Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Hybrid Quantum Tabu Search for Solving the Vehicle Routing Problem
James Holliday, Braeden Morgan, Hugh Churchill +1 more·Apr 19, 2024
There has never been a more exciting time for the future of quantum computing than now. Real-world quantum computing usage is now the next XPRIZE. With that challenge in mind we have explored a new approach as a hybrid quantum-classical algorithm for...
TANQ-Sim: Tensorcore Accelerated Noisy Quantum System Simulation via QIR on Perlmutter HPC
Ang Li, Chenxu Liu, S. Stein +7 more·Apr 19, 2024
Although there have been remarkable advances in quantum computing (QC), it remains crucial to simulate quantum programs using classical large-scale parallel computing systems to validate quantum algorithms, comprehend the impact of noise, and develop...
Qwerty: A Basis-Oriented Quantum Programming Language
Austin J. Adams, Sharjeel Khan, Jeffrey S. Young +1 more·Apr 19, 2024
Quantum computers have leaped from the theoretical realm into a race to large-scale implementations. This is due to the promise of revolutionary speedups, where achieving such speedup requires designing an algorithm that harnesses the structure of a ...
Demonstration of quantum projective simulation on a single-photon-based quantum computer
Giacomo Franceschetto, Arno Ricou·Apr 19, 2024
Variational quantum algorithms show potential in effectively operating on noisy intermediate-scale quantum devices. A variational approach to reinforcement learning has been recently proposed, incorporating linear-optical interferometers and a classi...
The Localized Active Space Method with Unitary Selective Coupled Cluster.
Abhishek Mitra, Ruhee D'Cunha, Qiaohong Wang +5 more·Apr 19, 2024
We introduce a hybrid quantum-classical algorithm, the localized active space unitary selective coupled cluster singles and doubles (LAS-USCCSD) method. Derived from the localized active space unitary coupled cluster (LAS-UCCSD) method, LAS-USCCSD fi...
Multi-Class Quantum Convolutional Neural Networks
Marco Mordacci, Davide Ferrari, Michele Amoretti·Apr 19, 2024
Classification is particularly relevant to Information Retrieval, as it is used in various subtasks of the search pipeline. In this work, we propose a quantum convolutional neural network (QCNN) for multi-class classification of classical data. The m...
Lattice Surgery for Dummies
Avimita Chatterjee, Subrata Das, Swaroop Ghosh·Apr 19, 2024
Quantum error correction (QEC) plays a crucial role in correcting noise and paving the way for fault-tolerant quantum computing. This field has seen significant advancements, with new quantum error correction codes emerging regularly to address error...
High-rate quantum LDPC codes for long-range-connected neutral atom registers
Laura Pecorari, Sven Jandura, G. Brennen +1 more·Apr 19, 2024
High-rate quantum error correcting (QEC) codes with moderate overheads in qubit number and control complexity are highly desirable for achieving fault-tolerant quantum computing. Recently, quantum error correction has experienced significant progress...
Active robustness against the detuning-error for Rydberg quantum gates
Qing-Ling Hou, Han Wang, Jing Qian·Apr 18, 2024
Error suppression to the experimental imperfections is a central challenge for useful quantum computing. Recent studies have shown the advantages of using single-modulated pulses based on optimal control which can realize high-fidelity two-qubit gate...
Quantum trajectory entanglement in various unravelings of Markovian dynamics
T. Vovk, Hannes Pichler·Apr 18, 2024
The cost of classical simulations of quantum many-body dynamics is often determined by the amount of entanglement in the system. In this paper, we study entanglement in stochastic quantum trajectory approaches that solve master equations describing o...
Boolean Matching Reversible Circuits: Algorithm and Complexity
Tian-Fu Chen, Jie-Hong Roland Jiang·Apr 18, 2024
Boolean matching is an important problem in logic synthesis and verification. Despite being well-studied for conventional Boolean circuits, its treatment for reversible logic circuits remains largely, if not completely, missing. This work provides th...
Scalable Spin Squeezing from Critical Slowing Down in Short-Range Interacting Systems.
T. Roscilde, Filippo Caleca, A. Angelone +1 more·Apr 18, 2024
Long-range spin-spin interactions are known to generate nonequilibrium dynamics that can squeeze the collective spin of a quantum spin ensemble in a scalable manner, leading to states whose metrologically useful entanglement grows with system size. H...
Fermionic quantum simulation on Andreev bound state superlattices
Peter D. Johannsen, C. Schrade·Apr 18, 2024
Arrays of superconducting qubits and cavities offer a promising route for realizing artificial materials. However, many analog simulations on superconducting circuit hardware have focused on bosonic systems. Fermionic simulations, in contrast, have l...
Tailoring Fault-Tolerance to Quantum Algorithms
Zhuangzhuang Chen, Narayanan Rengaswamy·Apr 18, 2024
The standard approach to universal fault-tolerant quantum computing is to develop a general purpose quantum error correction mechanism that can implement a universal set of logical gates fault-tolerantly. Given such a scheme, any quantum algorithm ca...
Quantum-inspired Techniques in Tensor Networks for Industrial Contexts
Alejandro Mata Ali, Iñigo Perez Delgado, Aitor Moreno Fdez. de Leceta·Apr 17, 2024
In this paper we present a study of the applicability and feasibility of quantum-inspired algorithms and techniques in tensor networks for industrial environments and contexts, with a compilation of the available literature and an analysis of the use...
Compression of Quantum Shallow-Circuit States.
Yuxiang Yang·Apr 17, 2024
Shallow quantum circuits feature not only computational advantages over their classical counterparts but also cutting-edge applications. Storing quantum information generated by shallow circuits is a fundamental question of both theoretical and pract...
Method for Efficient Large-Scale Cryogenic Characterization of CMOS Technologies
J. Eastoe, G. M. Noah, Debargha Dutta +3 more·Apr 17, 2024
Semiconductor integrated circuits operated at cryogenic temperature will play an essential role in quantum computing architectures. These can offer equivalent or superior performance to their room-temperature counterparts while enabling a scaling up ...
Optimized measurement-free and fault-tolerant quantum error correction for neutral atoms
Stefano Veroni, Markus Müller, G. Giudice·Apr 17, 2024
A major challenge in performing quantum error correction (QEC) is implementing reliable measurements and conditional feed-forward operations. In quantum computing platforms supporting unconditional qubit resets, or a constant supply of fresh qubits, ...
Fault-tolerant quantum computing with the parity code and biased-noise qubits
A. Messinger, Valentin Torggler, Berend Klaver +2 more·Apr 17, 2024
We present a fault-tolerant universal quantum computing architecture based on a code concatenation of biased-noise qubits and the parity architecture. The parity architecture can be understood as a low-density parity-check code tailored specifically ...
Bayesian Parameterized Quantum Circuit Optimization (BPQCO): a task and hardware-dependent approach
Alexander Ben'itez-Buenache, Queralt Portell-Montserrat·Apr 17, 2024
Variational quantum algorithms (VQAs) have emerged as a promising quantum alternative for solving optimization and machine learning problems using parameterized quantum circuits (PQCs). The design of these circuits influences the ability of the algor...