The paper presents a cutting procedure that maps in-medium many-body divergences to vacuum diagrams, yielding A-independent counterterms for pionless EFT, demonstrated in the random phase approximation.
Som` a, The European Physical Journal Plus133, 434 (2018)
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Renormalization of pionless effective field theory in the A-body sector
The paper presents a cutting procedure that maps in-medium many-body divergences to vacuum diagrams, yielding A-independent counterterms for pionless EFT, demonstrated in the random phase approximation.