Papers
Live trends in quantum computing research, updated daily from arXiv.
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13,711 papers in 12 months (-14% vs prior quarter)
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Near-Term Spin-Qubit Architecture Design via Multipartite Maximally Entangled States
Nikiforos Paraskevopoulos, M. Steinberg, B. Undseth +4 more·Dec 17, 2024
The design and benchmarking of quantum computer architectures traditionally rely on practical hardware restrictions, such as gate fidelities, control, and cooling. At the theoretical and software levels, numerous approaches have been proposed for ben...
Topological Quantum Spin Glass Order and its realization in qLDPC codes
Benedikt Placke, Tibor Rakovszky, N. P. Breuckmann +1 more·Dec 17, 2024
Ordered phases of matter have close connections to computation. Two prominent examples are spin glass order, with wide-ranging applications in machine learning and optimization, and topological order, closely related to quantum error correction. Here...
Modeling quantum volume using randomized benchmarking of Room-Temperature NV center quantum registers
Tom Jäger, MinSik Kwon, M. Keller +9 more·Dec 17, 2024
Accurately estimating the performance of quantum hardware is crucial for comparing different platforms and predicting the performance and feasibility of quantum algorithms and applications. In this paper, we tackle the problem of benchmarking a quant...
Classical Simulation of Circuits with Realistic Odd-Dimensional Gottesman-Kitaev-Preskill States.
C. Calcluth, O. Hahn, J. Bermejo-Vega +2 more·Dec 17, 2024
Classically simulating circuits with bosonic codes is challenging due to the prohibitive cost of simulating quantum systems with many, possibly infinite, energy levels. We propose an algorithm to simulate circuits with encoded Gottesman-Kitaev-Preski...
SentiQNF: A Novel Approach to Sentiment Analysis Using Quantum Algorithms and Neuro-Fuzzy Systems
Kshitij Dave, Nouhaila Innan, B. Behera +3 more·Dec 17, 2024
Sentiment analysis is an essential component of natural language processing, used to analyze sentiments, attitudes, and emotional tones in various contexts. It provides valuable insights into public opinion, customer feedback, and user experiences. R...
Error analysis of quantum operators written as a linear combination of permutations
A. Daskin·Dec 17, 2024
In this paper, we consider matrices given as a linear combination of permutations and analyze the impact of bit and phase flips on the perturbation of the eigenvalues. When the coefficients in the linear combination are positive, we observe that the ...
Evolutionary Optimization for Designing Variational Quantum Circuits with High Model Capacity
S. Y. Chen·Dec 17, 2024
Recent advancements in quantum computing (QC) and machine learning (ML) have garnered significant attention, leading to substantial efforts toward the development of quantum machine learning (QML) algorithms to address a variety of complex challenges...
Factoring an integer with three oscillators and a qubit
Lukas Brenner, Libor Caha, Xavier Coiteux-Roy +1 more·Dec 17, 2024
A common starting point of traditional quantum algorithm design is the notion of a universal quantum computer with a scalable number of qubits. This convenient abstraction mirrors classical computations manipulating bits. It allows for a device-indep...
Gaussian process model kernels for noisy optimization in variational quantum algorithms
Luca Arceci, V. Kuzmin, R. V. Bijnen·Dec 17, 2024
Variational Quantum Algorithms (VQAs) aim at solving classical or quantum optimization problems by optimizing parametrized trial states on a quantum device, based on the outcomes of noisy projective measurements. The associated optimization process b...
QNN-VRCS: A Quantum Neural Network for Vehicle Road Cooperation Systems
Nouhaila Innan, B. Behera, S. Al-kuwari +1 more·Dec 17, 2024
The escalating complexity of urban transportation systems, exacerbated by factors such as traffic congestion, diverse transportation modalities, and shifting commuter preferences, necessitates the development of more sophisticated analytical framewor...
Quantum community detection via deterministic elimination
Chukwudubem Umeano, Stefano Scali, O. Kyriienko·Dec 17, 2024
We propose a quantum algorithm for calculating the structural properties of complex networks and graphs. The corresponding protocol——is designed to perform large-scale community and botnet detection, where a specific subgraph of a larger graph is i...
Quantum Re-Uploading for Calorimetry: Optimized Architectures with Extended Expressivity
Léa Cassé, Bernhard Pfahringer, Albert Bifet +1 more·Dec 16, 2024
Near-term quantum machine learning must balance expressivity, optimization, and hardware constraints. We study quantum re-uploading units (QRUs) as compact circuits and compare them, at matched parameter count, to a standard mono-encoded variational ...
Error and Resource Estimates of Variational Quantum Algorithms for Solving Differential Equations Based on Runge-Kutta Methods
David Dechant, Liubov Markovich, Vedran Dunjko +1 more·Dec 16, 2024
A focus of recent research in quantum computing has been on developing quantum algorithms for differential equations solving using variational methods on near-term quantum devices. A promising approach involves variational algorithms, which combine c...
Conveyor-belt superconducting quantum computer
Francesco Cioni, Roberto Menta, Riccardo Aiudi +2 more·Dec 16, 2024
The processing unit of a solid-state quantum computer consists in an array of coupled qubits, each locally driven with on-chip microwave lines that route carefully-engineered control signals to the qubits in order to perform logical operations. This ...
Time-dependent Neural Galerkin Method for Quantum Dynamics
Alessandro Sinibaldi, Douglas Hendry, Filippo Vicentini +1 more·Dec 16, 2024
We introduce a classical computational method for quantum dynamics that relies on a global-in-time variational principle. Unlike conventional time-stepping approaches, our scheme computes the entire state trajectory over a finite time window by minim...
Quantum search in a dictionary based on fingerprinting-hashing
F. Ablayev, N. Salikhova, M. Ablayev·Dec 16, 2024
In this work, we present a quantum query algorithm for searching a word of length $m$ in an unsorted dictionary of size $n$. The algorithm uses $O(\sqrt{n})$ queries (Grover operators), like previously known algorithms. What is new is that the algori...
Learning interactions between Rydberg atoms
Olivier Simard, Anna Dawid, Joseph Tindall +3 more·Dec 16, 2024
Quantum simulators have the potential to solve quantum many-body problems that are beyond the reach of classical computers, especially when they feature long-range entanglement. To fulfill their prospects, quantum simulators must be fully controllabl...
Quantum sampling on a quantum annealer for large volumes in the strong coupling limit for gauge group U(3)
Jangho Kim, Thomas Luu, Wolfgang Unger·Dec 16, 2024
In our previous studies [., Proc. Sci. LATTICE2023 () 219 [].], we confirmed that a quantum annealer can be used for importance sampling of gauge theories. In this paper, we extend the previous results to larger 2-dimensional and 4-dimensional lattic...
The State Preparation of Multivariate Normal Distributions using Tree Tensor Network
Hidetaka Manabe, Yuichi Sano·Dec 16, 2024
The quantum state preparation of probability distributions is an important subroutine for many quantum algorithms. When embedding D-dimensional multivariate probability distributions by discretizing each dimension into 2n points, we need a state prep...
Establishing a New Benchmark in Quantum Computational Advantage with 105-qubit Zuchongzhi 3.0 Processor.
Dongxin Gao, D. Fan, C. Zha +155 more·Dec 16, 2024
In the relentless pursuit of quantum computational advantage, we present a significant advancement with the development of Zuchongzhi 3.0. This superconducting quantum computer prototype, comprising 105 qubits, achieves high operational fidelities, w...