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<p>We propose that string theory on AdS<sub>3</sub> × S<sup>3</sup> × S<sup>3</sup> × S<sup>1</sup> with <i>two</i> units of NS-NS flux through each of the two 3-spheres is exactly dual to the symmetric orbifold of 2 bosons and 8 free fermions. Here, one of the two bosons describes the compact S<sup>1</sup>, while the other one corresponds to the radial (non-compact) direction of AdS<sub>3</sub>. Unlike the analogous situation for AdS<sub>3</sub> × S<sup>3</sup> × 𝕋<sup>4</sup>, the description makes sense both in the NS-R as well as the hybrid formulation, and we explain the duality in both frameworks.</p>

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Tensionless strings on AdS3 × S3 × S3 × S1

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年5月2日

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  • Matthias R. Gaberdiel,
  • Vit Sriprachyakul

摘要

We propose that string theory on AdS3 × S3 × S3 × S1 with two units of NS-NS flux through each of the two 3-spheres is exactly dual to the symmetric orbifold of 2 bosons and 8 free fermions. Here, one of the two bosons describes the compact S1, while the other one corresponds to the radial (non-compact) direction of AdS3. Unlike the analogous situation for AdS3 × S3 × 𝕋4, the description makes sense both in the NS-R as well as the hybrid formulation, and we explain the duality in both frameworks.