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@ARTICLE{Persson:910500,
author = {Persson, Bo and Biele, J.},
title = {{O}n the {S}tability of {S}pinning {A}steroids},
journal = {Tribology letters},
volume = {70},
number = {2},
issn = {1023-8883},
address = {Dordrecht},
publisher = {Springer Science Business Media B.V.},
reportid = {FZJ-2022-03883},
pages = {34},
year = {2022},
abstract = {Most asteroids with a diameter larger than ∼300 m are
rubble piles, i.e., consisting of more than one solid
object. All asteroids are rotating but almost all asteroids
larger than ∼300 m rotate with a period longer than 2.3
hours, which is the critical period where the centrifugal
force equals the gravitational force. This indicates that
there are nearly no adhesive interaction forces between the
asteroid fragments. We show that this is due to the surface
roughness of the asteroid particles which reduces the van
der Waals interaction between the particles by a factor of
100 for micrometer sized particles and even more for larger
particles. We show that surface roughness results in an
interaction force which is independent of the size of the
particles, in contrast to the linear size dependency
expected for particles with smooth surfaces. Thus, two stone
fragments of size 100 nm attract each other with the same
non-gravitational force as two fragments of size 10 m.},
cin = {IAS-1 / PGI-1 / JARA-FIT / JARA-HPC},
ddc = {670},
cid = {I:(DE-Juel1)IAS-1-20090406 / I:(DE-Juel1)PGI-1-20110106 /
$I:(DE-82)080009_20140620$ / $I:(DE-82)080012_20140620$},
pnm = {5211 - Topological Matter (POF4-521)},
pid = {G:(DE-HGF)POF4-5211},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000760271100002},
doi = {10.1007/s11249-022-01570-x},
url = {https://juser.fz-juelich.de/record/910500},
}