Search Results for author: C. J. Umrigar

Found 2 papers, 1 papers with code

The electronic complexity of the ground-state of the FeMo cofactor of nitrogenase as relevant to quantum simulations

1 code implementation27 Sep 2018 Zhendong Li, Junhao Li, Nikesh S. Dattani, C. J. Umrigar, Garnet Kin-Lic Chan

We report that a recent active space model of the nitrogenase FeMo cofactor, proposed in the context of quantum simulations, is not representative of the electronic structure of the FeMo cofactor ground-state.

Chemical Physics Quantum Physics

Time-dependent linear-response variational Monte Carlo

no code implementations27 May 2017 Bastien Mussard, Emanuele Coccia, Roland Assaraf, Matt Otten, C. J. Umrigar, Julien Toulouse

We present the extension of variational Monte Carlo (VMC) to the calculation of electronic excitation energies and oscillator strengths using time-dependent linear-response theory.

Chemical Physics Computational Physics

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