Topological Euclidean gravity is built in eight dimensions for manifolds with Spin(7) subset of SO(8) holonomy. In a previous work, we considered the construction of an eight-dimensional topological theory describing the graviton and one graviphoton. Here we solve the question of determining a topological model for the combined system of a metric and a Kalb-Ramond two-form gauge field. We then recover the complete N = 1, D = 8 supergravity theory in a twisted form. We observe that the generalized self-duality conditions of our model correspond to the octonionic string equations.
|Titolo:||Supergravity and the knitting of the Kalb-Ramond two-form in eight-dimensional topological gravity|
|Autori:||L. BAULIEU; M. BELLON; TANZINI A|
|Rivista:||PHYSICS LETTERS. SECTION B|
|Data di pubblicazione:||2003|
|Digital Object Identifier (DOI):||10.1016/S0370-2693(03)00759-7|
|Appare nelle tipologie:||1.1 Journal article|