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Gravitational form factors of pion from top-down holographic QCD
Physical Review D ( IF 4.6 ) Pub Date : 2024-11-08 , DOI: 10.1103/physrevd.110.l091501
Daisuke Fujii, Akihiro Iwanaka, Mitsuru Tanaka

The gravitational form factors (GFFs) of pions are calculated from a top-down holographic quantum chromodynamics (QCD) approach with momentum transfer dependence for the first time. It is important because the GFFs of hadrons have information on the internal stress distribution that may provide insight into the mechanism of how QCD forms hadrons. The forward limit value of this GFFs, i.e., the D-term, was also obtained. Furthermore, in this approach, we observe the so-called glueball dominance, in which pions have gravitational interactions via infinite glueball spectra.

中文翻译:


来自自上而下的全息 QCD 的 pion 的引力形状因子



π 子的引力形式因子 (GFF) 是从自上而下的全息量子色动力学 (QCD) 方法计算的,首次具有动量传递依赖性。这很重要,因为强子的 GFF 具有有关内应力分布的信息,这些信息可能有助于深入了解 QCD 如何形成强子的机制。还获得了该 GFF 的正向极限值,即 D 项。此外,在这种方法中,我们观察到所谓的胶球优势,其中介子通过无限的胶球光谱进行引力相互作用。
更新日期:2024-11-08
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