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- W2004357412 abstract "Abstract We perform self-consistent relativistic Hartree calculations of finite nuclei using the derivative expansion of the effective action to calculate the effect of vacuum polarization. The presence of derivative terms in this expansion allows non-vanishing baryon density fluctuations in the Dirac sea that contribute five percent of the baryon density on the surface of nuclei and also significantly in the interior of light nuclei. As a result, the RMS radius of the valence nucleons is reduced and the binding energy is increased. This effect is greatest in the lightest nuclei and improves the agreement with the experimental binding energies. The value of the scalar meson mass parameter necessary to fit the RMS radius of 40Ca is 550 MeV, which is significantly different from the value of 458 MeV obtained if one ignores the derivative terms, but is similar to that obtained when the entire vacuum structure is ignored." @default.
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- W2004357412 date "1988-08-01" @default.
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- W2004357412 title "Effect of vacuum polarization on nuclear structure" @default.
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- W2004357412 doi "https://doi.org/10.1016/0370-2693(88)90345-0" @default.
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