28 citations · 89 across the 12 of their papers we have counts for
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cond-mat.str-el2007★ 5 cited
Thermodynamic properties of Holstein polarons and the effects of disorder
A. N. Das, S. Sil
The ground state and finite temperature properties of polarons are studied considering a two-site and a four-site Holstein model by exact diagonalization of the Hamiltonian. The ki…
cond-mat.other2007★ 7 cited
Lattice bosons in quartic confinement
R. Ramakumar, A. N. Das
We present a theoretical study of bose condensation of non-interacting bosons in finite lattices in quartic potentials in one, two, and three dimensions. We investigate dimensional…