2014/03/31 by Gunnar Bali, Gunnar S. Bali, Clemens Bauer +1 · 1 citation
Physics and Astronomy · #Chiral perturbation theory #Gauge theory #Gluon #Gluon condensate #High-Energy Particle Collisions Research #Lattice (music) #Lattice field theory #Lattice gauge theory #Limit (mathematics) #Mathematical physics #Meson #Particle physics #Particle physics theoretical and experimental studies #Perturbation theory (quantum mechanics) #Physics #Quantum Chromodynamics and Particle Interactions #Quantum chromodynamics #Quantum electrodynamics #Quark #hep-lat #hep-ph #hep-th
paper · pdf · doi:10.1103/physrevlett.113.092001
published as Phys. Rev. Lett. 113, 092001 (2014) · 5 pages, 5 figures, v2: references added, conclusions improved, contrast of figures improved, 1 typo corrected
arxiv created 2014/08/15 · openalex publication_date 2014/08/25 · arxiv updated 2014/09/05 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
We determine the nonperturbative gluon condensate of four-dimensional SU(3) gauge theory in a model-independent way. This is achieved by carefully subtracting high-order perturbation theory results from nonperturbative lattice QCD determinations of the average plaquette. No indications of dimension-two condensates are found. The value of the gluon condensate turns out to be of a similar size as the intrinsic ambiguity inherent to its definition. We also determine the binding energy of a B meson in the heavy quark mass limit.