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Subharmonic Shapiro steps of sliding colloidal monolayers in optical lattices
Stella V. Paronuzzi Ticco, Gabriele Fornasier, Nicola Manini +3
We investigate theoretically the possibility to observe dynamical mode locking, in the form of Shapiro steps, when a time-periodic potential or force modulation is applied to a two…
Superlubric-Pinned Transition in Sliding Incommensurate Colloidal Monolayers
Davide Mandelli, Andrea Vanossi, Michele Invernizzi +3
Two-dimensional (2D) crystalline colloidal monolayers sliding over a laser-induced optical lattice recently emerged as a new tool for the study of friction between ideal crystal su…
Friction Boosted by Equilibrium Misalignment of Incommensurate Two-Dimensional Colloid Monolayers
Davide Mandelli, Andrea Vanossi, Nicola Manini +1
Colloidal 2D monolayers sliding in an optical lattice are of recent importance as a frictional system. In the general case when the monolayer and optical lattices are incommensurat…