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dc.contributor.authorAthenodorou, A.
dc.contributor.authorBoucaud, Ph.
dc.contributor.authorSoto Borrero, Feliciano Carlos de
dc.contributor.authorRodríguez Quintero, José 
dc.contributor.authorZafeiropoulos, S.
dc.identifier.citationAthenodorou, A., Boucaud, Ph., Soto Borrero, F.C., Rodríguez Quintero, J., Zafeiropoulos, S.: "Gluon Green functions free of quantum fluctuations". Physics Letters B. Vol. 760, págs. 354–358, (2016). DOI: 10.1016/j.physletb.2016.07.007en_US
dc.identifier.issn1873-2445 (electrónico)
dc.description.abstractThis letter reports on how the Wilson flow technique can efficaciously kill the short-distance quantum fluctuations of 2- and 3-gluon Green functions, remove the ΛQCDΛQCD scale and destroy the transition from the confining non-perturbative to the asymptotically-free perturbative sector. After the Wilson flow, the behavior of the Green functions with momenta can be described in terms of the quasi-classical instanton background. The same behavior also occurs, before the Wilson flow, at low-momenta. This last result permits applications as, for instance, the detection of instanton phenomenological properties or a determination of the lattice spacing only from the gauge sector of the theory.en_US
dc.description.sponsorshipWe thank the support of Spanish MINECO FPA2014-53631-C2-2-P research project, SZ acknowledges support by the Alexander von Humboldt foundation. We thank K. Cichy, M. Creutz, O. Pene, O. Philipsen, M. Teper, J. Verbaarschot for fruitful discussions. Numerical computations were partially performed on the LOEWE-CSC high-performance supercomputer of Johann Wolfgang Goethe-University Frankfurt am Main and have also used resources of CINES and GENCI-IDRIS as well as resources at the IN2P3 computing facility in Lyon. We would like to thank HPC-Hessen, funded by the State Ministry of Higher Education, Research and the Arts, for programming advice. We are finally grateful to the European Twisted Mass collaboration for making their gauge field configurations publicly available.en_US
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España*
dc.titleGluon Green functions free of quantum fluctuationsen_US
dc.relation.projectIDinfo:eu-repo/grantAgreement/Spanish MINECO [FPA2014-53631-C2-2-P]en_US

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