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 …

General Relationship between the Entanglement Spectrum and the Edge State Spectrum<? format?> of Topological Quantum States

XL Qi, H Katsura, AWW Ludwig - Physical review letters, 2012 - APS
We consider (2+ 1)-dimensional topological quantum states which possess edge states
described by a chiral (1+ 1)-dimensional conformal field theory, such as, eg, a general …

Universal properties of dissipative Tomonaga-Luttinger liquids: Case study of a non-Hermitian XXZ spin chain

K Yamamoto, M Nakagawa, M Tezuka, M Ueda… - Physical Review B, 2022 - APS
We demonstrate the universal properties of dissipative Tomonaga-Luttinger (TL) liquids by
calculating correlation functions and performing finite-size scaling analysis of a non …

Bipartite fluctuations as a probe of many-body entanglement

HF Song, S Rachel, C Flindt, I Klich, N Laflorencie… - Physical Review B …, 2012 - APS
We investigate in detail the behavior of the bipartite fluctuations of particle number N ̂ and
spin S ̂ z in many-body quantum systems, focusing on systems where such U (1) charges …

System-environment entanglement phase transitions

Y Ashida, S Furukawa, M Oshikawa - Physical Review B, 2024 - APS
Entanglement in quantum many-body systems can exhibit universal phenomena governed
by long-distance properties. We study universality and phase transitions of the entanglement …

Quantum critical behavior influenced by measurement backaction in ultracold gases

Y Ashida, S Furukawa, M Ueda - Physical Review A, 2016 - APS
Recent realizations of quantum gas microscopy offer the possibility of continuous monitoring
of the dynamics of a quantum many-body system at the single-particle level. By analyzing …

Entanglement entropy from charge statistics: Exact relations for noninteracting many-body systems

HF Song, C Flindt, S Rachel, I Klich, K Le Hur - Physical Review B …, 2011 - APS
We present an exact expression for the entanglement entropy generated at a quantum point
contact between noninteracting electronic leads in terms of the full counting statistics of …

Renormalized entanglement entropy

M Taylor, W Woodhead - Journal of High Energy Physics, 2016 - Springer
A bstract We develop a renormalization method for holographic entanglement entropy
based on area renormalization of entangling surfaces. The renormalized entanglement en …

Complex fixed points of the non-Hermitian Kondo model in a Luttinger liquid

SE Han, DJ Schultz, YB Kim - Physical Review B, 2023 - APS
Non-Hermitian physics in open quantum many-body systems provides novel opportunities
for the discovery of exotic quantum phenomena unexpected in Hermitian systems. A …

Universality in the tripartite information after global quenches:(generalised) quantum XY models

V Marić, M Fagotti - Journal of High Energy Physics, 2023 - Springer
A bstract We consider the Rényi-α tripartite information\({I} _3^{\left (\alpha\right)}\) of three
adjacent subsystems in the stationary state emerging after global quenches in …