Search Results for author: Timothy C. Berkelbach

Found 2 papers, 0 papers with code

Understanding and eliminating spurious modes in variational Monte Carlo using collective variables

no code implementations11 Nov 2022 huan zhang, Robert J. Webber, Michael Lindsey, Timothy C. Berkelbach, Jonathan Weare

The use of neural network parametrizations to represent the ground state in variational Monte Carlo (VMC) calculations has generated intense interest in recent years.

Variational Monte Carlo

Dynamical correlation energy of metals in large basis sets from downfolding and composite approaches

no code implementations10 Mar 2021 James M. Callahan, Malte F. Lange, Timothy C. Berkelbach

In a common "composite" method, MP2 is used to recover the missing dynamical correlation energy through a focal-point correction, but the inadequacy of MP2 for metals raises questions about this approach.

Materials Science Chemical Physics

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