836 citations
- D. Schaile7 profiles46 · h 87
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4 papers · 2 filters
Superlens imaging theory for anisotropic nanostructured metamaterials with broadband all-angle negative refraction
W. T. Lu, S. Sridhar
We show that a metamaterial consisting of aligned metallic nanowires in a dielectric matrix has strongly anisotropic optical properties. For filling ratio f<1/2, the composite medi…
Decorrelation of samples in Quantum Monte Carlo calculations and scaling of autocorrelation time in Li and HO clusters
D. Nissenbaum, B. Barbiellini, A. Bansil
We have investigated decorrelation of samples in Quantum Monte Carlo (QMC) ground-state energy calculations for large Li and HO nanoclusters. Binning data as a way of elimina…
Positron studies of surfaces, structure and electronic properties of nanocrystals
S. W. H. Eijt, B. Barbiellini, A. J. Houtepen +3
A brief review is given of recent positron studies of metal and semiconductor nanocrystals. The prospects offered by positron annihilation as a sensitive method to access nanocryst…
Physisorption of positronium on quartz surfaces
R. Saniz, B. Barbiellini, P. M. Platzman +1
The possibility of having positronium (Ps) physisorbed at a material surface is of great fundamental interest, since it can lead to new insight regarding quantum sticking and is a…