We analyse the geometry of the solid phase shaped by densely packed hard calottes on a sphere. We show that in this phase topological defects are not distributed at random over the surface but segregate into clusters that give rise to an upper level of organization in the form of a superstructure with icosahedral symmetry.
Statistical geometry of hard particles on a sphere: analysis of defects at high density / S., Prestipino Giarritta; Ferrario, Mauro; P. V., Giaquinta. - In: PHYSICA. A. - ISSN 0378-4371. - STAMPA. - 201:(1993), pp. 649-665. [10.1016/0378-4371(93)90134-P]
Statistical geometry of hard particles on a sphere: analysis of defects at high density
FERRARIO, Mauro;
1993
Abstract
We analyse the geometry of the solid phase shaped by densely packed hard calottes on a sphere. We show that in this phase topological defects are not distributed at random over the surface but segregate into clusters that give rise to an upper level of organization in the form of a superstructure with icosahedral symmetry.
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