19 citations · 20 across the 2 of their papers we have counts for
3 papers
cond-mat.str-el2008★ 19 cited
The Resonating-Valence-Bond Ground State of Li Nanoclusters
D. Nissenbaum, L. Spanu, C. Attaccalite +2
We have performed Diffusion Quantum Monte Carlo simulations of Li clusters showing that Resonating-Valence-Bond (RVB) pairing correlations between electrons provide a substantial c…
cond-mat.mtrl-sci2007★ 1 cited
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…
cond-mat.mes-hall2004
Electron correlations, spontaneous magnetization and momentum density in quantum dots
A. Bansil, D. Nissenbaum, B. Barbiellini +1
The magnetization of quantum dots is discussed in terms of a relatively simple but exactly solvable model Hamiltonian. The model predicts oscillations in spin polarization as a fun…