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We have carried out ab initio electronic structure calculations on graphane (hydrogenated graphene) with single and double vacancy defects. Our analysis of the density of states reveal that such vacancies induce the mid gap states and modify the band gap. The induced states are due to the unpaired electrons on carbon atoms. Interestingly the placement and… (More)

- James K. Glasbrenner, B. S. Pujari, K. D. Belashchenko, J. K. Glasbrenner
- 2015

Deviations from Matthiessen's rule and resistivity saturation effects in Gd and Fe from first principles" (2014). Kirill Belashchenko Publications. Paper 25. According to earlier first-principles calculations, the spin-disorder contribution to the resistivity of rare-earth metals in the paramagnetic state is strongly underestimated if Matthiessen's rule is… (More)

- Sergey Gusarov, Bhalchandra S. Pujari, Andriy Kovalenko
- Journal of Computational Chemistry
- 2012

We developed a technique to decrease memory requirements when solving the integral equations of three-dimensional (3D) molecular theory of solvation, a.k.a. 3D reference interaction site model (3D-RISM), using the modified direct inversion in the iterative subspace (MDIIS) numerical method of generalized minimal residual type. The latter provides robust… (More)

- B S Pujari, P Larson, V P Antropov, K D Belashchenko
- Physical review letters
- 2015

A first-principles approach to the construction of concentration-temperature magnetic phase diagrams of metallic alloys is presented. The method employs self-consistent total energy calculations based on the coherent potential approximation for partially ordered and noncollinear magnetic states and is able to account for competing interactions and multiple… (More)

- Bhalchandra S. Pujari
- ArXiv
- 2009

Grids-the collection of heterogeneous computers spread across the globe-present a new paradigm for the large scale problems in variety of fields. We discuss two representative cases in the area of condensed matter physics outlining the widespread applications of the Grids. Both the problems involve calculations based on commonly used Density Functional… (More)

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