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cond-mat.mtrl-sci2005
Localized Orbital Description of Electronic Structure
Joydeep Bhattacharjee, Umesh V Waghmare
We present a simple and general method for construction of localized orbitals to describe electronic structure of extended periodic metals and insulators as well as confined system…
cond-mat.mtrl-sci2005
The Nature of Vibrations of a 2-D Disordered Lattice Model with Nano-scale Order
Prasenjit Ghosh, Umesh V. Waghmare
Motivated by the unusual soft mode anomalies in the relaxor ferroelectrics, we present a numerical study of vibrational excitations of a disordered lattice model with chemical orde…