Papers
Live trends in quantum computing research, updated daily from arXiv.
Total Papers
28,188
This Month
0
Today
0
Research Volume
13,351 papers in 12 months (+7% vs prior quarter)
Research Focus Areas
Papers by research theme (12 months). Hover for details.
Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Bayesian optimisation with improved information sharing for the variational quantum eigensolver
Milena Rohrs, A. Bochkarev, A. C. M. F. Itwm +1 more·May 23, 2024
This work presents a detailed empirical analysis of Bayesian optimisation with information sharing (BOIS) for the variational quantum eigensolver (VQE). The method is applied to computing the potential energy surfaces (PES) of the hydrogen and water ...
Quantum-assisted rendezvous on graphs: explicit algorithms and quantum computer simulations
J. Tucker, P. Strange, P. Mironowicz +1 more·May 23, 2024
We study quantum advantage in one-step rendezvous games on simple graphs analytically, numerically, and using noisy intermediate-scale quantum (NISQ) processors. Our protocols realise the recently discovered (Mironowicz 2023 New J. Phys. 25 013023) o...
Ballast Charges for Semiconductor Spin Qubits.
Yujun Choi, J. Nichol, Edwin Barnes·May 22, 2024
Semiconductor spin qubits are an attractive platform for quantum computing, but their performance is degraded primarily by fluctuating electromagnetic environments. We introduce the concept of ballast charges, which are induced charges on the surface...
Nonlinear Spectroscopy via Generalized Quantum Phase Estimation
Ignacio Loaiza, Danial Motlagh, Kasra Hejazi +3 more·May 22, 2024
Response theory has a successful history of connecting experimental observations with theoretical predictions. Of particular interest is the optical response of matter, from which spectroscopy experiments can be modelled. However, the calculation of ...
Quantum algorithm for large-scale market equilibrium computation
Po-Wei Huang, P. Rebentrost·May 22, 2024
Classical algorithms for market equilibrium computation such as proportional response dynamics face scalability issues with Internet-based applications such as auctions, recommender systems, and fair division, despite having an almost linear runtime ...
Coded Computing Meets Quantum Circuit Simulation: Coded Parallel Tensor Network Contraction Algorithm
Jin Lee, S. González-García, Zheng Zhang +1 more·May 22, 2024
Parallel tensor network contraction algorithms have emerged as the pivotal benchmarks for assessing the classical limits of computation, exemplified by Google's demonstration of quantum supremacy through random circuit sampling. However, the massive ...
On Classical Simulation of Quantum Circuits Composed of Clifford Gates
G. Biswas·May 22, 2024
The Gottesman–Knill theorem asserts that quantum circuits composed solely of Clifford gates can be efficiently simulated classically. This theorem hinges on the fact that Clifford gates map Pauli strings to other Pauli strings, thereby allowing for a...
Scalable quantum circuits for exponential of Pauli strings and Hamiltonian simulations
Rohit Sarma Sarkar, Sabyasachi Chakraborty, Bibhas Adhikari·May 22, 2024
In this paper, we design quantum circuits for the exponential of scaled $n$-qubit Pauli strings using single-qubit rotation gates, Hadamard gate, and CNOT gates. A key result we derive is that any two Pauli-string operators composed of identity and $...
Dual-Capability Machine Learning Models for Quantum Hamiltonian Parameter Estimation and Dynamics Prediction.
Zheng An, Jiahui Wu, Zidong Lin +3 more·May 22, 2024
Recent advancements in quantum hardware and classical computing simulations have significantly enhanced the accessibility of quantum system data, leading to an increased demand for precise descriptions and predictions of these systems. Accurate predi...
Simulating optically active spin defects with a quantum computer
Jack S. Baker, Pablo Antonio Moreno Casares, Modjtaba Shokrian Zini +5 more·May 21, 2024
There is a pressing need for more accurate computational simulations of the opto-electronic properties of defects in materials to aid in the development of quantum sensing platforms. In this work, we explore how quantum computers could be effectively...
Efficient explicit gate construction of block-encoding for Hamiltonians needed for simulating partial differential equations
N. Guseynov, Xiajie Huang, Nana Liu·May 21, 2024
One of the most promising applications of quantum computers is solving partial differential equations (PDEs). By using the Schrodingerisation technique - which converts non-conservative PDEs into Schrodinger equations - the problem can be reduced to ...
Quantum resonant dimensionality reduction
Fan Yang, Furong Wang, Xusheng Xu +4 more·May 21, 2024
Quantum computing is a promising candidate for accelerating machine learning tasks. Limited by the control accuracy of current quantum hardware, reducing the consumption of quantum resources is the key to achieving quantum advantage. Here, we propose...
On the Electromagnetic Couplings in Superconducting Qubit Circuits
E. Forati, B. W. Langley, A. Nersisyan +1 more·May 19, 2024
The precise engineering of electromagnetic couplings is paramount for constructing scalable and high-fidelity superconducting quantum processors. While essential for orchestrating qubit operations, these couplings also present significant design chal...
Attention to quantum complexity
Hyejin Kim, Yiqing Zhou, Yichen Xu +10 more·May 19, 2024
The imminent era of error-corrected quantum computing demands robust methods to characterize quantum state complexity from limited, noisy measurements. We introduce the Quantum Attention Network (QuAN), a classical artificial intelligence (AI) framew...
Disturbance Evaluation Circuit in Quantum Measurement
Haruki Emori, M. Ozawa, Akihisa Tomita·May 19, 2024
According to the uncertainty principle, every quantum measurement accompanies disturbance. In particular, accurate sequential measurements need the accurate control of disturbance. However, the correct role of disturbance in the uncertainty principle...
Resource-Efficient Hybrid Quantum-Classical Simulation Algorithm
Chong Hian Chee, Daniel Leykam, A. Mak +2 more·May 17, 2024
Digital quantum computers promise exponential speedups in performing quantum time-evolution, providing an opportunity to simulate quantum dynamics of complex systems in physics and chemistry. However, the task of extracting desired quantum properties...
Simulating X-ray absorption spectroscopy of battery materials on a quantum computer
Stepan Fomichev, Kasra Hejazi, Ignacio Loaiza +5 more·May 17, 2024
X-ray absorption spectroscopy is a crucial experimental technique for elucidating the mechanisms of structural degradation in battery materials. However, extracting information from the measured spectrum is challenging without high-quality simulation...
High-throughput assessment of defect-nuclear spin register controllability for quantum memory applications
Filippos Dakis, E. Takou, Edwin Barnes +1 more·May 17, 2024
Quantum memories play a key role in facilitating tasks within quantum networks and quantum information processing, including secure communications, advanced quantum sensing, and distributed quantum computing. Progress in characterizing large nuclear ...
Scalability enhancement of quantum computing under limited connectivity through distributed quantum computing
Shao-Hua Hu, G. Biswas, Jun-Yi Wu·May 17, 2024
We employ quantum-volume random-circuit sampling to benchmark the two-QPU entanglement-assisted distributed quantum computing (DQC) and compare it with single-QPU quantum computing. We first specify a single-qubit depolarizing noise model in the rand...
Blueprint for All-to-All-Connected Superconducting Spin Qubits
M. Pita-Vidal, J. Wesdorp, Christian Kraglund Andersen·May 16, 2024
Andreev (or superconducting) spin qubits (ASQs) have recently emerged as a promising qubit platform that combines superconducting circuits with semiconductor spin degrees of freedom. While recent experiments have successfully coupled two ASQs, how to...