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21 papers · 1 filter
Correlators, Probabilities and Topologies in N=4 SYM
T. Brown, R. de Mello Koch, S. Ramgoolam +1
We calculate transition probabilities for various processes involving giant gravitons and small gravitons in AdS space, using the dual N=4 SYM theory. The normalization factors for…
Improving perturbation theory with cactus diagrams
Martha Constantinou, Haralambos Panagopoulos, Apostolos Skouroupathis
We study a systematic improvement of perturbation theory for gauge fields on the lattice [hep-lat/0606001]; the improvement entails resumming, to all orders in the coupling constan…
Prolongation Loop Algebras for a Solitonic System of Equations
Maria A. Agrotis
We consider an integrable system of reduced Maxwell-Bloch equations that describes the evolution of an electromagnetic field in a two-level medium that is inhomogeneously broadened…
N and N to Delta transition form factors from Lattice QCD
C. Alexandrou
We present recent lattice QCD results on nucleon form factors and N to Delta transition form factors. We predict the parity violating asymmetry in N to Delta and check the off-diag…
Dilepton production in pp and CC collisions with HADES
HADES collaboration, I. Froehlich
Dilepton production has been measured with HADES, the "High Acceptance DiElectron Spectrometer". In pp collisions at 2.2GeV kinetic beam energy, exclusive eta production and the Da…
Jacobi decomposition of weighted Triebel-Lizorkin and Besov spaces
George Kyriazis, Pencho Petrushev, Yuan Xu
The Littlewood-Paley theory is extended to weighted spaces of distributions on with Jacobi weights $ \w(t)=(1-t)^α(1+t)^β. $ Almost exponentially localized polynomial elem…