Fixed-phase approximation and Diffusion Quantum Monte Carlo

TL;DR

This paper introduces a straightforward fixed phase approach for Quantum Monte Carlo methods applicable to electrons in molecules, electron gas, and systems with magnetic fields, simplifying the implementation of these simulations.

Contribution

The paper proposes a simple, extendable fixed phase method for Quantum Monte Carlo that broadens its applicability to magnetic field systems.

Findings

Simplified fixed phase approach for Quantum Monte Carlo.

Applicable to molecules, electron gas, and magnetic fields.

Facilitates easier implementation of QMC simulations.

Abstract

We present a simple approach to the fixed phase method in Quantum Monte Carlo. This applies to electrons in molecules and electron gas and is straightforwardly extended to the Schr\"odinger equation with magnetic field.