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20022011
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hep-th200814 cited

On the maximal superalgebras of supersymmetric backgrounds

José Figueroa-O'Farrill, Emily Hackett-Jones, George Moutsopoulos +1

In this note we give a precise definition of the notion of a maximal superalgebra of certain types of supersymmetric supergravity backgrounds, including the Freund-Rubin background…

hep-th2008102 cited

On the Lie-algebraic origin of metric 3-algebras

Paul de Medeiros, José Figueroa-O'Farrill, Elena Méndez-Escobar +1

Since the pioneering work of Bagger-Lambert and Gustavsson, there has been a proliferation of three-dimensional superconformal Chern-Simons theories whose main ingredient is a metr…

hep-th200831 cited

From multileg loops to trees (by-passing Feynman's Tree Theorem)

German Rodrigo, Stefano Catani, Tanju Gleisberg +2

We illustrate a duality relation between one-loop integrals and single-cut phase-space integrals. The duality relation is realised by a modification of the customary +i0 prescripti…

hep-th200821 cited

Two-point functions with an invariant Planck scale and thermal effects

Ivan Agullo, Jose Navarro-Salas, Gonzalo J. Olmo +1

Nonlinear deformations of relativistic symmetries at the Planck scale are usually addressed in terms of modified dispersion relations. We explore here an alternative route by direc…

hep-th200811 cited

Acceleration radiation and the Planck scale

I. Agullo, J. Navarro-Salas, G. J. Olmo +1

A uniformly accelerating observer perceives the Minkowski vacuum state as a thermal bath of radiation. We point out that this field-theory effect can be derived, for any dimension…