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Near-BPS Skyrmions: Constant baryon density
2014
Nuclear Physics B
Although it provides a relatively good picture of the nucleons, the Skyrme Model is unable to reproduce the small binding energy in nuclei. This suggests that Skyrme-like models that nearly saturate the Bogomol'nyi bound may be more appropriate since their mass is roughly proportional to the baryon number A. For that purpose, we propose a near-BPS Skyrme Model. It consists of terms up to order six in derivatives of the pion fields, including the nonlinear and Skyrme terms which are assumed to
doi:10.1016/j.nuclphysb.2014.03.025
fatcat:5s6ewd4whvhtre5ok3lwhdtfcq