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Static and dynamic friction in sliding colloidal monolayers
Andrea Vanossi, Nicola Manini, Erio Tosatti
In a pioneer experiment, Bohlein et al. realized the controlled sliding of two-dimensional colloidal crystals over laser-generated periodic or quasi-periodic potentials. Here we pr…
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…
Systematic Improvement of Classical Nucleation Theory
Santi Prestipino, Alessandro Laio, Erio Tosatti
We reconsider the applicability of classical nucleation theory (CNT) to the calculation of the free energy of solid cluster formation in a liquid and its use to the evaluation of i…
Orthorhombic fulleride (CH3NH2)K3C60 close to Mott-Hubbard instability: Ab initio study
Anton Potočnik, Nicola Manini, Matej Komelj +2
We study the electronic structure and magnetic interactions in methylamine-intercalated orthorhombic alkali-doped fullerene (CH3NH2)K3C60 within the density functional theory. As i…
Hindered rolling and friction anisotropy in supported carbon nanotubes
Marcel Lucas, Xiaohua Zhang, Ismael Palaci +3
Carbon nanotubes (CNTs) are well known for their exceptional thermal, mechanical and electrical properties. For many CNT applications it is of the foremost importance to know their…
Kondo effect of magnetic impurities on nanotubes
P. P. Baruselli, A. Smogunov, M. Fabrizio +1
The effect of magnetic impurities on the ballistic conductance of nanocontacts is, as suggested in recent work, amenable to ab initio study \cite{naturemat}. Our method proceeds vi…