de Montigny, M.; Khanna, F.C.; Santana, A.E. - In: Physica A: Statistical Mechanics and its Applications 323 (2003) C, pp. 327-335
Using a Galilean metric approach, based on an embedding of the Euclidean space into a (4+1)-Minkowski space, we analyze a gauge invariant Lagrangian associated with a Riemannian manifold R, with metric g. With a specific choice of the gauge condition, the Euler–Lagrange equations are written...