Long-range interacting quantum systems
In this review recent investigations are summarized of many-body quantum systems with
long-range interactions, which are currently realized in Rydberg atom arrays, dipolar …
long-range interactions, which are currently realized in Rydberg atom arrays, dipolar …
Topological edge modes and phase transitions in a critical fermionic chain with long-range interactions
Long-range interactions can fundamentally alter properties in gapped topological phases
such as emergent massive edge modes. However, recent research has shifted attention to …
such as emergent massive edge modes. However, recent research has shifted attention to …
Localization-driven quantum sensing
We show that the delocalization-localization transition in quantum many-body (QMB)
systems are a compelling quantum resource for achieving quantum-enhanced sensitivity in …
systems are a compelling quantum resource for achieving quantum-enhanced sensitivity in …
Quantum criticality and universality in the -wave-paired Aubry-André-Harper model
We investigate the quantum criticality and universality in Aubry-André-Harper (AAH) model
with p-wave superconducting pairing Δ in terms of the generalized fidelity susceptibility …
with p-wave superconducting pairing Δ in terms of the generalized fidelity susceptibility …
Localization and multifractal properties of the long-range Kitaev chain in the presence of an Aubry-André-Harper modulation
In the presence of quasiperiodic potentials, the celebrated Kitaev chain presents an
intriguing phase diagram with ergodic, localized, and multifractal states. In this work, we …
intriguing phase diagram with ergodic, localized, and multifractal states. In this work, we …
Quasidisorder-induced topology
MF Madeira, PD Sacramento - Physical Review B, 2022 - APS
We study the effects of quasidisorder and Anderson disorder on a two-dimensional
topological superconductor with an applied external magnetic field. The cases of ap-wave …
topological superconductor with an applied external magnetic field. The cases of ap-wave …
Characterizing out-of-distribution generalization of neural networks: application to the disordered Su-Schrieffer-Heeger model
Abstract Machine learning (ML) is a promising tool for the detection of phases of matter.
However, ML models are also known for their black-box construction, which hinders …
However, ML models are also known for their black-box construction, which hinders …
Robust nonergodicity of the ground states in the ensemble
In various chaotic quantum many-body systems, the ground states show nontrivial athermal
behavior despite the bulk states exhibiting thermalization. Such athermal states play a …
behavior despite the bulk states exhibiting thermalization. Such athermal states play a …
Disorder-induced chiral and helical Majorana edge modes in a two-dimensional Ammann-Beenker quasicrystal
Recent research on disorder effects in topological phases in quasicrystalline systems has
received much attention. In this work, by numerically computing the (spin) Bott index and the …
received much attention. In this work, by numerically computing the (spin) Bott index and the …
Non-Hermitian Aubry-André-Harper model with short- and long-range -wave pairing
We investigate a non-Hermitian Aubry-André-Harper model with short-range as well as long-
range p-wave pairing. Here, the non-Hermiticity is introduced through the on-site potential. A …
range p-wave pairing. Here, the non-Hermiticity is introduced through the on-site potential. A …