EFT study of ^4He trimers and tetramers around unitarity limit yields binding energies and radii that converge to phenomenological potential results after including finite-range and four-body corrections.
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A minimal NLO chiral EFT nuclear interaction constrained only in A≤3 nuclei predicts binding energies up to 40Ca with small residual cutoff dependence via an absolute-momentum lattice regulator.
Auxiliary counterterms provide exact cutoff independence in EFTs but encode no new physics and aid renormalization consistency and convergence.
citing papers explorer
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Three- and four-boson systems expanded around the unitarity limit: Application to $^4$He
EFT study of ^4He trimers and tetramers around unitarity limit yields binding energies and radii that converge to phenomenological potential results after including finite-range and four-body corrections.
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Cutoff-independent predictions from nuclear lattice effective field theory
A minimal NLO chiral EFT nuclear interaction constrained only in A≤3 nuclei predicts binding energies up to 40Ca with small residual cutoff dependence via an absolute-momentum lattice regulator.
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Auxiliary counterterms and their role in effective field theory
Auxiliary counterterms provide exact cutoff independence in EFTs but encode no new physics and aid renormalization consistency and convergence.