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@ARTICLE{Carta:474806,
      author       = {Carta, Federico and Mininno, Alessandro and Righi, Nicole
                      and Westphal, Alexander},
      title        = {{T}hraxions: towards full string models},
      journal      = {Journal of high energy physics},
      volume       = {01},
      number       = {1},
      issn         = {1029-8479},
      address      = {[Trieste]},
      publisher    = {SISSA},
      reportid     = {PUBDB-2022-01013, arXiv:2110.02963. IFT-UAM/CSIC-21-106.
                      ZMP-HH/21-18. DESY-21-152},
      pages        = {082},
      year         = {2022},
      note         = {v2: typos corrected, JHEP accepted; v1: 41 pages + 2
                      appendices},
      abstract     = {We elucidate various aspects of the physics of thraxions,
                      ultra-light axions arising at Klebanov-Strassler
                      multi-throats in the compactification space of IIB
                      superstring theory. We study the combined stabilization of
                      Kähler moduli and thraxions, showing that under reasonable
                      assumptions, one can solve the combined problem both in a
                      KKLT and a LVS setup. We find that for non-minimal
                      multi-throats, the thraxion mass squared is three-times
                      suppressed by the throat warp factor. However, the minimal
                      case of a double-throat can preserve the six-times
                      suppression as originally found. We also discuss the
                      backreaction of a non-vanishing thraxion vacuum expectation
                      value on the geometry, showing that it induces a breaking of
                      the imaginary self-duality condition for 3-form fluxes. This
                      in turn breaks the Calabi-Yau structure to a complex
                      manifold one. Finally, we extensively search for global
                      models which can accommodate the presence of multiple
                      thraxions within the database of Complete Intersection
                      Calabi-Yau orientifolds. We find that each multi-throat
                      system holds a single thraxion. We further point out
                      difficulties in constructing a full-fledged global model,
                      due to the generic presence of frozen-conifold singularities
                      in a Calabi-Yau orientifold. For this reason, we propose a
                      new database of CICY orientifolds that do not have frozen
                      conifolds but that admit thraxions.},
      keywords     = {orientifold: Calabi-Yau (INSPIRE) / moduli: Kaehler
                      (INSPIRE) / conifold (INSPIRE) / axion (INSPIRE) / moduli:
                      stability (INSPIRE) / throat (INSPIRE) / string model: Type
                      IIB (INSPIRE) / Klebanov-Strassler model (INSPIRE) / torsion
                      (INSPIRE) / Flux compactifications (autogen) / Superstring
                      Vacua (autogen) / Supersymmetry Breaking (autogen)},
      cin          = {T},
      ddc          = {530},
      cid          = {I:(DE-H253)T-20120731},
      pnm          = {611 - Fundamental Particles and Forces (POF4-611) /
                      STRINGFLATION - Inflation in String Theory - Connecting
                      Quantum Gravity with Observations (647995) / DFG project
                      390833306 - EXC 2121: Quantum Universe (390833306)},
      pid          = {G:(DE-HGF)POF4-611 / G:(EU-Grant)647995 /
                      G:(GEPRIS)390833306},
      experiment   = {EXP:(DE-MLZ)NOSPEC-20140101},
      typ          = {PUB:(DE-HGF)16},
      eprint       = {2110.02963},
      howpublished = {arXiv:2110.02963},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:2110.02963;\%\%$},
      UT           = {WOS:000743927100005},
      doi          = {10.1007/JHEP01(2022)082},
      url          = {https://bib-pubdb1.desy.de/record/474806},
}