Rigidity and auxeticity transitions in networks with strong bond-bending interactions
نویسندگان
چکیده
منابع مشابه
Nonuniversality of elastic exponents in random bond-bending networks.
We numerically investigate the rigidity percolation transition in two-dimensional flexible, random rod networks with freely rotating cross links. Near the transition, networks are dominated by bending modes and the elastic modulii vanish with an exponent f=3.0+/-0.2, in contrast with central force percolation which shares the same geometric exponents. This indicates that universality for geomet...
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Temperature dependence of structure, bending rigidity, and bilayer interactions of dioleoylphosphatidylcholine bilayers.
X-ray diffuse scattering was measured from oriented stacks and unilamellar vesicles of dioleoylphosphatidylcholine lipid bilayers to obtain the temperature dependence of the structure and of the material properties. The area/molecule, A, was 75.5 A(2) at 45 degrees C, 72.4 A(2) at 30 degrees C, and 69.1 A(2) at 15 degrees C, which gives the area expansivity alpha(A) = 0.0029/deg at 30 degrees C...
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ژورنال
عنوان ژورنال: The European Physical Journal E
سال: 2019
ISSN: 1292-8941,1292-895X
DOI: 10.1140/epje/i2019-11888-5