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The L∞ structure of gauge theories with matter

Acceso Abierto

Abstract:

In this work we present an algebraic approach to the dynamics and perturbation theory at tree-level for gauge theories coupled to matter. The field theories we will consider are: Chern-Simons-Matter, Quantum Chromodynamics, and scalar Quantum Chromodynamics. Starting with the construction of the master action in the classical Batalin-Vilkovisky formalism, we will extract the $L_{\infty}$-algebra that allow us to recursively calculate the perturbiner expansion from its minimal model. The Maurer-Cartan action obtained in this procedure will then motivate a generating function for all the tree-level scattering amplitudes. There are two interesting outcomes of this construction: a generator for fully-flavoured amplitudes via a localisation on Dyck words; and closed expressions for fermion and scalar lines attached to $n$-gluons with arbitrary polarisations.

Tópico:

Black Holes and Theoretical Physics

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Citations: 5
5

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Información de la Fuente:

SCImago Journal & Country Rank
FuenteJournal of High Energy Physics
Cuartil año de publicaciónNo disponible
Volumen2021
Issue2
Páginas1 - 56
pISSNNo disponible
ISSNNo disponible

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