Fermion representation of the rolling tachyon boundary conformal field theory

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Published 31 May 2005 • Published under licence by IOP Publishing Ltd
, , Citation Taejin Lee and Gordon W. Semenoff JHEP05(2005)072 DOI 10.1088/1126-6708/2005/05/072

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Author affiliations

1 Department of Physics, Kangwon National University, Chuncheon 200-701, Korea

2 Asia Pacific Center for Theoretical Physics, Pohang 790-784, Korea

3 Department of Physics and Astronomy University of British Columbia, 6224, Agricultural Road Vancouver, B.C. V6T 1Z1 Canada

Dates

  1. Received 1 March 2005
  2. Accepted 18 April 2005
  3. Published

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1126-6708/2005/05/072

Abstract

A free fermion representation of the rolling tachyon boundary conformal field theory is constructed. The representation is used to obtain an explicit, compact, exact expression for the boundary state. We use the boundary state to compute the disc and cylinder amplitudes for the half-S-brane.

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10.1088/1126-6708/2005/05/072