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24 papers · 2 filters
Brane Dualities in Non-relativistic Limit
Kiyoshi Kamimura, Toni Ramirez
We analyze brane dualities in the non-relativistic limit of the worldvolume actions. In particular we have analyzed how the non-relativistic M2-brane is related via these dualities…
New results for AdS/CFT and beyond
M. Bertolini, F. Bigazzi, A. L. Cotrone
We report on some recent results within the string/gauge theory correspondence, both in the conformal and in the non conformal cases, for a recently found class of N=1 dual pairs.…
Non-perturbative materialization of ghosts
Roberto Emparan, Jaume Garriga
In theories with a hidden ghost sector that couples to visible matter through gravity only, empty space can decay into ghosts and ordinary matter by graviton exchange. Perturbative…
Fluctuations around classical solutions for gauge theories in Lagrangian and Hamiltonian approach
Olivera Miskovic, Josep M. Pons
We analyze the dynamics of gauge theories and constrained systems in general under small perturbations around a classical solution (background) in both Lagrangian and Hamiltonian f…
String splitting and strong coupling meson decay
A. L. Cotrone, L. Martucci, W. Troost
We study the decay of high spin mesons using the gauge/string theory correspondence. The rate of the process is calculated by studying the splitting of a macroscopic string interse…
Brane-bulk energy exchange : a model with the present universe as a global attractor
G. Kofinas, G. Panotopoulos, T. N. Tomaras
The role of brane-bulk energy exchange and of an induced gravity term on a single braneworld of negative tension and vanishing effective cosmological constant is studied. It is sho…