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Optimal Energy Dissipation in Sliding Friction Simulations
A. Benassi, A. Vanossi, G. E. Santoro +1
Non-equilibrium molecular dynamics simulations, of crucial importance in sliding friction, are hampered by arbitrariness and uncertainties in the removal of the frictionally genera…
Sliding Over a Phase Transition
Andrea Benassi, Andrea Vanossi, Giuseppe E. Santoro +1
The effects of a displacive structural phase transition on sliding friction are in principle accessible to nanoscale tools such as the Atomic Force Microscopy, yet they are still s…
Atomic spin sensitive dissipation on magnetic surfaces
Franco Pellegrini, Giuseppe E. Santoro, Erio Tosatti
We identify the mechanism of energy dissipation relevant to spin-sensitive nanomechanics including the recently introduced magnetic exchange force microscopy, where oscillating mag…
Tribology of the lubricant quantized-sliding state
Ivano Eligio Castelli, Rosario Capozza, Andrea Vanossi +3
In the framework of Langevin dynamics, we demonstrate clear evidence of the peculiar quantized sliding state, previously found in a simple 1D boundary lubricated model [Phys. Rev.…
Dynamical chiral symmetry breaking in sliding nanotubes
X. H. Zhang, G. E. Santoro, U. Tartaglino +1
We discovered in simulations of sliding coaxial nanotubes an unanticipated example of dynamical symmetry breaking taking place at the nanoscale. While both nanotubes are perfectly…
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…