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 Phase Diagram of an Interacting Kitaev Chain: Mean Field versus DMRG Study

G Nunziante, A Maiellaro, C Guarcello, R Citro - Condensed Matter, 2024 - mdpi.com
In this work, we study the topological phase transitions of a Kitaev chain generalized by the
addition of nearest-neighbor Coulomb interaction. We show the presence of a robust …

Effects of Nontrivial Topology on Neutron Star Rotation and its Potential Observational Implications

D Kuzur - arxiv preprint arxiv:2411.08820, 2024 - arxiv.org
Rotational irregularities are one of the prominent observational features that most pulsars
exhibit. These glitches, which are sudden increases in spin angular velocity, remains an …