Domain walls of gauged supergravity, M-branes, and algebraic curves

Details Domain walls of gauged supergravity, M-branes, and algebraic curves Domain walls of gauged supergravity, M-branes, and algebraic curves

1999-12-15

arxiv.org/abs/hep-th/9912132v3

Adv.Theor.Math.Phys.3:1657-1719,1999

Physics

High Energy Physics

High Energy Physics - Theory

46 pages, latex. v2: typos corrected and some references added. v3: minor corrections and improvements, references added, to a

Scientific paper

We provide an algebraic classification of all supersymmetric domain wall solutions of maximal gauged supergravity in four and seven dimensions, in the presence of non-trivial scalar fields in the coset SL(8,R)/SO(8) and SL(5,R)/SO(5) respectively. These solutions satisfy first-order equations, which can be obtained using the method of Bogomol'nyi. From an eleven-dimensional point of view they correspond to various continuous distributions of M2- and M5-branes. The Christoffel-Schwarz transformation and the uniformization of the associated algebraic curves are used in order to determine the Schrodinger potential for the scalar and graviton fluctuations on the corresponding backgrounds. In many cases we explicitly solve the Schrodinger problem by employing techniques of supersymmetric quantum mechanics. The analysis is parallel to the construction of domain walls of five-dimensional gauged supergravity, with scalar fields in the coset SL(6,R)/SO(6), using algebraic curves or continuous distributions of D3-branes in ten dimensions. In seven dimensions, in particular, our classification of domain walls is complete for the full scalar sector of gauged supergravity. We also discuss some general aspects of D-dimensional gravity coupled to scalar fields in the coset SL(N,R)/SO(N).

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