Boundary States of D-Branes in AdS_3 Based on Discrete Series

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概要

• 論文の詳細を見る

• We study D-branes in the Lorentzian AdS_3 background from the viewpoint of boundary states, emphasizing the role of open-closed duality in string theory. Employing the world sheet with Lorentzian signature, we construct the Cardy states with the discrete series. We show that they are compatible with (1) unitarity and normalizability, and (2) the spectral flow symmetry, in the open string spectrum. We also discuss their brane interpretation. We further show that in the case of superstrings on AdS_3 × S^3 × T^4, our Cardy states yield an infinite number of physical BPS states in the open string channel, on which the spectral flows act consistently.

• 理論物理学刊行会の論文
• 2002-06-25

著者

• SUGAWARA Yuji

  Department of Cardiovascular Surgery, Graduate School of Biomedical Sciences, Hiroshima University

• Sugawara Yuji

  Department Of Physics University Of Tokyo

• Sugawara Yuji

  Department Of Cardiovascular Surgery Fukuyama Cadiovascular Hospital

• HIKIDA Yasuaki

  Department of Physics, University of Tokyo

• Hikida Yasuaki

  Department Of Physics University Of Tokyo

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