Partially twisted boundary conditions for scalar mesons
Dimitri Agadjanov (Bonn U., HISKP, SANGU), Ulf-G. Mei{\ss}ner (Bonn, U., HISKP, Juelich Forschungszentrum), Akaki Rusetsky (Bonn U., HISKP)
TL;DR
This paper explores the use of partially twisted boundary conditions in lattice QCD to study scalar mesons, demonstrating their applicability even with quark annihilation diagrams through effective field theory methods.
Contribution
It introduces a method for applying partial twisting in lattice studies of resonance states, including cases with quark annihilation diagrams, expanding the tools for lattice QCD simulations.
Findings
Partial twisting can be used in certain resonance state studies.
Effective field theory demonstrates the feasibility with quark annihilation diagrams.
Method extends lattice QCD capabilities for scalar meson analysis.
Abstract
The possibility of imposing partially twisted boundary conditions in the lattice study of the resonance states is investigated by using the effective field theory (EFT) methods. In particular, it is demonstrated that - in certain cases - it is possible to use partial twisting even in the presence of the quark annihilation diagrams.
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · Physics of Superconductivity and Magnetism · Cold Atom Physics and Bose-Einstein Condensates