Decaying spectral oscillations in a Majorana wire with finite coherence length

C Fleckenstein, F Domínguez, N Traverso Ziani… - Physical Review B, 2018 - APS
Motivated by recent experiments, we investigate the excitation energy of a proximitized
Rashba wire in the presence of a position dependent pairing. In particular, we focus on the …

A short review of one-dimensional Wigner crystallization

NT Ziani, F Cavaliere, KG Becerra, M Sassetti - Crystals, 2020 - mdpi.com
The simplest possible structural transition that an electronic system can undergo is Wigner
crystallization. The aim of this short review is to discuss the main aspects of three recent …

Controlling energy storage crossing quantum phase transitions in an integrable spin quantum battery

R Grazi, D Sacco Shaikh, M Sassetti… - Physical Review Letters, 2024 - APS
We investigate the performance of a one-dimensional dimerized XY chain as a spin
quantum battery. Such integrable model shows a rich quantum phase diagram that emerges …

Topological classification of dynamical quantum phase transitions in the xy chain

S Porta, F Cavaliere, M Sassetti, N Traverso Ziani - Scientific Reports, 2020 - nature.com
Understanding the properties of far-from-equilibrium quantum systems is becoming a major
challenge of both fundamental and applied physics. For instance, the lack of thermalization …

Dynamical relaxation behaviors of a critical quench

YT Zou, C Ding - Physical Review B, 2023 - APS
We study the universal dynamical relaxation behaviors of a quantum XY chain following a
quench, paying special attention to the case in which the initial state is a critical ground …

[HTML][HTML] Characterization of a two-photon quantum battery: Initial conditions, stability and work extraction

A Delmonte, A Crescente, M Carrega, D Ferraro… - Entropy, 2021 - mdpi.com
We consider a quantum battery that is based on a two-level system coupled with a cavity
radiation by means of a two-photon interaction. Various figures of merit, such as stored …

Andreev spectrum and supercurrents in nanowire-based SNS junctions containing Majorana bound states

J Cayao, AM Black-Schaffer, E Prada… - Beilstein journal of …, 2018 - beilstein-journals.org
Hybrid superconductor–semiconductor nanowires with Rashba spin–orbit coupling are
arguably becoming the leading platform for the search of Majorana bound states (MBSs) in …

[HTML][HTML] Phase diagram of the topologically frustrated XY chain

D Sacco Shaikh, AG Catalano, F Cavaliere… - The European Physical …, 2024 - Springer
Landau theory's implicit assumption that microscopic details cannot affect the global phases
has been challenged only recently in systems such as antiferromagnetic quantum spin …

Conductance signatures of odd-frequency superconductivity in quantum spin Hall systems using a quantum point contact

C Fleckenstein, NT Ziani, B Trauzettel - Physical Review B, 2018 - APS
Topological superconductors give rise to unconventional superconductivity, which is mainly
characterized by the symmetry of the superconducting pairing amplitude. However, since the …

Light-cone velocities after a global quench in a noninteracting model

K Najafi, MA Rajabpour, J Viti - Physical Review B, 2018 - APS
We study the light-cone velocity for global quenches in the noninteracting XY chain starting
from a class of initial states that are eigenstates of the local z component of the spin. We …