Frictional Rigidity Percolation: A New Universality Class and Its Superuniversal Connections through Minimal Rigidity Proliferation

Kuang Liu, S. Henkes, J. M. Schwarz

Research output: Contribution to journalArticle

Abstract

We introduce two new complementary concepts, frictional rigidity percolation and minimal rigidity proliferation, to help identify the nature of the frictional jamming transition as well as significantly broaden the scope of rigidity percolation. To probe frictional rigidity percolation, we construct rigid clusters using a (3,3) pebble game for sliding and frictional contacts first on a honeycomb lattice with next-nearest neighbors, and second on a hierarchical lattice. For both lattices, we find a continuous rigidity transition. Our numerically obtained transition exponents for frictional rigidity percolation on the honeycomb lattice are distinct from those of central-force rigidity percolation. We propose that localized motifs, such as hinges connecting rigid clusters that are allowed only with friction, could give rise to this new frictional universality class. And yet, the distinction between the exponents characterizing the spanning rigid cluster for frictional and central-force rigidity percolation is small, motivating us to look for a limit in which they are identical, i.e., a search for mechanisms of superuniversality. To achieve this goal, we construct a minimally rigid cluster generating algorithm invoking generalized Henneberg moves, dubbed minimal rigidity proliferation. For both frictional and central-force rigidity percolation, these clusters appear to be in the same universality class as connectivity percolation, suggesting superuniversality between all three transitions for such minimally rigid clusters. These combined results allow us, for the first time in rigidity percolation, to directly compare two universality classes on the same lattice and to highlight unifying and distinguishing concepts of rigidity transitions in disordered systems.

Original languageEnglish (US)
Article number021006
JournalPhysical Review X
Volume9
Issue number2
DOIs
StatePublished - Apr 10 2019

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rigidity
exponents
sliding contact
jamming
hinges
games
friction

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  • Physics and Astronomy(all)

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Frictional Rigidity Percolation : A New Universality Class and Its Superuniversal Connections through Minimal Rigidity Proliferation. / Liu, Kuang; Henkes, S.; Schwarz, J. M.

In: Physical Review X, Vol. 9, No. 2, 021006, 10.04.2019.

Research output: Contribution to journalArticle

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