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D. R. Hamann

Researcher at Rutgers University

Publications -  10
Citations -  7239

D. R. Hamann is an academic researcher from Rutgers University. The author has contributed to research in topics: ABINIT & Perturbation theory. The author has an hindex of 9, co-authored 10 publications receiving 5155 citations.

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Optimized norm-conserving Vanderbilt pseudopotentials

TL;DR: In this paper, a reformulation of the optimization is developed, including the ability to apply it to positive-energy atomic scattering states and to enforce greater continuity in the pseudopotential.
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Reproducibility in density functional theory calculations of solids

Kurt Lejaeghere, +79 more
- 25 Mar 2016 - 
TL;DR: A procedure to assess the precision of DFT methods was devised and used to demonstrate reproducibility among many of the most widely used DFT codes, demonstrating that the precisionof DFT implementations can be determined, even in the absence of one absolute reference code.
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The PseudoDojo: Training and grading a 85 element optimized norm-conserving pseudopotential table

TL;DR: The PseudoDojo framework for developing and testing full tables of pseudopotentials is presented, and a new table generated with the ONCVPSP approach is demonstrated, leading to new insights into the effects of both the core-valence partitioning and the non-linear core corrections on the stability, convergence, and transferability of norm-conserving pseudopotential.
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Recent developments in the ABINIT software package

TL;DR: The present paper aims to describe the new capabilities of ABINIT that have been developed since 2009, which include new physical and technical features that allow electronic structure calculations impossible to carry out in the previous versions.