Anomalous skin effects in disordered systems with a single non-Hermitian impurity

P Molignini, O Arandes, EJ Bergholtz - Physical Review Research, 2023 - APS
We explore anomalous skin effects at non-Hermitian impurities by studying their interplay
with potential disorder and by exactly solving a minimal lattice model. A striking feature of …

Charge-resolved entanglement in the presence of topological defects

DX Horváth, S Fraenkel, S Scopa, C Rylands - Physical Review B, 2023 - APS
Topological excitations or defects such as solitons are ubiquitous throughout physics,
supporting numerous interesting phenomena like zero-energy modes with exotic statistics …

Extensive long-range entanglement at finite temperatures from a nonequilibrium bias

S Fraenkel, M Goldstein - Physical Review B, 2024 - APS
Thermal equilibrium states of local quantum many-body systems are notorious for their
spatially decaying correlations, which place severe restrictions on the types of many-body …

Full counting statistics and symmetry resolved entanglement for free conformal theories with interface defects

L Capizzi, S Murciano… - Journal of Statistical …, 2023 - iopscience.iop.org
We consider the ground state of two species of one-dimensional critical free theories
coupled together via a conformal interface. They have an internal U (1) global symmetry and …

Transport and entanglement across integrable impurities from generalized hydrodynamics

C Rylands, P Calabrese - Physical Review Letters, 2023 - APS
Quantum impurity models (QIMs) are ubiquitous throughout physics. As simplified toy
models they provide crucial insights for understanding more complicated strongly correlated …

Generalized Hydrodynamic Description of the Page Curve–like Dynamics of a Freely Expanding Fermionic Gas

M Saha, M Kulkarni, A Dhar - Physical Review Letters, 2024 - APS
We consider an analytically tractable model that exhibits the main features of the Page curve
characterizing the evolution of entanglement entropy during evaporation of a black hole. Our …

Zero-mode entanglement across a conformal defect

L Capizzi, V Eisler - Journal of Statistical Mechanics: Theory and …, 2023 - iopscience.iop.org
We consider a free-fermion chain with a conformal defect that features an extended zero
mode, and study the entanglement properties in its mixed ground state. The zero-mode …

Time evolution of entanglement entropy after quenches in two-dimensional free fermion systems: A dimensional reduction treatment

S Yamashika, F Ares, P Calabrese - Physical Review B, 2024 - APS
We study the time evolution of the Rényi entanglement entropies following a quantum
quench in a two-dimensional (2D) free fermion system. By employing dimensional reduction …

Stationary time correlations for fermions after a quench in the presence of an impurity

G Gouraud, P Le Doussal, G Schehr - Europhysics Letters, 2023 - iopscience.iop.org
We consider the quench dynamics of non-interacting fermions in one dimension in the
presence of a finite-size impurity at the origin. This impurity is characterized by general …

Thermal entanglement in conformal junctions

L Capizzi, A Rotaru - Journal of High Energy Physics, 2024 - Springer
A bstract We consider a quantum junction described by a 1+ 1-dimensional boundary
conformal field theory (BCFT). Our analysis focuses on correlations emerging at finite …