Papers
Live trends in quantum computing research, updated daily from arXiv.
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Hardware platform mentions in abstracts — Photonic leads
JuliVQC: an Efficient Variational Quantum Circuit Simulator for Near-Term Quantum Algorithms
Wei-You Liao, Xiang Wang, Xiao-Yue Xu +4 more·Jun 27, 2024
We introduce JuliVQC: a light-weight, yet extremely efficient variational quantum circuit simulator. JuliVQC is part of an effort for classical simulation of the \textit{Zuchongzhi} quantum processors, where it is extensively used to characterize the...
Unified Architecture for Quantum Lookup Tables
Shuchen Zhu, Aarthi Sundaram, Guang Hao Low·Jun 26, 2024
Quantum access to arbitrary classical data encoded in unitary black-box oracles underlies interesting data-intensive quantum algorithms, such as machine learning or electronic structure simulation. The feasibility of these applications depends crucia...
Near-Term Quantum Spin Simulation of the Spin-$\frac{1}{2}$ Square $J_{1}-J_{2}$ Heisenberg Model
Dylan Sheils, T. Rhone·Jun 26, 2024
Simulating complex spin systems, known for high frustration and entanglement, presents significant challenges due to their intricate energy landscapes. This study focuses on the $J_{1}-J_{2}$ Heisenberg model, renowned for its rich phase behavior on ...
Computational Fluid Dynamics on Quantum Computers
M. Syamlal, Carter Copen, M. Takahashi +2 more·Jun 26, 2024
QubitSolve is working on a quantum solution for computational fluid dynamics (CFD). We have created a variational quantum CFD (VQCFD) algorithm and a 2D Software Prototype based on it. By testing the Software Prototype on a quantum simulator, we demo...
Localized statistics decoding for quantum low-density parity-check codes
Timo Hillmann, Lucas Berent, A. O. Quintavalle +3 more·Jun 26, 2024
Quantum low-density parity-check codes are a promising candidate for fault-tolerant quantum computing with considerably reduced overhead compared to the surface code. However, the lack of a practical decoding algorithm remains a barrier to their impl...
SuperGrad: a differentiable simulator for superconducting processors
Ziang Wang, Feng Wu, Hui-Hai Zhao +2 more·Jun 26, 2024
One significant advantage of superconducting processors is their extensive design flexibility, which encompasses various types of qubits and interactions. Given the large number of tunable parameters of a processor, the ability to perform gradient op...
Low-overhead transversal fault tolerance for universal quantum computation
Hengyun Zhou, Chen Zhao, M. Cain +7 more·Jun 25, 2024
Fast, reliable logical operations are essential for realizing useful quantum computers1, 2–3. By redundantly encoding logical qubits into many physical qubits and using syndrome measurements to detect and correct errors, we can achieve low logical er...
Equivalence of dynamics of disordered quantum ensembles and semi-infinite lattices
H. Gestsson, C. Nation, A. Olaya-Castro·Jun 25, 2024
We develop a formalism for mapping the exact dynamics of an ensemble of disordered quantum systems onto the dynamics of a single particle propagating along a semi-infinite lattice, with interactions determined by the probability distribution of disor...
Quantum-inspired fluid simulation of two-dimensional turbulence with GPU acceleration
Leonhard Hölscher, P. Rao, Lukas Müller +4 more·Jun 25, 2024
Tensor network algorithms can efficiently simulate complex quantum many-body systems by utilizing knowledge of their structure and entanglement. These methodologies have been adapted recently for solving the Navier-Stokes equations, which describe a ...
MindSpore Quantum: A User-Friendly, High-Performance, and AI-Compatible Quantum Computing Framework
Xusheng Xu, Jiangyu Cui, Zidong Cui +36 more·Jun 25, 2024
We introduce MindSpore Quantum, a pioneering hybrid quantum-classical framework with a primary focus on the design and implementation of noisy intermediate-scale quantum (NISQ) algorithms. Leveraging the robust support of MindSpore, an advanced open-...
Efficient classical algorithm for simulating boson sampling with heterogeneous partial distinguishability
S. N. V. D. Hoven, E. Kanis, J. Renema·Jun 25, 2024
Boson sampling is one of the leading protocols for demonstrating a quantum advantage, but the theory of how this protocol responds to noise is still incomplete. We extend the theory of classical simulation of boson sampling with partial distinguishab...
A hybrid quantum-classical framework for computational fluid dynamics
Chuang-Chao Ye, Ning An, Teng-Yang Ma +5 more·Jun 24, 2024
Recent advancements in quantum computing provide opportunities to address the challenges of computational resource limitations in computational fluid dynamics (CFD). This work presents a hybrid quantum-classical CFD framework that leverages quantum l...
Collective Bit Flipping-Based Decoding of Quantum LDPC Codes
Dimitris Chytas, Nithin Raveendran, Bane Vasi'c·Jun 24, 2024
Quantum low-density parity-check (QLDPC) codes have been proven to achieve higher minimum distances at higher code rates than surface codes. However, this family of codes must cope with the stringent latency constraints imposed by quantum technology ...
Simulation of Quantum Homomorphic Encryption: Demonstration and Analysis
Sohrab Ganjian, Connor Paddock, Anne Broadbent·Jun 24, 2024
Quantum homomorphic encryption (QHE), allows a quantum cloud server to compute on private data as uploaded by a client. We provide a proof-of-concept software simulation for QHE, according to the "EPR" scheme of Broadbent and Jeffery, for universal q...
HAM-Schrodingerisation: a Generic Framework of Quantum Simulation for Any Nonlinear PDEs
Shijun Liao·Jun 22, 2024
Recently, Jin et al. proposed a quantum simulation technique for ANY linear partial differential equations (PDEs), called Schr\"{o}dingerisation [1,2,3]. In this paper, the Schr\"{o}dingerisation technique for quantum simulation is expanded to ANY no...
Observation of a non-Hermitian supersonic mode on a trapped-ion quantum computer
Yuxuan Zhang, J. Carrasquilla, Yong Baek Kim·Jun 21, 2024
Quantum computers have long been anticipated to excel in simulating quantum many-body physics. In this work, we demonstrate the power of variational quantum circuits for resource-efficient simulations of dynamical and equilibrium physics in non-Hermi...
Nonlinearity of the Fidelity in Open Qudit Systems: Gate and Noise Dependence in High-dimensional Quantum Computing
Jean-Gabriel Hartmann, D. Jankovi'c, R'emi Pasquier +2 more·Jun 21, 2024
High-dimensional quantum computing has generated significant interest due to its potential to address scalability and error correction challenges faced by traditional qubit-based systems. This paper investigates the Average Gate Fidelity (AGF) of sin...
Entanglement and iSWAP gate between molecular qubits
L. R. Picard, Annie J. Park, Gabriel E. Patenotte +4 more·Jun 21, 2024
Quantum computation and simulation rely on long-lived qubits with controllable interactions. Trapped polar molecules have been proposed as a promising quantum computing platform, offering scalability and single-particle addressability while still lev...
A differentiable quantum phase estimation algorithm
D. Castaldo, S. Jahangiri, A. Migliore +2 more·Jun 20, 2024
The simulation of electronic properties is a pivotal issue in modern electronic structure theory, driving significant efforts over the past decades to develop protocols for computing energy derivatives. In this work, we address this problem by develo...
Quantum extreme learning of molecular potential energy surfaces and force fields
Gabriele Lo Monaco, Marco Bertini, Salvatore Lorenzo +1 more·Jun 20, 2024
Quantum machine learning algorithms are expected to play a pivotal role in quantum chemistry simulations in the immediate future. One such key application is the training of a quantum neural network to learn the potential energy surface and force fie...