Modern approaches to exact diagonalization and selected configuration interaction with the adaptive sampling CI method

NM Tubman, CD Freeman, DS Levine… - Journal of chemical …, 2020 - ACS Publications
Recent advances in selected configuration interaction methods have made them competitive
with the most accurate techniques available and, hence, creating an increasingly powerful …

Wang-Landau method for calculating Rényi entropies in finite-temperature quantum Monte Carlo simulations

S Inglis, RG Melko - Physical Review E—Statistical, Nonlinear, and Soft …, 2013 - APS
We implement a Wang-Landau sampling technique in quantum Monte Carlo (QMC)
simulations for the purpose of calculating the Rényi entanglement entropies and associated …

From ansätze to Z-gates: A NASA view of quantum computing

EG Rieffel, S Hadfield, T Hogg, S Mandrà… - Future Trends of …, 2019 - ebooks.iospress.nl
For the last few years, the NASA Quantum Artificial Intelligence Laboratory (QuAIL) has been
performing research to assess the potential impact of quantum computers on challenging …

Entanglement and the fermion sign problem in auxiliary field quantum Monte Carlo simulations

P Broecker, S Trebst - Physical Review B, 2016 - APS
Quantum Monte Carlo simulations of fermions are hampered by the notorious sign problem
whose most striking manifestation is an exponential growth of sampling errors with the …

Spatial entanglement entropy in the ground state of the Lieb-Liniger model

CM Herdman, PN Roy, RG Melko, A Del Maestro - Physical Review B, 2016 - APS
We consider the entanglement between two spatial subregions in the Lieb-Liniger model of
bosons in one spatial dimension interacting via a contact interaction. Using ground-state …

Entanglement in topological systems

M Hermanns - arxiv preprint arxiv:1702.01525, 2017 - arxiv.org
These lecture notes on entanglement in topological systems are part of the 48th IFF Spring
School 2017 on Topological Matter: Topological Insulators, Skyrmions and Majoranas at the …

Rényi entropy perspective on topological order in classical toric code models

J Helmes, JM Stéphan, S Trebst - Physical Review B, 2015 - APS
Concepts of information theory are increasingly used to characterize collective phenomena
in condensed matter systems, such as the use of entanglement entropies to identify …

Quantum dissection of a covalent bond with the entanglement spectrum

NM Tubman, DCM Yang - arxiv preprint arxiv:1412.1495, 2014 - arxiv.org
We propose that spatial density matrices, which are singularly important in the study of
quantum entanglement, encode the electronic fluctuations and correlations responsible for …

Computational methods for the measurement of entanglement in condensed matter systems

AB Kallin - 2014 - uwspace.uwaterloo.ca
At the interface of quantum information and condensed matter physics, the study of
entanglement in quantum many-body systems requires a new toolset which combines …

Path Integral Monte Carlo for Entanglement in Bosonic Lattices at T= 0

E Casiano-Diaz - 2023 - trace.tennessee.edu
Abstract Path-Integral Monte Carlo Worm Algorithm is one of many Quantum Monte Carlo
(QMC) methods that serve as powerful tools for the simulation of quantum many-body …