The paper studies the F(4) gauged supergravity in six dimensions coupled to four vector multiplets with a non-semisimple ISO(3)×U(1) gauge group. This gauged supergravity arises from a consistent truncation of type IIB string theory on S2×Σ, where Σ is a Riemann surface.
The author first identifies the critical points of the scalar potential, which include a supersymmetric AdS6 vacuum, a non-supersymmetric AdS6 vacuum, and a dS6 vacuum. The scalar masses are computed, and it is found that only the supersymmetric AdS6 vacuum is stable.
The author then studies holographic RG flow solutions from the supersymmetric AdS6 critical point. By truncating to SO(3)×U(1) and SO(2)×U(1) invariant sectors, the author finds various RG flow solutions that describe the dual five-dimensional N=2 SCFT flowing to different non-conformal phases. The RG flows are driven by both relevant and irrelevant operators.
Additionally, the author derives supersymmetric Janus solutions that describe conformal interfaces within the five-dimensional SCFT. These Janus solutions interpolate between the AdS6 vacua at the two limits.
The results provide the first holographic studies of matter-coupled F(4) gauged supergravity with a non-semisimple gauge group, in contrast to the previous works that focused on compact gauge groups.
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by Parinya Karn... at arxiv.org 10-01-2024
https://arxiv.org/pdf/2409.20151.pdfDeeper Inquiries