Recent progress on understanding "pasta" phases in dense stars

Details Recent progress on understanding "pasta" phases in dense stars Recent progress on understanding "pasta" phases in dense stars

2005-12-06

arxiv.org/abs/nucl-th/0512020v1

AIP Conf. Proc. 791, 101-111 (2005)

Physics

Nuclear Physics

Nuclear Theory

11 pages, 9 figures, references added, published in the Proceedings of the 2nd Argonne/MSU/JINA/INT RIA Workshop on "Reaction

Scientific paper

10.1063/1.2114698

In cores of supernovae and crusts of neutron stars, nuclei can adopt interesting shapes, such as rods or slabs, etc., which are referred to as nuclear "pasta." Recently, we have been studying the pasta phases focusing on their dynamical aspects with quantum molecular dynamic (QMD) approach. We review our findings on the following topics: dynamical formation of the pasta phases by cooling down the hot uniform nuclear matter; a phase diagram on the density versus temperature plane; structural transitions between the pasta phases induced by compression and their mechanism. Properties of the nuclear interaction used in our works are also discussed.

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