Topological gap solitons in Rabi Su-Schrieffer-Heeger lattices

C Li, YV Kartashov - Physical Review B, 2023 - APS
Topological insulators are unique materials possessing forbidden topological gap and
behaving similar to usual insulators in their bulk, but at the same time supporting localized in …

Superconducting diode effect in topological hybrid structures

T Karabassov, ES Amirov, IV Bobkova, AA Golubov… - Condensed …, 2023 - mdpi.com
Currently, the superconducting diode effect (SDE) is being actively discussed, due to its
large application potential in superconducting electronics. In particular, superconducting …

Hallmarks of orbital-flavored Majorana states in Josephson junctions based on oxide nanochannels

A Maiellaro, J Settino, C Guarcello, F Romeo, R Citro - Physical Review B, 2023 - APS
We investigate the topological properties of a Josephson junction obtained by constraining a
two-dimensional electron gas at the oxide interface to form a quasi-one-dimensional …

Edge states, Majorana fermions, and topological order in superconducting wires with generalized boundary conditions

A Maiellaro, F Romeo, F Illuminati - Physical Review B, 2022 - APS
We study the properties of one-dimensional topological superconductors under the
influence of generic boundary conditions mimicking the coupling with external …

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 …

Resilience of topological superconductivity under particle current

A Maiellaro, F Romeo, F Illuminati, R Citro - Physical Review B, 2023 - APS
We investigate the robustness of topological superconductors under the perturbing influence
of a finite charge current. To this aim, we introduce a modified Kitaev Hamiltonian …

Squashed entanglement in one-dimensional quantum matter

A Maiellaro, F Romeo, R Citro, F Illuminati - Physical Review B, 2023 - APS
Squashed entanglement and its universal upper bound, the quantum conditional mutual
information, are faithful measures of bipartite quantum correlations defined in terms of …

Topological Phases of an Interacting Majorana Benalcazar–Bernevig–Hughes Model

A Maiellaro, F Illuminati, R Citro - Condensed Matter, 2022 - mdpi.com
We study the effects of Coulomb repulsive interactions on a Majorana Benalcazar–Bernevig–
Huges (MBBH) model. The MBBH model belongs to the class of second-order topological …

Mixed higher-order topology, and nodal and nodeless flat band topological phases in a superconducting multiorbital model

R Arouca, T Nag, AM Black-Schaffer - Physical Review B, 2024 - APS
We investigate the topological phases that appear in an orbital version of the Benalcazar-
Bernevig-Hughes (BBH) model in the presence of conventional spin-singlet s-wave …

Topological phase transitions of semimetal states in effective field theory models

X Ji, YW Sun - The European Physical Journal Plus, 2024 - Springer
Effective relativistic field theory models capable of realizing various gapless topological
states are presented in this work. We study the topological phase transitions of the Weyl and …