A Model of Asymmetric Orbifold with D-Branes(Particles and Fields)

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概要

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• We consider an orientifold model of IIB string compactified on a six-dimensional torus on the basis of an asymmetric orbifold. A careful study of the T-duality group shows that there exists a discrete Z_3 × Z_3 symmetry that acts on the string worldsheet asymmetrically by choosing an appropriate configuration of T^6. This torus is nonfactorizable and has a metric proportional to the Cartan matrix of the E_6 group. The open string sector is constructed from D9-branes with some magnetic fluxes turned on along T^6 in such a way that the D-brane system is consistent with Z_3 × Z_3. By solving the RR-tadpole condition, we obtain a consistent string model with a gauge group SO(4).

• 2012-05-25

著者

• Sakai Tadakatsu

  Department Of Mathematical Sciences Faculty Of Sciences Ibaraki University

• Sakai Tadakatsu

  Department of Physics, Nagoya University:Kobayashi-Maskawa Institute for the Origin of Particles and the Universe (KMI), Nagoya University

• ITO Motoharu

  Department of Physics, Nagoya University

• SAKAI Tadakatsu

  Department of Physics, Faculty of Sciences, Ibaraki University

• SAKAI Tadakatsu

  Department of Physics, Ibaraki University

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