Abstract
Calculations of quantum corrections to soliton masses generally require both the vacuum sector and the soliton sector to be regularized. The finite part of the quantum correction depends on the assumed relation between these regulators when both are taken to infinity. Recently, in the case of quantum kinks, a manifestly finite prescription for the calculation of the quantum corrections has been proposed, which uses the kink creation operator to relate the two sectors. In this note, we test this new prescription by calculating the one-loop correction to the sine-Gordon soliton mass, reproducing the well-known result which has been derived using integrability.
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ArXiv ePrint: 1912.08507
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Open Access . This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.
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Guo, H., Evslin, J. Finite derivation of the one-loop sine-Gordon soliton mass. J. High Energ. Phys. 2020, 140 (2020). https://doi.org/10.1007/JHEP02(2020)140
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DOI: https://doi.org/10.1007/JHEP02(2020)140