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arXiv 2103.10494hep-phhep-th
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AdS/QCD软壁模型中$ρ$介子-核子耦合常数的温度依赖性

Temperature dependence of $ρ$ meson-nucleon coupling constant from the AdS/QCD soft-wall model

Shahin Mamedov, Narmin Nasibova

摘要:

利用AdS/QCD软壁模型研究了$ρ$介子-核子耦合常数与介质温度的关系。矢量场和费米子场的有限温度分布函数被应用于具有热费米子场的模型。这些领域之间的相互作用拉格朗日量的大部分写在零温度的情况下,包括最小和磁型相互作用。绘制了$g_{ρNN}(T)$耦合常数及其各项随温度的变化曲线。我们观察到在中温接近相变的Hawking温度时,耦合常数及其分离项变为零。

英文摘要:

We investigate the dependence of the $ρ$ meson-nucleon coupling constant on the temperature of the medium using the soft-wall model of AdS/QCD. The finite temperature profile functions for the vector and fermion fields are applied to the model having a thermal dilaton field. The interaction Lagrangian in the bulk between these fields is written as in zero temperature case and includes minimal- and magnetic-type interactions. The temperature dependence of the $g_{ρNN}(T)$ coupling constant and its terms are plotted. We observe that the coupling constant and its separate terms become zero at the medium temperature near the Hawking temperature of phase transition.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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