48 citations · 144 across the 7 of their papers we have counts for
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Anders M. N. Niklasson, Marc J. Cawkwell, Emanuel H. Rubensson +1
Density matrix perturbation theory [Niklasson and Challacombe, Phys. Rev. Lett. 92, 193001 (2004)] is generalized to canonical (NVT) free energy ensembles in tight-binding, Hartree…