通过脉动涡廓线消除中心厚涡势的扰动
Removing the concavity of the thick center vortex potentials by fluctuating the vortex profile
摘要:
厚中心涡模型再现了在格点杨-米尔斯计算中看到的静态夸克源之间的势的重要方面:获得了由Casimir标度支配的中间距离行为以及由N度支配的长距离行为。然而,当使用固定的涡流轮廓时,这两个距离区域不自然地彼此连接。一般来说,这种跃迁违反了对势的严格限制,特别是对于规范群的更高表示。我们演示了如何可以缓解这个问题时,允许在这个简单的模型内波动的旋涡轮廓。
英文摘要:
The thick center vortex model reproduces important aspects of the potentials between static quark sources as seen in lattice Yang-Mills calculations: Both the intermediate distance behavior, governed by Casimir scaling, as well as the long distance behavior, governed by N-ality, are obtained. However, when a fixed vortex profile is used, these two distance regimes do not connect naturally to each other. The transition in general violates concavity constraints on the potential, especially for higher representations of the gauge group. We demonstrate how this issue can be alleviated when the vortex profile is allowed to fluctuate within this simple model.
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