NS Open Strings with B Fields and Their Interactions with NS Closed Strings
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概要
- 論文の詳細を見る
We consider interactions of an NS open string with the first important states of an NS closed string, i.e., a closed-string tachyon and a graviton, where both ends of the NS open string are attached to a D-brane, and a constant background B field lies along directions parallel to the D-brane world volume. Contrary to our expectations, we find that there are no constraints on these vertex operators resulting from the B field. However, we point out that these vertex operators have singularities at both ends of the NS open string when the external momenta take certain values. These kinds of singularities essentially result from the Dirichlet boundary conditions along directions transverse to the D-brane world volume.
- 理論物理学刊行会の論文
- 2002-06-25
著者
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KOKADO Akira
Kobe International University
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SAITO Takesi
Department of Physics, Kwansei Gakuin University
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KONISI Gaku
Department of Physics, Kwansei Gakuin University
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Konisi Gaku
Department Of Physics Kwansei Gakuin University
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Konisi G
Department Of Physics Kwansei Gakuin University
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Saito T
Hiroshima Univ. Higashi‐hiroshima Jpn
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Saito Takesi
Department Of Physics Kwansei Gakuin University
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SAITO Takesi
Department of Physics, Kyoto Preferctural University of Medicine
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SAITO Takesi
Department of Physics, Kyoto Pref.University of Medicine
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SAITO Takesi
Deparment of Physics, Kyoto Pref. University of Medicine
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