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hep-th2023
Gluonic evanescent operators: negative-norm states and complex anomalous dimensions
Qingjun Jin, Ke Ren, Gang Yang +1
In this paper, we build on our previous work to further investigate the role of evanescent operators in gauge theories, with a particular focus on their contribution to violations…
hep-th2023
Is Yang-Mills Theory Unitary in Fractional Spacetime Dimensions?
Qingjun Jin, Ke Ren, Gang Yang +1
We present concrete evidence that Yang-Mills theory exhibits non-unitarity in non-integer spacetime dimensions. This violation of unitarity stems from evanescent operators that, wh…