378 citations
- Istituto Nazionale di Fisica Nucleare, Sezione di LecceIT50 papers
- Laboratoire de Physique ThéoriqueFR7 papers
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- Istituto Nazionale di Fisica Nucleare, Sezione di TriesteIT6 papers
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8 papers · 1 filter
Potential Scattering in Dirac Field Theory
S. De Leo, P. Rotelli
We develop the potential scattering of a spinor within the context of perturbation field theory. As an application, we reproduce, up to second order in the potential, the diffusion…
Four loop reciprocity of twist two operators in N=4 SYM
M. Beccaria, V. Forini
The four loop universal anomalous dimension of twist-2 operators in N=4 SYM has been recently conjectured. In this paper, we prove that it obeys a generalized Gribov-Lipatov recipr…
Structure of large spin expansion of anomalous dimensions at strong coupling
M. Beccaria, V. Forini, A. Tirziu +1
The anomalous dimensions of planar N=4 SYM theory operators like tr(Phi D^S Phi) expanded in large spin S have the asymptotics γ= f ln S + f_c + 1/S (f_11 ln S + f_10) + ..., where…
Sum rules for higher twist sl(2)operators in N=4 SYM
Matteo Beccaria, Francesca Catino
The spectrum of anomalous dimensions of twist sl(2) operators in N=4 SYM has an intriguing feature in low twist 2 or 3. The anomalous dimension of the lowest state, dual a folded s…
Reciprocity of gauge operators in N=4 SYM
Matteo Beccaria, Valentina Forini
A recently discovered generalized Gribov-Lipatov reciprocity holds for the anomalous dimensions of various twist operators in N=4 SYM. Here, we consider a class of scaling psu(2,2|…
Anomalous dimensions of finite size field strength operators in N=4 SYM
Matteo Beccaria, Valentina Forini
In the N=4 super Yang-Mills theory, we consider the higher order anomalous dimensions gamma_L(g) of purely gluonic operators Tr(F^L) where F is a component of the self-dual field s…