Abstract
It was found that deformation of S 7 gives rise to renormalization group (RG) flow from N=8 , SO(8)-invariant UV fixed point to N=1 , G 2-invariant IR fixed point in four-dimensional gauged N=8 supergravity. Also BPS supersymmetric domain wall configuration interpolated between these two critical points. In this paper, we use the G 2-invariant RG flow equations for both scalar fields and domain wall amplitude and apply them to the nonlinear metric ansatz developed by de Wit, Nicolai and Warner some time ago. We carry out the M-theory lift of the G 2-invariant RG flow through a combinatoric use of the four-dimensional RG flow equations and eleven-dimensional Einstein–Maxwell equations. The nontrivial r (that is the coordinate transverse to the domain wall)-dependence of vacuum expectation values makes the Einstein–Maxwell equations consistent not only at the critical points but also along the supersymmetric RG flow connecting two critical points. By applying an ansatz for an eleven-dimensional three-form gauge field with varying scalars, we discover an exact solution to the eleven-dimensional Einstein–Maxwell equations corresponding to the M-theory lift of the G 2-invariant RG flow.
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