4.3 Article

Integrable models and supersymmetry breaking

Journal

NUCLEAR PHYSICS B
Volume 965, Issue -, Pages -

Publisher

ELSEVIER
DOI: 10.1016/j.nuclphysb.2021.115363

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Funding

  1. SCOAP3

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The passage delves into integrable dynamical systems derived from scalar-gravity Lagrangians containing dilaton tadpole potentials of broken supersymmetry, particularly within static compactifications. It highlights the issue of unbounded string coupling and space-time curvature in certain regions of internal space, while noting that string coupling remains bounded in specific solutions of these integrable models. Suggestions for corrected potential shapes under absence or non-linear realization of supersymmetry are provided, with acknowledgment of persistent large scalar curvatures in all examples and the potential mitigation through higher-derivative corrections of String Theory.
We elaborate on integrable dynamical systems from scalar-gravity Lagrangians that include the leading dilaton tadpole potentials of broken supersymmetry. In the static Dudas-Mourad compactifications from ten to nine dimensions, which rest on these leading potentials, the string coupling and the space-time curvature become unbounded in some regions of the internal space. On the other hand, the string coupling remains bounded in several corresponding solutions of these integrable models. One can thus identify corrected potential shapes that could grant these features generically when supersymmetry is absent or non-linearly realized. On the other hand, large scalar curvatures remain present in all our examples. However, as in other contexts, the combined effects of the higher-derivative corrections of String Theory could tame them. (C) 2021 The Author(s). Published by Elsevier B.V.

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