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52 papers · 1 filter
D-branes in a plane-wave background
Matthias R Gaberdiel, Michael B Green
The D-branes of the maximally supersymmetric plane-wave background are described.
Four-point functions in N=4 SYM
P. J. Heslop, P. S. Howe
A new derivation is given of four-point functions of charge chiral primary multiplets in N=4 supersymmetric Yang-Mills theory. A compact formula, valid for arbitrary , is gi…
Solvable model of strings in a time-dependent plane-wave background
G. Papadopoulos, J. G. Russo, A. A. Tseytlin
We investigate a string model defined by a special plane-wave metric ds^2 = 2dudv - l(u) x^2 du^2 + dx^2 with l(u) = k/u^2 and k=const > 0. This metric is a Penrose limit of some c…
Supersymmetry counterterms revisited
P. S. Howe, K. S. Stelle
Superspace power-counting rules give estimates for the loop order at which divergences can first appear in non-renormalisable supersymmetric field theories. In some cases these est…
Sequent and Hypersequent Calculi for Abelian and Lukasiewicz Logics
G. Metcalfe, N. Olivetti, D. Gabbay
We present two embeddings of infinite-valued Lukasiewicz logic L into Meyer and Slaney's abelian logic A, the logic of lattice-ordered abelian groups. We give new analytic proof sy…
Maximally supersymmetric solutions of ten- and eleven-dimensional supergravities
José Figueroa-O'Farrill, George Papadopoulos
We classify (up to local isometry) the maximally supersymmetric solutions of the eleven- and ten-dimensional supergravity theories. We find that the AdS solutions, the Hpp-waves an…