具有伸缩子-夸克偶素场的广义Skyrme模型中的孤子和黑洞
Solitons and Black Holes in a Generalized Skyrme Model with Dilaton-Quarkonium field
摘要：
Skyrme理论是从量子色动力学的低能极限中产生的一种可行的有效理论。它的许多推广也包括一个新的。在这里，我们发现了新的自引力解，孤子和黑洞，在一个广义Skyrme模型（GSM），其中的一个介子。的解决方案的性质的调查是数字。我们发现，在理论中引入量子并没有从质上改变这幅图景，而只是从量上改变了它。该模型比Einstein-Skyrme模型多了一个自由参数，而自由参数是由电子的势产生的。我们还应用了转折点方法来证明解的黑洞分支之一是不稳定的。这里的转折点方法是以黑洞热力学第一定律为基础的，详细的推导过程在本文的附录中给出。
英文摘要：
Skyrme theory is among the viable effective theories which emerge from low-energy limit of quantum chromodynamics. Many of its generalizations include also a dilaton. Here we find new self-gravitating solutions, both solitons and black holes, in a Generalized Skyrme Model (GSM) in which a dilaton is present. The investigation of the properties of the solutions is done numerically. We find that the introduction of the dilaton in the theory does not change the picture qualitatively, only quantitatively. The model considered here has one free parameter more than the Einstein-Skyrme model which comes from the potential of the dilaton. We have applied also the turning point method to establish that one of the black-hole branches of solutions is unstable. The turning point method here is based on the first law of black-hole thermodynamics a detailed derivation of which is given in the Appendix of the paper.
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