Symmetry-resolved entanglement in a long-range free-fermion chain

F Ares, S Murciano, P Calabrese - Journal of Statistical …, 2022 - iopscience.iop.org
We investigate the symmetry resolution of entanglement in the presence of long-range
couplings. To this end, we study the symmetry-resolved entanglement entropy in the ground …

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 …

The impact of different unravelings in a monitored system of free fermions

G Piccitto, D Rossini, A Russomanno - The European Physical Journal B, 2024 - Springer
We consider a free-fermion chain undergoing dephasing, described by two different random-
measurement protocols (unravelings): a quantum-state-diffusion and a quantum-jump one …

Topological phases of tight-binding trimer lattice in the BDI symmetry class

M Ghuneim, RW Bomantara - Journal of Physics: Condensed …, 2024 - iopscience.iop.org
In this work, we theoretically study a modified Su-Schrieffer-Heeger (SSH) model in which
each unit cell consists of three sites. Unlike existing extensions of the SSH model which are …

Topological kolmogorov complexity and the Berezinskii-Kosterlitz-Thouless mechanism

V Vitale, T Mendes-Santos, A Rodriguez, M Dalmonte - Physical Review E, 2024 - APS
Topology plays a fundamental role in our understanding of many-body physics, from vortices
and solitons in classical field theory to phases and excitations in quantum matter …

Long-range entanglement and topological excitations

G Torre, J Odavić, P Fromholz, SM Giampaolo… - SciPost Physics …, 2024 - scipost.org
Topological order comes in different forms, and its classification and detection is an
important field of modern research. In this work, we show that the Disconnected …

Correlations, long-range entanglement, and dynamics in long-range Kitaev chains

G Francica, L Dell'Anna - Physical Review B, 2022 - APS
Long-range interactions exhibit surprising features which have been less explored so far.
Here, studying a one-dimensional fermionic chain with long-range hop** and pairing, we …

Detecting topological phase transitions through entanglement between disconnected partitions in a Kitaev chain with long-range interactions

S Mondal, S Bandyopadhyay, S Bhattacharjee, A Dutta - Physical Review B, 2022 - APS
We explore the behavior of the disconnected entanglement entropy (DEE) across the
topological phases of a long-range interacting Kitaev chain where the long-range …

Entanglement of edge modes in (very) strongly correlated topological insulators

N Ara, R Basu, E Mathew… - Journal of Physics …, 2024 - iopscience.iop.org
Identifying topological phases for a strongly correlated theory remains a non-trivial task, as
defining order parameters, such as Berry phases, is not straightforward. Quantum …

Topological squashed entanglement: Nonlocal order parameter for one-dimensional topological superconductors

A Maiellaro, A Marino, F Illuminati - Physical Review Research, 2022 - APS
Identifying entanglement-based order parameters characterizing topological systems, in
particular topological superconductors and topological insulators, has remained a major …