Bosonic Open Strings in a Tachyonic Background Field
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We study a bosonic open string coupled to a tachyonic background field $T[X]$ and find that the tachyon field can effectively be replaced by a configuration of D-branes placed at either the zeros or the critical points of $T[X]$, depending on our choice of boundary conditions. This dual picture of the open string tachyon is explored in detail for the explicit case when the tachyonic field is quadratic.
13 pages. Talk presented at the Nordic Network On String Theory held at the Niels Bohr Institute, Copenhagen in May 2000
13 pages. Talk presented at the Nordic Network On String Theory held at the Niels Bohr Institute, Copenhagen in May 2000