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<p>In this work, we explore the feasibility of realizing the Dark Dimension Scenario through T-fold compactifications on <i>T</i><sup>5</sup> × <i>S</i><sup>1</sup>, where the base of the internal space <i>S</i><sup>1</sup> naturally acts as the requisite mesoscopic extra dimension. Utilizing Scherk-Schwarz reduction from 5D to 4D, and applying duality twists from both elliptic and parabolic conjugacy classes of subgroups of the T-duality group associated with <i>T</i><sup>5</sup>, we stabilize the volume of <i>T</i><sup>5</sup> and several other moduli. This approach generates a potential characterized by two runaway directions, one aligned with the Scherk-Schwarz radion. Further stabilization efforts yield a decreasing potential trajectory demanded by the Dark Dimension Scenario.</p>

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Towards a string realization of the Dark Dimension via T-folds

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年8月13日

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  • Guo-En Nian,
  • Stefan Vandoren

摘要

In this work, we explore the feasibility of realizing the Dark Dimension Scenario through T-fold compactifications on T5 × S1, where the base of the internal space S1 naturally acts as the requisite mesoscopic extra dimension. Utilizing Scherk-Schwarz reduction from 5D to 4D, and applying duality twists from both elliptic and parabolic conjugacy classes of subgroups of the T-duality group associated with T5, we stabilize the volume of T5 and several other moduli. This approach generates a potential characterized by two runaway directions, one aligned with the Scherk-Schwarz radion. Further stabilization efforts yield a decreasing potential trajectory demanded by the Dark Dimension Scenario.