Sharp rigidity transition at packing fraction φ_J ≈ 0.64 (random close packing) for frictionless spheres: below, system is fluid-like; above, it carries shear via a sparse force-network with isostatic contact number z_iso = 2d. J-point is…
Sharp rigidity transition at packing fraction φ_J ≈ 0.64 (random close packing) for frictionless spheres: below, system is fluid-like; above, it carries shear via a sparse force-network with isostatic contact number z_iso = 2d. J-point is…