SQCD、超导能隙和循环RG流
SQCD, Superconducting Gaps and Cyclic RG Flows
摘要：
本文研究了具有单形变参数的Ω-形变N=2 SQCD与类BCS超导可积模型之间的关系。我们认为，涡弦世界面理论与截断BCS超导的俄罗斯娃娃（RD）模型有关。我们认为，Ω-变形的规范理论表现出有趣的循环RG行为，RG循环的周期与ε^{-1}成正比。变形规范理论可以发展出几种非微扰标度。我们猜想Efimov塔的束缚态解释。
英文摘要：
We consider the relation between the Ω-deformed N=2 SQCD with the single deformation parameter and integrable models of the BCS-like superconductivity. It is argued that the vortex string worldsheet theory is related to the Russian Doll(RD) model of the truncated BCS superconductivity. We argue that the Ω-deformed gauge theory manifests the interesting cyclic RG behavior with the period of the RG cycle proportional to ε^{-1}. The deformed gauge theory can develop several non-perturbative scales. We conjecture on the monopole bound state interpretation of the Efimov tower.
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