Three-dimensional calculation of inhomogeneous nuclear matter

Okamoto, Minoru; Maruyama, Toshiki  ; Yabana, Kazuhiro*; Tatsumi, Toshitaka*

We have performed three-dimensional calculation for low-density nuclear matter without any geometrical assumption and have explored its structure and property. As a result, we have confirmed the appearance of conventional pasta structures whose existence had been suggested by several authors. We also observed some exotic structures other than pasta as metastable states around the density regions where the pasta structures change. In addition, there emerged one point unlike the conventional results in the crystalline structure of spherical nuclear matter. In our self-consistent calculation, it emerges as a face-centered cubic lattice, while it has been regarded to take a body-centered cubic lattice in the previous studies.