Journal Article

FZJ-2015-07589

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png The running coupling of 8 flavors and 3 colors

Fodor, Z. (Corresponding author)FZJ* ; Holland, K. (Corresponding author) ; Kuti, J. (Corresponding author) ; Mondal, S. (Corresponding author) ; Nogradi, D. (Corresponding author) ; Wong, C. H. (Corresponding author)

2015
Springer Berlin

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Please use a persistent id in citations: http://hdl.handle.net/2128/9589  doi:10.1007/JHEP06(2015)019

Abstract: We compute the renormalized running coupling of SU(3) gauge theory coupled to Nf = 8 flavors of massless fundamental Dirac fermions. The recently proposed finite volume gradient flow scheme is used. The calculations are performed at several lattice spacings allowing for a controlled continuum extrapolation. The results for the discrete β-function show that it is monotonic without any sign of a fixed point in the range of couplings we cover. As a cross check the continuum results are compared with the well-known perturbative continuum β-function for small values of the renormalized coupling and perfect agreement is found.

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Contributing Institute(s):

1. Jülich Supercomputing Center (JSC)

Research Program(s):

1. 511 - Computational Science and Mathematical Methods (POF3-511) (POF3-511)

Appears in the scientific report 2015

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Database coverage:
; ; ; Current Contents - Physical, Chemical and Earth Sciences ; IF >= 5 ; JCR ; Nationallizenz ; SCOPUS ; Science Citation Index ; Science Citation Index Expanded ; Thomson Reuters Master Journal List ; Web of Science Core Collection

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