Physics – Condensed Matter – Soft Condensed Matter
Scientific paper
2005-02-21
Soft Condensed Matter: New Research", edited by K. I. Dillon (Nova Science Publishers, New York, 2007)
Physics
Condensed Matter
Soft Condensed Matter
33 pages, 18 figures, revised version, published in "Soft Condensed Matter: New Research", edited by K. I. Dillon (Nova Scienc
Scientific paper
More than twenty years ago, it was predicted that nuclei can adopt interesting shapes, such as rods or slabs, etc., in the cores of supernovae and the crusts of neutron stars. These non-spherical nuclei are referred to as nuclear "pasta". In recent years, we have been studying the dynamics of the pasta phases using a method called quantum molecular dynamics (QMD) and have opened up a new aspect of study for this system. Our findings include: dynamical formation of the pasta phases by cooling down the hot uniform nuclear matter; phase diagrams in the density versus temperature plane; structural transitions between the pasta phases induced by compression and elucidation of the mechanism by which they proceed. In the present article, we given an overview of the basic physics and astrophysics of the pasta phases and review our works for readers in other fields.
Sonoda Hidetaka
Watanabe Gentaro
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