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Dynamical simulation of nuclear "pasta": soft condensed matter in dense stars | | Gentaro Watanabe
; Hidetaka Sonoda
; | | Date: |
21 Feb 2005 | | Subject: | Soft Condensed Matter | cond-mat.soft astro-ph nucl-th | | Abstract: | More than twenty years ago, it was predicted that nuclei can adopt interesting shapes, such as rods or slabs, etc., in cores of supernovae and crusts of neutron stars. These nonspherical nuclei are referred to as nuclear "pasta". In recent years, we have been studying the pasta phases using a dynamical method called quantum molecular dynamics (QMD) and have opened up a new aspect of study on this system. Our findings include: dynamical formation of the pasta phases by cooling down the hot uniform nuclear matter; phase diagrams on the density versus temperature plane; structural transitions between the pasta phases induced by compression and their mechanism. In the present article, we overview the basic physics and astrophysics of the pasta phases and review our works for readers in other fields. | | Source: | arXiv, cond-mat/0502515 | | Services: | Forum | Review | PDF | Favorites | |
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