Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Reminiscence of Classical Chaos in Driven Transmons
Joachim Cohen, A. Petrescu, R. Shillito +1 more·Jul 19, 2022
Transmon qubits are ubiquitously used in superconducting quantum information processor architectures. Strong drives are required to realize fast, high-fidelity, gates and measurements, including parametrically activated processes. Here, we show that ...
Comparative Benchmark of a Quantum Algorithm for the Bin Packing Problem
Mikel Garcia de Andoin, I. Oregi, Esther Villar-Rodriguez +2 more·Jul 15, 2022
The Bin Packing Problem (BPP) stands out as a paradigmatic combinatorial optimization problem in logistics. Quantum and hybrid quantum-classical algorithms are expected to show an advantage over their classical counterparts in obtaining approximate s...
Quantum Data Reduction with Application to Video Classification
Kostas Blekos, D. Kosmopoulos·Jul 13, 2022
We investigate a quantum data reduction technique with application to video classification. A hybrid quantum-classical step performs data reduction on the video dataset generating “representative” distributions for each video class. These distributio...
Distributed Shor's algorithm
Li Xiao, Daowen Qiu, Leon Luo +1 more·Jul 13, 2022
Shor's algorithm is one of the most important quantum algorithm proposed by Peter Shor [Proceedings of the 35th Annual Symposium on Foundations of Computer Science, 1994, pp. 124--134]. Shor's algorithm can factor a large integer with certain probabi...
Multi-Objective Evolutionary Architecture Search for Parameterized Quantum Circuits
Lidong Ding, L. Spector·Jul 9, 2022
Recent advancements in quantum computing have shown promising computational advantages in many problem areas. As one of those areas with increasing attention, hybrid quantum-classical machine learning systems have demonstrated the capability to solve...
Hybrid quantum-classical algorithms in the noisy intermediate-scale quantum era and beyond
A. Callison, N. Chancellor·Jul 8, 2022
Hybrid quantum-classical algorithms are central to much of the current research in quantum computing, particularly when considering the noisy intermediate-scale quantum (NISQ) era, with a number of experimental demonstrations having already been perf...
Unitary partitioning and the contextual subspace variational quantum eigensolver
Alexis Ralli, Tim Weaving, A. Tranter +3 more·Jul 7, 2022
The contextual subspace variational quantum eigensolver (CS-VQE) is a hybrid quantum-classical algorithm that approximates the ground-state energy of a given qubit Hamiltonian. It achieves this by separating the Hamiltonian into contextual and noncon...
Quantum Computing for Rotating, Charged and String Theory Black Holes
V. Chandra, M. McGuigan·Jul 7, 2022
The quantum mechanics of Rotating, Charged, de Sitter and String Theory black holes are of recent interest because of their peculiar thermodynamic properties, as well the mysterious nature of their microstates. A full quantum treatment of the operato...
Entanglement structure in the volume-law phase of hybrid quantum automaton circuits
Yi-Fan Han, Xiao Chen·Jul 5, 2022
We study entanglement fluctuations and quantum error correction in the weakly monitored volume-law phase of quantum automaton circuits subject to repeated local measurements. We numerically observe that the entanglement entropy exhibits strong fluctuat...
Distributed Quantum Computing with Photons and Atomic Memories
E. Oh, Xuanying Lai, J. Wen +1 more·Jul 5, 2022
The promise of universal quantum computing requires scalable single‐ and inter‐qubit control interactions. Currently, three of the leading candidate platforms for quantum computing are based on superconducting circuits, trapped ions, and neutral atom...
Reproducibility and control of superconducting flux qubits
T. Chang, I. Holzman, T. Cohen +3 more·Jul 4, 2022
Superconducting flux qubits are promising candidates for the physical realization of a scalable quantum processor. Indeed, these circuits may have both a small decoherence rate and a large anharmonicity. These properties enable the application of fas...
Quantum Computation for Pricing Caps using the LIBOR Market Model
Hao Tang, Wensheng Wu, Xian-min Jin·Jul 4, 2022
The LIBOR Market Model (LMM) is a widely used model for pricing interest rate derivatives. While the Black-Scholes model is well-known for pricing stock derivatives such as stock options, a larger portion of derivatives are based on interest rates in...
ScaleQC: A Scalable Framework for Hybrid Computation on Quantum and Classical Processors
Wei Tang, M. Martonosi·Jul 3, 2022
Quantum processing unit (QPU) has to satisfy highly demanding quantity and quality requirements on its qubits to produce accurate results for problems at useful scales. Fur-thermore, classical simulations of quantum circuits generally do not scale. I...
Evaluating the Q-score of Quantum Annealers
Ward van der Schoot, D. Leermakers, R. Wezeman +2 more·Jul 1, 2022
We report the Atos Q-score for D-Wave’s quantum devices, classical algorithms and hybrid quantum-classical solver. Computing the Q-score entails solving the Max-Cut problem for increasingly large graphs. This work presents the first computation of th...
Automatic Depth Optimization for Quantum Approximate Optimization Algorithm
Y. Pan, Yi-Xiang Tong, Yi Yang·Jun 29, 2022
Quantum Approximate Optimization Algorithm (QAOA) is a hybrid algorithm whose control parameters are classically optimized. In addition to the variational parameters, the right choice of hyperparameter is crucial for improving the performance of any ...
Optimization of Sensor-Placement on Vehicles using Quantum-Classical Hybrid Methods
Sayantani Pramanik, Vishnu Vaidya, Gajendra Malviya +6 more·Jun 29, 2022
The paper presents a quantum method to optimize the placement of sensors on the surface of a vehicle. The problem, as posted in the BMW Quantum Computing Challenge 2021, is to arrive at the optimal positions and configurations (type and orientation) ...
Towards Turing-Complete Quantum Computing Coming From Classical Assembler
Thomas Gabor, M. Rosenfeld, Claudia Linnhoff-Popien·Jun 28, 2022
—Instead of producing quantum languages that are fit for current quantum computers, we build a language from standard classical assembler and augment it with quantum capabilities so that quantum algorithms become a subset of it. This paves the way for...
Tripartite high-dimensional magnon-photon entanglement in PT -symmetry broken phases of a non-Hermitian hybrid system
Jin-Xuan Han, Jinling Wang, Yan Xia +2 more·Jun 26, 2022
Hybrid systems that combine spin ensembles and superconducting circuits provide a promising platform for implementing quantum information processing. We propose a non-Hermitian magnon-circuit-QED hybrid model consisting of two cavities and an yttrium...
Advancing hybrid quantum–classical computation with real-time execution
Thomas Lubinski, Cassandra Granade, Amos G. Anderson +4 more·Jun 26, 2022
The use of mid-circuit measurement and qubit reset within quantum programs has been introduced recently and several applications demonstrated that perform conditional branching based on these measurements. In this work, we go a step further and descr...
Exploring ab initio machine synthesis of quantum circuits
Richard Meister, Cica Gustiani, S. Benjamin·Jun 22, 2022
Gate-level quantum circuits are often derived manually from higher level algorithms. While this suffices for small implementations and demonstrations, ultimately automatic circuit design will be required to realise complex algorithms using hardware-s...