IR free or interacting? A Proposed diagnostic

@inproceedings{Intriligator2005IRFO,
  title={IR free or interacting? A Proposed diagnostic},
  author={Kenneth A. Intriligator},
  year={2005}
}
We present and discuss a conjectured criterion for determining whether a 4d quantum field theory is IR free, or flows to an interacting conformal field theory in the infrared: “the correct infrared phase is that with the larger conformal anomaly a”. A stronger conjecture is that “an operator can become IR free only if that results in a larger conformal anomaly a”. We test these conjectures in the context of N=1 supersymmetric theories. They are verified to indeed predict the correct IR phase in… CONTINUE READING

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