Author

F. F. Gautason

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Preprint Sep 2026

Scale-Covariant Holography

We explore a vast landscape of scale-covariant string backgrounds that arise from the backreaction of D$p$-branes. In a convenient Weyl frame the metric has an AdS factor and the dilaton has a non-trivial profile. This structure provides a notion of scale covariance that facilitates a holographic analysis and provides...

Nikolay Bobev, Pieter Bomans, F. F. Gautason · 1 citation

Preprint Oct 2026

New analytic Janus and $S^4$ solutions for $\mathcal{N}=2^*$

We construct a three-parameter family of regular analytic supergravity solutions which are dual to (a) the $\mathcal{N}=2^*$ gauge theory on the four-sphere, and (b) $\mathrm{U}(1)^2$-invariant Janus interfaces in $\mathcal{N}=4$ SYM with or without the $\mathcal{N}=2^*$ mass turned on. To this end we employ a five-dim...

F. F. Gautason · 0 citations