More on d=5 Maxwell-Einstein supergravity: Symmetric spaces and kinks

The authors show that in addition to the d=5, N=2 Maxwell-Einstein supergravity theories (MESGT) associated with Jordan algebras there is one other class with a symmetric target space which yields the non-compact CPⁿ models of Luciani (1978), upon dimensional reduction to four dimensions. It follows that all d=4 symmetric space MESGT have their origin in d=5. They also begin an investigation into 'kinky supergravities', i.e. those for which the target manifold interpolates between two symmetric spaces. They point out that d=5, N=2 MESGT are related to d=11 supergravity by compactification on Calabi-Yau spaces.