Classical Spinning Branes in Curved Backgrounds - General Relativity and Quantum CosmologyReport as inadecuate




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Abstract: The dynamics of a classical branelike object in a curved background isderived from the covariant stress-energy conservation of the brane matter. Theworld sheet equations and boundary conditions are obtained in the pole-dipoleapproximation, where nontrivial brane thickness gives rise to its intrinsicangular momentum. It is shown that intrinsic angular momentum couples to both,the background curvature and the brane orbital degrees of freedom. The wholeprocedure is manifestly covariant with respect to spacetime diffeomorphisms andworld sheet reparametrizations. In addition, two extra gauge symmetries arediscovered and utilized. The examples of the point particle and the string in 4spacetime dimensions are analyzed in more detail. A particular attention ispaid to the Nambu-Goto string with massive spinning particles attached to itsends.



Author: Milovan Vasilic, Marko Vojinovic

Source: https://arxiv.org/







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