]. o, gas [ T Pr Shatash ate hep-th/0003122 Damour (2000) I. hep-th/0203265 ]; ouplings [ J. del inflation gic and c hep-th/0207119 osmolo hev, non-BPS , Ro , hep-ph/0011159 544 tachyon 2854 Mosc c High , T. and and eler , 10 mo ac ]. ]. High c S.L. and 284 of B de c for U. J. er ory gr-qc/0103004 e Tk Linde, J. on, A [ , ane Ghoshal, 021301 y M.H.G. ]. ]; , matter asserman, M. 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