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Improved nuclear matter calculations from chiral low-momentum interactions
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Improved nuclear matter calculations from chiral low-momentum interactions
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We present new nuclear matter calculations based on low-momentum interactions derived from chiral effective field theory potentials. The current calculations use an improved treatment of the three-nucleon force contribution that includes a corrected combinatorial factor beyond Hartree-Fock that was omitted in previous nuclear matter calculations. We find realistic saturation properties using parameters fit only to few-body data, but with larger uncertainty estimates from cutoff dependence and the 3NF parametrization than in previous calculations.
Forward citations
Cited by 3 Pith papers
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Ab initio calculations of parity-violating electron scattering off $^{48}$Ca and $^{208}$Pb
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From binding and saturation to criticality in nuclear matter with lattice effective field theory
Improved leading-order lattice Hamiltonians lower the liquid-gas critical temperature of symmetric nuclear matter to 13.50(17)-13.71(19) MeV while improving zero-temperature binding energies and saturation point.
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$l$-forbidden $\mathbf{M1}$ strengths near $^{100}$Sn from knockout reactions in Cd and Sn
New B(M1) measurements for l-forbidden transitions near 100Sn reveal that VS-IMSRG calculations systematically underpredict the strengths, consistent with discrepancies near 40Ca and 208Pb.
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