Papers
Live trends in quantum computing research, updated daily from arXiv.
Total Papers
31,204
This Month
1,213
Today
0
Research Volume
15,360 papers in 12 months (-8% vs prior quarter)
Research Focus Areas
Papers by research theme (12 months). Hover for details.
Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
On the complexity of implementing Trotter steps
G. Low, Yuan Su, Yu Tong +1 more·Nov 16, 2022
Quantum dynamics can be simulated on a quantum computer by exponentiating elementary terms from the Hamiltonian in a sequential manner. However, such an implementation of Trotter steps has gate complexity depending on the total Hamiltonian term numbe...
Near-term quantum computing techniques: Variational quantum algorithms, error mitigation, circuit compilation, benchmarking and classical simulation
Heliang Huang, Xiao-Yue Xu, Chu Guo +5 more·Nov 16, 2022
Quantum computing is a game-changing technology for global academia, research centers and industries including computational science, mathematics, finance, pharmaceutical, materials science, chemistry and cryptography. Although it has seen a major bo...
All-optical quantum computing using cubic phase gates
Niklas Budinger, A. Furusawa, P. van Loock·Nov 16, 2022
If suitable quantum optical interactions were available, transforming the field mode operators in a nonlinear fashion, the all-photonics platform could be one of the strongest contenders for realizing a quantum computer. While single-photon qubits ma...
Optimised Bayesian system identification in quantum devices
T. Stace, Jiayin Chen, Li Li +6 more·Nov 16, 2022
Identifying and calibrating quantitative dynamical models for physical quantum systems is important for a variety of applications. Here we present a closed-loop Bayesian learning algorithm for estimating multiple unknown parameters in a dynamical mod...
Real-time quantum error correction beyond break-even
V. Sivak, A. Eickbusch, B. Royer +10 more·Nov 16, 2022
The ambition of harnessing the quantum for computation is at odds with the fundamental phenomenon of decoherence. The purpose of quantum error correction (QEC) is to counteract the natural tendency of a complex system to decohere. This cooperative pr...
Noise-robust ground state energy estimates from deep quantum circuits
H. J. Vallury, Michael A. Jones, G. White +3 more·Nov 16, 2022
In the lead up to fault tolerance, the utility of quantum computing will be determined by how adequately the effects of noise can be circumvented in quantum algorithms. Hybrid quantum-classical algorithms such as the variational quantum eigensolver (...
Quantum simulation of dynamical phase transitions in noisy quantum devices
Younes Javanmard, Ugne Liaubaite, Tobias J. Osborne +1 more·Nov 15, 2022
Zero-noise extrapolation provides an especially useful error mitigation method for noisy intermediate-scale quantum devices. Our analysis, based on matrix product density operators, of the transverse-field Ising model with depolarizing noise, reveals...
Quantum Tomography of Rydberg Atom Graphs by Configurable Ancillas
Kangheun Kim, Jaewook Ahn·Nov 15, 2022
Tomographic reconstruction of the many-body quantum state of a scalable qubit system is of paramount importance in quantum computing technologies. However, conventional approaches which use tomographically orthogonal base measurements require precise...
Generalized Parton Distribution Functions via Quantum Simulation of Quantum Field Theory in Light-front Coordinates
Carter M. Gustin, G. Goldstein·Nov 15, 2022
Quantum simulation of quantum field theories offers a new way to investigate properties of the fundamental constituents of matter. We develop quantum simulation algorithms based on the light-front formulation of relativistic field theories. The proce...
Robust quantum control for higher order coupling term in trapped ions
Jing-bo Wang·Nov 15, 2022
Trapped ion hardware has made significant progress recently and is now one of the leading platforms for quantum computing. To construct two-qubit gates in trapped ions, experimental manipulation approaches for ion chains are becoming increasingly pre...
Superconductor/Ferromagnet Heterostructures: A Platform for Superconducting Spintronics and Quantum Computation
Ranran Cai, I. vZuti'c, Wei Han·Nov 15, 2022
The interplay between superconductivity and ferromagnetism in the superconductor/ferromagnet (SC/FM) heterostructures generates many interesting physical phenomena, including spin‐triplet superconductivity, superconducting order parameter oscillation...
Robust Quantum Circuit for Clique Problem with Intermediate Qudits
Arpita Sanyal, A. Saha, Banani Saha +1 more·Nov 15, 2022
Clique problem has a wide range of applications due to its pattern matching ability. There are various formulation of clique problem like $k$-clique problem, maximum clique problem, etc. The $k$-Clique problem, determines whether an arbitrary network...
Quasiparticle poisoning rate in a superconducting transmon qubit involving Majorana zero modes
Xiaopei Sun, Zhaozheng Lyu, Enna Zhuo +8 more·Nov 15, 2022
Majorana zero modes have been attracting considerable attention because of their prospective applications in fault-tolerant topological quantum computing. In recent years, some schemes have been proposed to detect and manipulate Majorana zero modes u...
QuDiet: A classical simulation platform for qubit-qudit hybrid quantum systems
Turbasu Chatterjee, Arnav Das, Subhayu Kumar Bala +3 more·Nov 15, 2022
In the recent years, numerous research advancements have extended the limit of classical simulation of quantum algorithms. Although, most of the state-of-the-art classical simulators are only limited to binary quantum systems, which restrict the clas...
Adaptive surface code for quantum error correction in the presence of temporary or permanent defects
A. Siegel, Armands Strikis, Thomas Flatters +1 more·Nov 15, 2022
Whether it is at the fabrication stage or during the course of the quantum computation, e.g. because of high-energy events like cosmic rays, the qubits constituting an error correcting code may be rendered inoperable. Such defects may correspond to i...
Differentiable matrix product states for simulating variational quantum computational chemistry
Chu Guo, Yi Fan, Zhiqian Xu +1 more·Nov 15, 2022
Quantum Computing is believed to be the ultimate solution for quantum chemistry problems. Before the advent of large-scale, fully fault-tolerant quantum computers, the variational quantum eigensolver (VQE) is a promising heuristic quantum algorithm t...
Quantum sensing with tunable superconducting qubits: optimization and speed-up
S. Danilin, Nicholas J. Nugent, M. Weides·Nov 15, 2022
Sensing and metrology are crucial in both fundamental science and practical applications. They meet the constant demand for precise data, enabling more dependable assessments of theoretical models’ validity. Sensors, now a common feature in many fiel...
A doubly stochastic matrices-based approach to optimal qubit routing
Nicola Mariella, S. Zhuk·Nov 14, 2022
Swap mapping is a quantum compiler optimization that, by introducing $$\text {SWAP}$$ SWAP gates, maps a logical quantum circuit to an equivalent physically implementable one. The physical implementability of a circuit is determined by the fulfillmen...
Time-Dependent Hamiltonian Reconstruction Using Continuous Weak Measurements
K. Siva, G. Koolstra, J. Steinmetz +9 more·Nov 14, 2022
Reconstructing the Hamiltonian of a quantum system is an essential task for characterizing and certifying quantum processors and simulators. Existing techniques either rely on projective measurements of the system before and after coherent time evolu...
An invitation to distributed quantum neural networks
Lirande Pira, C. Ferrie·Nov 14, 2022
Deep neural networks have established themselves as one of the most promising machine learning techniques. Training such models at large scales is often parallelized, giving rise to the concept of distributed deep learning. Distributed techniques are...