Applications of quantum Monte Carlo methods in condensed systems

J Kolorenč, L Mitas - Reports on Progress in Physics, 2011 - iopscience.iop.org
Abstract Quantum Monte Carlo methods represent a powerful and broadly applicable
computational tool for finding very accurate solutions of the stationary Schrödinger equation …

Spin-orbit interactions in electronic structure quantum Monte Carlo methods

CA Melton, M Zhu, S Guo, A Ambrosetti, F Pederiva… - Physical Review A, 2016 - APS
We develop generalization of the fixed-phase diffusion Monte Carlo method for
Hamiltonians which explicitly depends on particle spins such as for spin-orbit interactions …

[HTML][HTML] Quantum Monte Carlo with variable spins

CA Melton, MC Bennett, L Mitas - The Journal of Chemical Physics, 2016 - pubs.aip.org
We investigate the inclusion of variable spins in electronic structure quantum Monte Carlo,
with a focus on diffusion Monte Carlo with Hamiltonians that include spin-orbit interactions …

Plasmon mass and Drude weight in strongly spin-orbit-coupled two-dimensional electron gases

A Agarwal, S Chesi, T Jungwirth, J Sinova… - Physical Review B …, 2011 - APS
Spin-orbit-coupled two-dimensional electron gases (2DEGs) are a textbook example of
helical Fermi liquids, ie, quantum liquids in which spin (or pseudospin) and momentum …

Diffusion Monte Carlo methods for spin-orbit-coupled ultracold Bose gases

J Sánchez-Baena, J Boronat, F Mazzanti - Physical Review A, 2018 - APS
We present two diffusion Monte Carlo (DMC) algorithms for systems of ultracold quantum
gases featuring synthetic spin-orbit interactions. The first one is a spin-integrated DMC …

Functional-renormalization-group aided density functional analysis for the correlation energy of the two-dimensional homogeneous electron gas

T Yokota, T Naito - Physical Review B, 2019 - APS
The functional-renormalization-group aided density functional theory (FRG-DFT) is applied
to the two-dimensional homogeneous electron gas (2DHEG). The correlation energy of the …

Quantum Monte Carlo study of circular quantum dots in presence of Rashba interaction

A Ambrosetti, F Pederiva, E Lipparini - Physical Review B—Condensed Matter …, 2011 - APS
We performed a quantum Monte Carlo study of a quasi-two-dimensional quantum dot built
on a semiconductor quantum well, including the effects of structure inversion asymmetry …

Generalized Stoner criterion and versatile spin ordering in two-dimensional spin-orbit coupled electron systems

WE Liu, S Chesi, D Webb, U Zülicke, R Winkler… - Physical Review B, 2017 - APS
Spin-orbit coupling is a single-particle phenomenon known to generate topological order,
and electron-electron interactions cause ordered many-body phases to exist. The rich …

Variational Monte Carlo for spin-orbit interacting systems

A Ambrosetti, PL Silvestrelli, F Toigo, L Mitas… - Physical Review B …, 2012 - APS
Recently, a diffusion Monte Carlo algorithm was applied to the study of spin-dependent
interactions in condensed matter [A. Ambrosetti, F. Pederiva, E. Lipparini, and S. Gandolfi …

Controlling hole spins in quantum dots and wells

S Chesi, XJ Wang, WA Coish - The European Physical Journal Plus, 2014 - Springer
We review recent theoretical results for hole spins influenced by spin-orbit coupling and
Coulomb interaction in two-dimensional quantum wells as well as the decoherence of single …