Abstract
The invariance of physical observables under redefinitions of the quantum fields is a well-known and important property of quantum field theory. We study perturbative field redefinitions in effective theories, paying special attention to higher-order effects and their impact on matching to an ultraviolet theory at the classical and quantum levels.
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Criado, J.C., Pérez-Victoria, M. Field redefinitions in effective theories at higher orders. J. High Energ. Phys. 2019, 38 (2019). https://doi.org/10.1007/JHEP03(2019)038
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DOI: https://doi.org/10.1007/JHEP03(2019)038