Tachyon condensation and open string field theory |
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Authors: | Taejin Lee |
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Institution: | Department of Physics, Kangwon National University, Chuncheon 200-701, South Korea |
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Abstract: | We perform canonical quantization of open string on a unstable D-brane in the background of tachyon condensation. Evaluating the Polyakov path-integral on a strip, we obtain a field theoretical propagator in the open string theory. As condensation occurs the string field theory is continuously deformed. At the infrared fixed point of condensation, the open string field on the unstable D-brane transmutes to that on the lower-dimensional D-brane with the correct D-brane tension. |
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