期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 7, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP07(2016)038
关键词
Conformal and W Symmetry; Lattice Quantum Field Theory; Lattice QCD; Technicolor and Composite Models
资金
- SCOAP3
The recent work by Iha et al. shows an upper bound on mass anomalous dimension gamma(m) of multi-flavor massless QCD at the renormalization group fixed point from the conformal bootstrap in SU(N-F)(V) symmetric conformal field theories under the assumption that the fixed point is realizable with the lattice regularization based on staggered fermions. We show that the almost identical but slightly stronger bound applies to the regularization based on Wilson fermions (or domain wall fermions) by studying the conformal bootstrap in SU(N-f)(L) x SU(N-f)(R) symmetric conformal field theories. For N-f = 8, our bound implies gamma(m) < 1.31 to avoid dangerously irrelevant operators that are not compatible with the lattice symmetry.
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