Defect Scars on Flexible Surfaces with Crystalline Order

by: Tamotsu Kohyama, Gerhard Gompper

Physical Review Letters, Vol. 98, No. 19. (2007)

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Abstract

The crystallography of two-dimensional particle packings on flexible surfaces of spherical topology is investigated. Examples are viral capsids and crystalline vesicles. Computer simulations of dynamically triangulated surfaces are employed to study the shape and structure of lattice defects as a function of the Föppl–von Kármán number . We find that grain-boundary scars become much more fuzzy with increasing temperature, that the size of grain-boundary scars saturates with increasing vesicle radius, and that the buckling transition shifts to higher values of due to the presence of scars.

@article{citeulike:2553121, abstract = {The crystallography of two-dimensional particle packings on flexible surfaces of spherical topology is investigated. Examples are viral capsids and crystalline vesicles. Computer simulations of dynamically triangulated surfaces are employed to study the shape and structure of lattice defects as a function of the F\öppl\–von\ K\árm\án number . We find that grain-boundary scars become much more fuzzy with increasing temperature, that the size of grain-boundary scars saturates with increasing vesicle radius, and that the buckling transition shifts to higher values of due to the presence of scars.}, author = {Kohyama, Tamotsu and Gompper, Gerhard }, citeulike-article-id = {2553121}, doi = {http://dx.doi.org/10.1103/PhysRevLett.98.198101}, journal = {Physical Review Letters}, keywords = {2007, surface}, number = {19}, posted-at = {2008-03-18 22:45:49}, priority = {2}, publisher = {APS}, title = {Defect Scars on Flexible Surfaces with Crystalline Order}, url = {http://dx.doi.org/10.1103/PhysRevLett.98.198101}, volume = {98}, year = {2007} }

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TY - JOUR ID - citeulike:2553121 L3 - citeulike-article-id:2553121 TI - Defect Scars on Flexible Surfaces with Crystalline Order JF - Physical Review Letters VL - 98 IS - 19 PB - APS N2 - The crystallography of two-dimensional particle packings on flexible surfaces of spherical topology is investigated. Examples are viral capsids and crystalline vesicles. Computer simulations of dynamically triangulated surfaces are employed to study the shape and structure of lattice defects as a function of the Föppl–von Kármán number . We find that grain-boundary scars become much more fuzzy with increasing temperature, that the size of grain-boundary scars saturates with increasing vesicle radius, and that the buckling transition shifts to higher values of due to the presence of scars. KW - 2007 KW - surface AU - Kohyama, Tamotsu AU - Gompper, Gerhard PY - 2007/// UR - http://dx.doi.org/10.1103/PhysRevLett.98.198101 ER -

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