Abstract
We continue the study of supersymmetric domain wall solutions in six-dimensional maximal gauged supergravity. We first give a classification of viable gauge groups with the embedding tensor in $\mathbf{5}^{+7}$, $\bar{\mathbf{5}}^{+3}$, $\mathbf{10}^{-1}$, $\mathbf{24}^{-5}$, and $\overline{\mathbf{45}}^{+3}$ representations of the off-shell symmetry $GL(5)\subset SO(5,5)$. We determine an explicit form of the embedding tensor for gauge groups arising from each representation together with some examples of possible combinations among them. All of the resulting gauge groups are of a non-semisimple type with abelian factors and translational groups of different dimensions. We find $\frac{1}{2}$- and $\frac{1}{4}$-supersymmetric domain walls with $SO(2)$ symmetry in $SO(2)\ltimes \mathbb{R}^8$ and $SO(2)\ltimes \mathbb{R}^6$ gauge groups from the embedding tensor in $\mathbf{24}^{-5}$ representation and in $CSO(2,0,2)\ltimes \mathbb{R}^4$, $CSO(2,0,2)\ltimes \mathbb{R}^2$, and $CSO(2,0,1)\ltimes \mathbb{R}^4$ gauge groups with the embedding tensor in $\overline{\mathbf{45}}^{+3}$ representations. These gauge groups are parametrized by a traceless matrix and electrically and magnetically embedded in $SO(5,5)$ global symmetry, respectively.
Highlights
Domain wall solutions in gauged supergravities play an important role in high-energy physics
Since the latter is well-known to describe dynamics of strongly coupled theory on M5-branes, we expect that supersymmetric domain walls of the maximal gauged supergravity in six dimensions could be useful in studying various aspects of the maximal supersymmetric Yang-Mills theory (SYM) in five dimensions as well as sixdimensional superconformal field theory (SCFT) and physics of M5-branes at strong coupling
We have classified a number of gauge groups in six-dimensional maximal gauged supergravity with the embedding tensor in 5þ7, 5 ̄þ3, 10−1, 24−5, and 45þ3 representations of GLð5Þ ⊂ SOð5; 5Þ
Summary
Domain wall solutions in gauged supergravities play an important role in high-energy physics. According to the DW/QFT correspondence, these solutions are dual to maximally supersymmetric Yang-Mills theory (SYM) in five dimensions which recently plays an important role in studying dynamics of (conformal) field theories in higher and lower dimensions via a number of dualities, see for example [40,41,42,43,44,45]. The five-dimensional SYM could be used to define N 1⁄4 ð2; 0Þ superconformal field theory (SCFT) in six dimensions compactified on S1 Since the latter is well-known to describe dynamics of strongly coupled theory on M5-branes, we expect that supersymmetric domain walls of the maximal gauged supergravity in six dimensions could be useful in studying various aspects of the maximal SYM in five dimensions as well as sixdimensional SCFT and physics of M5-branes at strong coupling. Since N 1⁄4 4 superconformal symmetry in five dimensions does not exist [46], see a recent classification of maximally supersymmetric AdS vacua given in
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