Closed-String Tachyon Condensation and the On-Shell Effective Action of Open-String Tachyons

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概要

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• We study how the effect of closed-string tachyon condensation can enter into the on-shell effective action of open-string tachyons in the bosonic case. We also consider open-string one-loop quantum corrections to the on-shell action. We use a sigma-model approach with boundary terms, and we utilize some results of boundary string field theory(BSFT)to define the on-shell effective action. We regard D-instanton-like objects with appropriate weight as closed-string tachyon tadpoles, and we insert them into worldsheets to analyze the effect of closed-string tachyons.

• 理論物理学刊行会の論文
• 2001-11-25

著者

• NAKAMURA Shin

  The Niels Bohr Institute

• Nakamura Shin

  Department Of Science And Engineering Teikyo University

• Nakamura Shin

  Yukawa Institute For Theoretical Physics Kyoto University

• Nakamura Shin

  Department of Science and Engineering, Teikyo University

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