M-theory, Graviton, Kaluza-Klein theory, Tachyon, T-duality, String field theory, Bumblebee models, Superstring theory, K-theory, D-brane, Fuzzball, Topological... » 

M-theory, Graviton, Kaluza-Klein theory, Tachyon, T-duality, String field theory, Bumblebee models, Superstring theory, K-theory, D-brane, Fuzzball, Topological string theory, Calabi-Yau manifold, Ramond-Ramond field «