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20222026
most citedTree-level unitarity, causality and higher-order Lorentz and CPT violation

2 citations · 3 across the 8 of their papers we have counts for

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hep-th2023★ 1 cited

Perturbative S-matrix unitarity and higher-order Lorentz violation

Justo López-Sarrión, Carlos M. Reyes, César Riquelme

We investigate the preservation of unitarity in a Lorentz and CPT-violating QED model containing higher-order operators. In particular, we consider modifications in the fermion sec…