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Preprint Sep 2026

Renormalization of One-Dimensional Semirelativistic Bosons with Contact Interactions

We study one-dimensional spinless bosons with semirelativistic spinless-Salpeter dispersion and attractive pairwise contact interactions. Because the dispersion becomes linear at large momentum, the contact interaction is marginal by power counting and produces a logarithmic ultraviolet divergence. We construct the ren...

Fatih Erman, O. Turgut · 0 citations

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