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Nonlinear hysteretic behavior of a confined sliding layer
N. Manini, G. E. Santoro, E. Tosatti +1
A nonlinear model representing the tribological problem of a thin solid lubricant layer between two sliding periodic surfaces is used to analyze the phenomenon of hysteresis at pin…
Ab-initio self-energy corrections in systems with metallic screening
Marco Cazzaniga, Nicola Manini, Luca Guido Molinari +1
The calculation of self-energy corrections to the electron bands of a metal requires the evaluation of the intraband contribution to the polarizability in the small-q limit. When n…
Solitons and exact velocity quantization of incommensurate sliders
Nicola Manini, Marco Cesaratto, Giuseppe E. Santoro +2
We analyze in some detail the recently discovered velocity quantization phenomena in the classical motion of an idealized one-dimensional solid lubricant, consisting of a harmonic…
Asymmetric frictional sliding between incommensurate surfaces
Giuseppe E. Santoro, Andrea Vanossi, Nicola Manini +2
We study the frictional sliding of two ideally incommensurate surfaces with a third incommensurate sheet - a sort of extended lubricant - in between. When the mutual ratios of the…
Exactly quantized dynamics of classical incommensurate sliders
Andrea Vanossi, Nicola Manini, Giorgio Divitini +2
We report peculiar velocity quantization phenomena in the classical motion of an idealized 1D solid lubricant, consisting of a harmonic chain interposed between two periodic slider…