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arXiv 1701.06147hep-ph
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形变$AdS_5$模型中重夸克偶素的熵破坏

Entropic destruction of heavy quarkonium from a deformed $AdS_5$ model

Zi-qiang Zhang, Zhong-jie Luo, De-fu Hou, Gang Chen

摘要:

本文研究了形变$AdS_5$模型中重夸克偶素在熵力作用下的破坏。研究了变形参数对间距和熵力的影响。分析了形变参数对夸克偶素离解的影响。结果表明,在变形参数的存在下,间距增加。此外,变形参数具有减小熵力的作用。这一结果意味着夸克偶素在变形的AdS背景中比在通常的AdS背景中更难解离,与早期的发现一致。

英文摘要:

In this paper, we study the destruction of heavy quarkonium due to the entropic force in a deformed $AdS_5$ model. The effects of the deformation parameter on the inter-distance and the entropic force are investigated. The influence of the deformation parameter on the quarkonium dissociation is analyzed. It is shown that the inter-distance increases in the presence of the deformation parameter. In addition, the deformation parameter has the effect of decreasing the entropic force. This results imply that the quarkonium dissociates harder in a deformed AdS background than that in an usual AdS background, in agreement with earlier findings.

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