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Topological boundary modes in jammed matter
Daniel M. Sussman, Olaf Stenull, T. C. Lubensky
Granular matter at the jamming transition is poised on the brink of mechanical stability, and hence it is possible that these random systems have topologically protected surface ph…
Mechanical Weyl Modes in Topological Maxwell Lattices
D. Zeb Rocklin, Bryan Gin-ge Chen, Martin Falk +2
Topological mechanical structures exhibit robust properties protected by topological invariants. In this letter, we study a family of deformed square lattices that display topologi…
Entropic forces stabilize diverse emergent structures in colloidal membranes
Louis Kang, Thomas Gibaud, Zvonimir Dogic +1
The depletion interaction mediated by non-adsorbing polymers promotes condensation and assembly of repulsive colloidal particles into diverse higher-order structures and materials.…
Chiral structures and defects of lyotropic chromonic liquid crystals induced by saddle-splay elasticity
Zoey S. Davidson, Louis Kang, Joonwoo Jeong +4
An experimental and theoretical study of lyotropic chromonic liquid crystals (LCLCs) confined in cylinders with degenerate planar boundary conditions elucidates LCLC director confi…
Phonons and elasticity in critically coordinated lattices
T C Lubensky, C L Kane, Xiaoming Mao +2
Much of our understanding of vibrational excitations and elasticity is based upon analysis of frames consisting of sites connected by bonds occupied by central-force springs, the s…