Gary J. Mooney
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View article: An Optimization-Free Recursive QAOA for the Binary Paint Shop Problem
An Optimization-Free Recursive QAOA for the Binary Paint Shop Problem Open
The classical outer optimisation loop of the classical-quantum hybrid Quantum Approximate Optimisation Algorithm (QAOA) can be bypassed by transferring precomputed parameters to larger unseen problem instances using the parameter concentra…
View article: Hybrid quantum optimization in the context of minimizing traffic congestion
Hybrid quantum optimization in the context of minimizing traffic congestion Open
Traffic optimization on roads is a highly complex problem, with one important aspect being minimization of traffic congestion. By mapping to an Ising formulation of the traffic congestion problem, we benchmark solutions obtained from the Q…
View article: Entanglement teleportation along a regenerating hamster-wheel graph state
Entanglement teleportation along a regenerating hamster-wheel graph state Open
We scheme an efficient and reusable approach to quantum teleportation that allows cyclic teleportation of a two-qubit graph state around a quantum hamster wheel -- a ring of qubits entangled as a one-dimensional line prepared on the 20-qub…
View article: Quantum autoencoders using mixed reference states
Quantum autoencoders using mixed reference states Open
One of the fundamental tasks in quantum information theory is quantum data compression, which can be realized via quantum autoencoders that first compress quantum states to low-dimensional ones and then recover to the original ones with a …
View article: Characterization of entanglement on superconducting quantum computers of up to 414 qubits
Characterization of entanglement on superconducting quantum computers of up to 414 qubits Open
As quantum technology advances and the size of quantum computers grow, it becomes increasingly important to understand the extent of quality in the devices. As large-scale entanglement is a quantum resource crucial for achieving quantum ad…
View article: Teleporting two-qubit entanglement across 19 qubits on a superconducting quantum computer
Teleporting two-qubit entanglement across 19 qubits on a superconducting quantum computer Open
Quantum teleportation is not merely a fascinating corollary of quantum entanglement, it also finds utility in quantum processing and circuit compilation. In this paper, we measure and track the entanglement and fidelity of two-qubit states…
View article: A Fast and Adaptable Algorithm for Optimal Multi-Qubit Pathfinding in Quantum Circuit Compilation
A Fast and Adaptable Algorithm for Optimal Multi-Qubit Pathfinding in Quantum Circuit Compilation Open
Quantum computing has the potential to significantly enhance our ability to simulate and solve complex, classically intractable problems across various fields of research and industry. However, we are currently in the noisy intermediate-sc…
View article: A two-stage solution to quantum process tomography: error analysis and optimal design
A two-stage solution to quantum process tomography: error analysis and optimal design Open
Quantum process tomography is a critical task for characterizing the dynamics of quantum systems and achieving precise quantum control. In this paper, we propose a two-stage solution for both trace-preserving and non-trace-preserving quant…
View article: Characterization of entanglement on superconducting quantum computers of up to 414 qubits
Characterization of entanglement on superconducting quantum computers of up to 414 qubits Open
As quantum technology advances and the size of quantum computers grow, it becomes increasingly important to understand the extent of quality in the devices. As large-scale entanglement is a quantum resource crucial for achieving quantum ad…
View article: Quantum autoencoders using mixed reference states
Quantum autoencoders using mixed reference states Open
One of the fundamental tasks in quantum information theory is quantum data compression, which can be realized via quantum autoencoders that first compress quantum states to low-dimensional ones and then recover to the original ones with a …
View article: Generation and verification of 27-qubit Greenberger-Horne-Zeilinger states in a superconducting quantum computer
Generation and verification of 27-qubit Greenberger-Horne-Zeilinger states in a superconducting quantum computer Open
Generating and detecting genuine multipartite entanglement (GME) of sizeable quantum states prepared on physical devices is an important benchmark for highlighting the progress of near-term quantum computers. A common approach to certify G…
View article: Mapping NP-Hard Problems to Restricted Adiabatic Quantum Architectures
Mapping NP-Hard Problems to Restricted Adiabatic Quantum Architectures Open
We introduce a framework for mapping NP-Hard problems to adiabatic quantum computing (AQC) architectures that are heavily restricted in both connectivity and dynamic range of couplings, for which minor-embedding -- the standard problem map…