87 citations · 104 across the 3 of their papers we have counts for
3 papers
cond-mat.stat-mech2004★ 17 cited
Analytical mean-field approach to the phase-diagram of ultracold bosons in optical superlattices
P. Buonsante, V. Penna, A. Vezzani
We report a multiple-site mean-field analysis of the zero-temperature phase diagram for ultracold bosons in realistic optical superlattices. The system of interacting bosons is des…
cond-mat.soft2004★ 87 cited
Phase Diagram for Ultracold Bosons in Optical Lattices and Superlattices
Pierfrancesco Buonsante, Alessandro Vezzani
We present an analytic description of the finite-temperature phase diagram of the Bose-Hubbard model, successfully describing the physics of cold bosonic atoms trapped in optical l…
cond-mat.supr-con2003
Effective inter-band coupling in MgB2 due to anharmonic phonons
M. Acquarone, L. Romano'
We investigate the origin of the inter-band coupling in MgB2 by focusing on its unusual phononic features, namely, the strong anharmonicity of the phonons and the presence of both…