2019
DOI: 10.1007/jhep08(2019)086
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Swampland distance conjecture for one-parameter Calabi-Yau threefolds

Abstract: We investigate the swampland distance conjecture (SDC) in the complex moduli space of type II compactifications on one-parameter Calabi-Yau threefolds. This class of manifolds contains hundreds of examples and, in particular, a subset of 14 geometries with hypergeometric differential Picard-Fuchs operators. Of the four principal types of singularities that can occur -specified by their limiting mixed Hodge structure -only the K-points and the large radius points (or more generally the M -points) are at infinit… Show more

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Cited by 88 publications
(114 citation statements)
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“…Indeed, known N=2 moduli spaces span a vast spectrum, not least due to each Calabi‐Yau manifold supporting such a moduli space. Nonetheless, we will see that the structures of the distance conjectures can still be shown to arise within such moduli spaces . In particular, in [] a formalism was developed which allows to study infinite distances in N=2 moduli spaces with complete generality.…”
Section: Swampland Tests In String Theorymentioning
confidence: 99%
“…Indeed, known N=2 moduli spaces span a vast spectrum, not least due to each Calabi‐Yau manifold supporting such a moduli space. Nonetheless, we will see that the structures of the distance conjectures can still be shown to arise within such moduli spaces . In particular, in [] a formalism was developed which allows to study infinite distances in N=2 moduli spaces with complete generality.…”
Section: Swampland Tests In String Theorymentioning
confidence: 99%
“…The latter case has been studied for instance in [22,33], where models of this type were named pseudohybrids. K-points are at infinite distance in the moduli space, and it has been argued in [15] that an infinite number of D-branes becomes massless, as expected by the SDC. K-points typically correspond to hybrid phases, which are described in terms of Landau-Ginzburg orbifolds fibered over some base manifold.…”
Section: Models With Dimm K =mentioning
confidence: 91%
“…See for instance [34,35] for partial list and [36] for a full classification. The complete list has also recently been given in [15]. Three models within this class have C-type pseudo-hybrid phases, see table 2.…”
Section: Models With Dimm K =mentioning
confidence: 99%
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“…In a similar vein, we shall show that the TCC can be derived starting from a wellexplored aspect of quantum gravity -the SDC -assuming some scaling for the cut-off according to the species bound [59][60][61][62]. Since the SDC has been tested extensively in concrete examples coming from string theory (e.g., [47,48,[63][64][65][66][67]), our derivation makes the TCC much more robust, and consequently, its implications for cosmology more unavoidable. As an aside, it shall also demonstrate how the logarithmic corrections [1,68] naturally arise in the dS conjecture, starting from the SDC and using the species bound if one does not require that the field excursion |∆ϕ| → ∞.…”
Section: Introductionmentioning
confidence: 99%