Dynamical cobordism conjecture: solutions for end-of-the-world branes

DOI10.1007/JHEP05(2023)123arXiv2303.03423WikidataQ123137865 ScholiaQ123137865MaRDI QIDQ6163136

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Publication date: 26 June 2023

Published in: (Search for Journal in Brave)

Abstract: We analyze finite size solutions for a generalized $D$-dimensional Dudas-Mourad (DM) model featuring dynamical cobordism with neutral and charged end-of-the-world (ETW) defect branes. Confirming a dynamical version of the Cobordism Conjecture, we explicitly construct non-isotropic solutions for the latter codimension one branes and show the appearance of a lower bound $deltage2sqrt(D-1)/(D-2)$ for the critical exponent in the scaling behavior of the distance and the curvature close to the wall. This allows us to make a connection to the (sharpened) Swampland Distance Conjecture and the (Anti-) de Sitter Distance Conjecture. Moreover, BPS orientifold planes appear as special cases in our analysis and the whole picture is consistent with dimensional reduction from ten to $D$ dimensions. An analogous analysis is performed for a generalized Blumenhagen-Font (BF) model featuring neutral codimension two ETW-branes where the same lower bound for the scaling parameter $delta$ arises.

Full work available at URL: https://arxiv.org/abs/2303.03423

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