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Appearance of the single gyroid network phase in “nuclear pasta” matter

Schuetrumpf, B., Klatt, M.A., Iida, K., Schröder-Turk, G.E., Maruhn, J.A., Mecke, K. and Reinhard, P-G (2015) Appearance of the single gyroid network phase in “nuclear pasta” matter. Physical Review C, 91 (2).

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Nuclear matter under the conditions of a supernova explosion unfolds into a rich variety of spatially structured phases, called nuclear pasta. We investigate the role of periodic networklike structures with negatively curved interfaces in nuclear pasta structures, by static and dynamic Hartree-Fock simulations in periodic lattices. As the most prominent result, we identify for the first time the single gyroid network structure of cubic chiral I4123 symmetry, a well-known configuration in nanostructured soft-matter systems, both as a dynamical state and as a cooled static solution. Single gyroid structures form spontaneously in the course of the dynamical simulations. Most of them are isomeric states. The very small energy differences from the ground state indicate its relevance for structures in nuclear pasta.

Item Type: Journal Article
Publisher: American Physical Society
Copyright: © 2015 American Physical Society
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