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Muto, Takumi*; Maruyama, Toshiki; Tatsumi, Toshitaka*
Modern Physics Letters A, 23(27-30), p.2536 - 2539, 2008/09
The structure of multi-antikaonic nuclei (MKN), where several mesons are bound in the nucleus, is studied in the relativistic mean-field model. A kaonic part of the thermodynamic potential including kaon-nucleon interactions is derived on the basis of chiral symmetry (abbreviated as a chiral model). It is shown that nonperturbative effects from kaons in the chiral model on the properties of the MKN such as the density distributions of nucleons and mesons and the binding energy become important since the number of the embedded increases.