A note on one-loop soliton quantum mass corrections
arXiv:1912.13051 · doi:10.1142/S0217732320501023
Abstract
We develop an alternative derivation of the renormalized expression for the one-loop soliton quantum mass corrections in (1+1)-dimensional scalar field theories. We regularize implicitly such quantity by subtracting and adding its corresponding tadpole graph contribution and use the renormalization prescription that such added term vanishes with adequate counterterms. As a result, we get a finite unambiguous formula for the soliton quantum mass corrections up to one-loop order, which turns to be independent of the chosen regularization scheme.
arXiv comment9 pages. Version accepted for publication in Mod. Phys. Lett. A (MPLA)
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