Quantum entanglement in condensed matter systems

N Laflorencie - Physics Reports, 2016 - Elsevier
This review focuses on the field of quantum entanglement applied to condensed matter
physics systems with strong correlations, a domain which has rapidly grown over the last …

Colloquium: Area laws for the entanglement entropy

J Eisert, M Cramer, MB Plenio - Reviews of modern physics, 2010 - APS
Physical interactions in quantum many-body systems are typically local: Individual
constituents interact mainly with their few nearest neighbors. This locality of interactions is …

Scaling of entanglement entropy at deconfined quantum criticality

J Zhao, YC Wang, Z Yan, M Cheng, ZY Meng - Physical Review Letters, 2022 - APS
We develop a nonequilibrium increment method to compute the Rényi entanglement
entropy and investigate its scaling behavior at the deconfined critical (DQC) point via large …

Classical correlation and quantum discord in critical systems

MS Sarandy - Physical Review A—Atomic, Molecular, and Optical …, 2009 - APS
We discuss the behavior of quantum and classical pairwise correlations in critical systems,
with the quantumness of the correlations measured by the quantum discord. We analytically …

Area laws for the entanglement entropy-a review

J Eisert, M Cramer, MB Plenio - arXiv preprint arXiv:0808.3773, 2008 - arxiv.org
Physical interactions in quantum many-body systems are typically local: Individual
constituents interact mainly with their few nearest neighbors. This locality of interactions is …

Simulation of two-dimensional quantum systems using a tree tensor network that exploits the entropic area law

L Tagliacozzo, G Evenbly, G Vidal - Physical Review B—Condensed Matter …, 2009 - APS
This work explores the use of a tree tensor network ansatz to simulate the ground state of a
local Hamiltonian on a two-dimensional lattice. By exploiting the entropic area law, the tree …

A short review on entanglement in quantum spin systems

JI Latorre, A Riera - Journal of physics a: mathematical and …, 2009 - iopscience.iop.org
We review some of the recent progress on the study of entropy of entanglement in many-
body quantum systems. Emphasis is placed on the scaling properties of entropy for one …

Entanglement equipartition in critical random spin chains

X Turkeshi, P Ruggiero, V Alba, P Calabrese - Physical Review B, 2020 - APS
The reduced density matrix of many-body systems possessing an additive conserved
quantity can be decomposed in orthogonal sectors which can be independently analyzed …

Measuring Rényi entanglement entropy with high efficiency and precision in quantum Monte Carlo simulations

J Zhao, BB Chen, YC Wang, Z Yan, M Cheng… - npj Quantum …, 2022 - nature.com
We develop a nonequilibrium increment method in quantum Monte Carlo simulations to
obtain the Rényi entanglement entropy of various quantum many-body systems with high …

Entanglement negativity in random spin chains

P Ruggiero, V Alba, P Calabrese - Physical Review B, 2016 - APS
We investigate the logarithmic negativity in strongly disordered spin chains in the random-
singlet phase. We focus on the spin-1 2 random Heisenberg chain and the random XX …