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 …
Efficient Implementation of Discrete-Time Quantum Walks on Quantum Computers
Quantum walks have proven to be a universal model for quantum computation and to
provide speed-up in certain quantum algorithms. The discrete-time quantum walk (DTQW) …
provide speed-up in certain quantum algorithms. The discrete-time quantum walk (DTQW) …
Quantum magnetometry using discrete-time quantum walk
K Shukla, CM Chandrashekar - Physical Review A, 2024 - APS
Quantum magnetometry uses quantum resources to measure magnetic fields with a
precision and accuracy that cannot be achieved by its classical counterparts. In this paper …
precision and accuracy that cannot be achieved by its classical counterparts. In this paper …
Enhancing Knapsack-Based Financial Portfolio Optimization Using Quantum Approximate Optimization Algorithm
Portfolio optimization is a primary component of the decision-making process in finance,
aiming to tactfully allocate assets to achieve optimal returns while considering various …
aiming to tactfully allocate assets to achieve optimal returns while considering various …
Efficient implementation of discrete-time quantum walks in NISQ devices
L Razzoli, G Cenedese, M Bondani… - arXiv preprint arXiv …, 2024 - arxiv.org
Quantum walks have proven to be a universal model for quantum computation and to
provide speed-up in certain quantum algorithms. The discrete-time quantum walk (DTQW) …
provide speed-up in certain quantum algorithms. The discrete-time quantum walk (DTQW) …
Accelerated first detection in discrete-time quantum walks using sharp restarts
Restart is a common strategy observed in nature that accelerates first-passage processes
and has been extensively studied using classical random walks. In the quantum regime …
and has been extensively studied using classical random walks. In the quantum regime …
Photon-Number Conserved Universal Quantum Logic Employing Continuous-Time Quantum Walk on Dual-Rail Qubit Arrays
HY Guan, Y Li, XH Deng - arXiv preprint arXiv:2501.08904, 2025 - arxiv.org
We demonstrate a synergy between dual-rail qubit encoding and continuous-time quantum
walks (CTQW) to realize universal quantum logic in superconducting circuits. Utilizing the …
walks (CTQW) to realize universal quantum logic in superconducting circuits. Utilizing the …
Superposition of causal order in quantum walks: non-Markovianity and causal asymmetry
We set the criteria for a quantum walk to exhibit nontrivial dynamics when placed in an
indefinite causal order and study two-period quantum walks when the evolution operators …
indefinite causal order and study two-period quantum walks when the evolution operators …
Empirical Analysis of Quantum Approximate Optimization Algorithm for Knapsack-based Financial Portfolio Optimization
Portfolio optimization is a primary component of the decision-making process in finance,
aiming to tactfully allocate assets to achieve optimal returns while considering various …
aiming to tactfully allocate assets to achieve optimal returns while considering various …
Quantum walks in polycyclic aromatic hydrocarbons
P Chawla, CM Chandrashekar - New Journal of Physics, 2021 - iopscience.iop.org
Aromaticity is a well-known phenomenon in both physics and chemistry, and is responsible
for many unique chemical and physical properties of aromatic molecules. The primary …
for many unique chemical and physical properties of aromatic molecules. The primary …