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We discuss a general iterative procedure for constructing time dependent solutions in open string theory describing rolling of a generic tachyon field away from its maximum. These solutions areExpand
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  • We begin by reviewing the results on the decay of unstable D-branes in type II string theory, and the open-closed string duality proposal that arises from these studies. We then apply this proposalExpand
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  • We give a non-technical review of some of the recent developments in our understanding of the tachyon in string theory. We also illustrate the conjecture that open string theory provides a completeExpand