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Marginal deformations of heterotic interpolating models and exponential suppression of the cosmological constant

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arxiv 2101.10619 v1 pith:3MOCUKIL submitted 2021-01-26 hep-th

H. Itoyama , Sota Nakajima This is my paper · ORCID
classification hep-th
keywords modelsconstantheteroticinterpolatingcosmologicalhep-thanalysisanalyze
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abstract

Following our previous work of 1905.10745 [hep-th], 2003.11217 [hep-th], we study heterotic interpolating models $D$ dimensionally compactified with constant background fields that include the full set of Wilson lines and radii. Focusing on the phenomenoloically viable supersymmetry restoring parameter region, we analyze the pattern of gauge symmetry enhancement and the representation of massless fermions. We obtain the set of cases with the exponentially small cosmological constant. Our analysis does not depend on non-supersymmetric endpoint models of interpolations. A part of the moduli space of interpolating models is in one-to-one correspondence with the counterpart of toroidal compactification of heterotic superstrings.

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Cited by 3 Pith papers

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  1. Non-supersymmetric branes and discrete topological terms

    hep-th 2025-07 conditional novelty 6.0 of 10

    A direct computation from the tentative NS5-brane spectrum gives the opposite Z3 topological term (1/3 vs 2/3) from Tachikawa-Zhang, so the spectrum or the inflow interpretation must change.

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    hep-th 2025-05 conditional novelty 6.0 of 10

    The E8 non-supersymmetric heterotic string on T^2 has exactly 22 maximal gauge enhancements, found by two independent methods, with massless spectra listed for each.

  3. Anomaly Inflow and Gauge Group Topology in the 10d Sugimoto String Theory

    hep-th 2024-12 conditional novelty 6.0 of 10

    Anomaly inflow on Sugimoto model branes supports the conclusion that the 10d gauge group is Sp(16)/Z2, and the same inflow matching rules out most alternative chiral spectra.

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