Multiparticle quantum walks and fisher information in one-dimensional lattices
Recent experiments on quantum walks (QWs) demonstrated a full control over the statistics-
dependent walks of single particles and two particles in one-dimensional lattices. However …
dependent walks of single particles and two particles in one-dimensional lattices. However …
Coin dimensionality as a resource in quantum metrology involving discrete-time quantum walks
We address metrological problems where the parameter of interest is encoded in the
internal degree of freedom of a discrete-time quantum walker, and provide evidence that …
internal degree of freedom of a discrete-time quantum walker, and provide evidence that …
Controllable quantum walks, gravitational constant, and Casimir energy in one-dimensional three-boson systems with on-site interactions
H Yang, P Qin - Physical Review B, 2024 - APS
This study scrutinizes one-dimensional three-boson systems with on-site interactions,
delving into perturbation theory, continuous-time quantum walks, and quantum Fisher …
delving into perturbation theory, continuous-time quantum walks, and quantum Fisher …
Multiparameter quantum metrology with discrete-time quantum walks
We address multiparameter quantum estimation for one-dimensional discrete-time quantum
walks and its applications to quantum metrology. We use the quantum walker as a probe for …
walks and its applications to quantum metrology. We use the quantum walker as a probe for …
Quantum-classical distance as a tool to design optimal chiral quantum walks
Continuous-time quantum walks (CTQWs) provide a valuable model for quantum transport,
universal quantum computation, and quantum spatial search, among others. Recently, the …
universal quantum computation, and quantum spatial search, among others. Recently, the …
Phase estimation in driven discrete-time quantum walks
Quantum walks have been shown to be important for quantum metrological tasks, in
particular for the estimation of the evolution parameters of the walk. In this work, we address …
particular for the estimation of the evolution parameters of the walk. In this work, we address …
Continuous-Time Quantum Walk in Glued Trees: Localized State-Mediated Almost Perfect Quantum-State Transfer
In this work, the dynamics of a quantum walker on glued trees is revisited to understand the
influence of the architecture of the graph on the efficiency of the transfer between the two …
influence of the architecture of the graph on the efficiency of the transfer between the two …
Realizing Topological Quantum Walks on NISQ Digital Quantum Hardware
We study the quantum walk on the off-diagonal Aubry-Andre-Harper (AAH) lattice with
quasiperiodic modulation using a digital quantum computer. Our investigation starts with …
quasiperiodic modulation using a digital quantum computer. Our investigation starts with …
Resonant weak-value enhancement for solid-state quantum metrology
Quantum metrology that employs weak values can potentially effectuate parameter
estimation with an ultrahigh sensitivity and has been typically explored across quantum …
estimation with an ultrahigh sensitivity and has been typically explored across quantum …
Quantum walk continui nel tempo per le tecnologie quantistiche: stima quantistica e modellizzazione di fenomeni di trasporto
L Razzoli - 2022 - iris.unimore.it
Quantum walks are the quantum counterpart of classical random walks and describe the
motion of a quantum walker when confined to discrete spatial locations. The quantum nature …
motion of a quantum walker when confined to discrete spatial locations. The quantum nature …