The role of a dynamical measure and dynamical tension in brane creation and growth

Details The role of a dynamical measure and dynamical tension in brane creation and growth The role of a dynamical measure and dynamical tension in brane creation and growth

2005-10-24

arxiv.org/abs/hep-th/0510200v2

Mod.Phys.Lett. A21 (2006) 2055-2065

Physics

High Energy Physics

High Energy Physics - Theory

LaTeX, 16 pages, 1 figure; Changed the (wrong) orientation of figure 1(a)

Scientific paper

10.1142/S0217732306021463

The use of a non-Riemannian measure of integration in the action of strings and branes allows the possibility of dynamical tension. In particular, lower dimensional objects living in the string/brane can induce discontinuities in the tension: the effect of pair creation on the string tension is studied. We investigate then the role that these new features can play in string and brane creation and growth. A mechanism is studied by means of which a scalar field can transfer its energy to the tension of strings and branes. An infinite dimensional symmetry group of this theory is discussed. Creation and growth of bubbles in a formulation that requires mass generation for the bulk gauge fields coupled to the branes is also discussed.

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