Papers
Live trends in quantum computing research, updated daily from arXiv.
Total Papers
27,881
This Month
1,306
Today
0
Research Volume
13,147 papers in 12 months (+1% vs prior quarter)
Research Focus Areas
Papers by research theme (12 months). Hover for details.
Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
An Efficient Quantum Circuit Construction Method for Mutually Unbiased Bases in $n$-Qubit Systems
Wang Yu, Dongsheng Wu·Nov 20, 2023
Mutually unbiased bases (MUBs) play a crucial role in numerous applications within quantum information science, such as quantum state tomography, error correction, entanglement detection, and quantum cryptography. Utilizing \(2^n + 1\) MUB circuits p...
Simulating photonic devices with noisy optical elements
Michele Vischi, Giovanni Di Bartolomeo, Massimiliano Proietti +4 more·Nov 17, 2023
Quantum computers are inherently affected by noise. While in the long term, error correction codes will account for noise at the cost of increasing physical qubits, in the near term, the performance of any quantum algorithm should be tested and simul...
Fast algorithms for classical specifications of stabiliser states and Clifford gates
Nadish de Silva, Wilfred Salmon, Ming Yin·Nov 17, 2023
The stabiliser formalism plays a central role in quantum computing, error correction, and fault tolerance. Conversions between and verifications of different specifications of stabiliser states and Clifford gates are important components of many clas...
On the Pauli Spectrum of QAC0
Shivam Nadimpalli, Natalie Parham, F. Vasconcelos +1 more·Nov 16, 2023
The circuit class QAC0 was introduced by Moore (1999) as a model for constant depth quantum circuits where the gate set includes many-qubit Toffoli gates. Proving lower bounds against such circuits is a longstanding challenge in quantum circuit compl...
Entangling gates on degenerate spin qubits dressed by a global field
I. Hansen, A. Seedhouse, S. Serrano +12 more·Nov 16, 2023
Semiconductor spin qubits represent a promising platform for future large-scale quantum computers owing to their excellent qubit performance, as well as the ability to leverage the mature semiconductor manufacturing industry for scaling up. Individua...
Circuit-noise-resilient virtual distillation
Xiao-Yue Xu, Chen Ding, Shuo Zhang +2 more·Nov 14, 2023
Quantum error mitigation (QEM) is vital for improving quantum algorithms’ accuracy on noisy near-term devices. A typical QEM method, called Virtual Distillation (VD), can suffer from imperfect implementation, potentially leading to worse outcomes tha...
QuantumEyes: Towards Better Interpretability of Quantum Circuits
Shaolun Ruan, Qian-Guo Guan, Paul Griffin +2 more·Nov 14, 2023
Quantum computing offers significant speedup compared to classical computing, which has led to a growing interest among users in learning and applying quantum computing across various applications. However, quantum circuits, which are fundamental for...
Benchmarking the Ability of a Controller to Execute Quantum Error Corrected Non-Clifford Circuits
Y. Kurman, Lior Ella, Ramon Szmuk +4 more·Nov 13, 2023
Reaching fault-tolerant quantum computation relies on the successful implementation of non-Clifford circuits with quantum error correction (QEC). In QEC, quantum gates and measurements encode quantum information into an error-protected Hilbert space,...
Multimode rotation-symmetric bosonic codes from homological rotor codes
Yijia Xu, Yixu Wang, Victor V. Albert·Nov 13, 2023
We develop quantum information processing primitives for the planar rotor, the state space of a particle on a circle. By interpreting rotor wavefunctions as periodically identified wavefunctions of a harmonic oscillator, we determine the group of bos...
Benchmarking Quantum Processor Performance at Scale
David C. McKay, Ian Hincks, E. Pritchett +3 more·Nov 10, 2023
As quantum processors grow, new performance benchmarks are required to capture the full quality of the devices at scale. While quantum volume is an excellent benchmark, it focuses on the highest quality subset of the device and so is unable to indica...
Diamond-shaped quantum circuit for real-time quantum dynamics in one dimension
S. Miyakoshi, T. Sugimoto, Tomonori Shirakawa +2 more·Nov 10, 2023
In recent years, quantum computing has evolved as an exciting frontier, with the development of numerous algorithms dedicated to constructing quantum circuits that adeptly represent quantum many-body states. However, this domain remains in its early ...
Deep learning as a tool for quantum error reduction in quantum image processing
Krzysztof Werner, Kamil Wereszczy'nski, Rafał Potempa +1 more·Nov 8, 2023
Despite the limited availability and quantum volume of quantum computers, quantum image representation is a widely researched area. Currently developed methods use quantum entanglement to encode information about pixel positions. These methods range ...
Reinforcement learning pulses for transmon qubit entangling gates
Ho Nam Nguyen, F. Motzoi, Mekena Metcalf +5 more·Nov 7, 2023
The utility of a quantum computer is highly dependent on the ability to reliably perform accurate quantum logic operations. For finding optimal control solutions, it is of particular interest to explore model-free approaches, since their quality is n...
Resource analysis of quantum algorithms for coarse-grained protein folding models
Hanna Linn, Isak Brundin, Laura Garc'ia-'Alvarez +1 more·Nov 7, 2023
Protein folding processes are a vital aspect of molecular biology that is hard to simulate with conventional computers. Quantum algorithms have been proven superior for certain problems and may help tackle this complex life science challenge. We anal...
A quantum central path algorithm for linear optimization
Brandon Augustino, J. Leng, G. Nannicini +2 more·Nov 7, 2023
We propose a novel quantum algorithm for solving linear optimization problems by quantum-mechanical simulation of the central path. While interior point methods follow the central path with an iterative algorithm that works with successive linearizat...
A low phase noise cavity transmission self-injection locked laser system for atomic physics experiments
L. Krinner, Kai Dietze, L. Pelzer +2 more·Nov 6, 2023
Lasers with high spectral purity are indispensable for optical clocks and coherent manipulation of atomic and molecular qubits for applications such as quantum computing and quantum simulation. Stabilisation of the laser to a reference can provide a ...
Indirect Quantum Approximate Optimization Algorithms: application to the TSP
E. Bourreau, G. Fleury, P. Lacomme·Nov 6, 2023
We propose an Indirect Quantum Approximate Optimization Algorithm (referred to as IQAOA) where the Quantum Alternating Operator Ansatz takes into consideration a general parameterized family of unitary operators to efficiently model the Hamiltonian d...
Scalable Architecture for Trapped-Ion Quantum Computing Using rf Traps and Dynamic Optical Potentials
David Schwerdt, Lee Peleg, Yotam Shapira +9 more·Nov 2, 2023
Qubits based on ions trapped in linear radio-frequency traps form a successful platform for quantum computing, due to their high fidelity of operations, all-to-all connectivity, and degree of local control. In principle, there is no fundamental limit...
Distributed Simulation of Statevectors and Density Matrices
Tyson Jones, Bálint Koczor, S. Benjamin·Nov 2, 2023
Classical simulation of quantum computers is an irreplaceable step in the design of quantum algorithms. Exponential simulation costs demand the use of high-performance computing techniques, and in particular distribution, whereby the quantum state de...
ADAPT-QSCI: Adaptive Construction of an Input State for Quantum-Selected Configuration Interaction.
Yuya O. Nakagawa, Masahiko Kamoshita, Wataru Mizukami +2 more·Nov 2, 2023
We present a quantum-classical hybrid algorithm for calculating the ground state and its energy of the quantum many-body Hamiltonian by proposing an adaptive construction of a quantum state for the quantum-selected configuration interaction (QSCI) me...