Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Modelling carbon capture on metal-organic frameworks with quantum computing
G. Greene‐Diniz, D. Manrique, Wassil Sennane +7 more·Mar 29, 2022
Despite the recent progress in quantum computational algorithms for chemistry, there is a dearth of quantum computational simulations focused on material science applications, especially for the energy sector, where next generation sorbing materials ...
Variational quantum simulation of long-range interacting systems
Chufan Lyu, Xiaoyue Tang, Junning Li +3 more·Mar 27, 2022
Current quantum simulators suffer from multiple limitations such as short coherence time, noisy operations, faulty readout and restricted qubit connectivity in some platforms. Variational quantum algorithms are the most promising approach in near-ter...
Quantum‐Accelerated Algorithms for Generating Random Primitive Polynomials Over Finite Fields
Shan Huang, Hua‐Lei Yin, Zeng‐Bing Chen +1 more·Mar 24, 2022
Primitive polynomials over finite fields are crucial resources with broad applications across various domains in computer science, including classical pseudo‐random number generation, coding theory, and post‐quantum cryptography. Nevertheless, the pu...
Effective nonlocal parity-dependent couplings in qubit chains
M. Nägele, C. Schweizer, F. Roy +1 more·Mar 14, 2022
For the efficient implementation of quantum algorithms, practical ways to generate many-body entanglement are a basic requirement. Specifically, coupling multiple qubit pairs at once can be advantageous and can lead to multi-qubit operations useful i...
Psitrum: An open source simulator for universal quantum computers
Mohammed Alghadeer, Eid Aldawsari, R. Selvarajan +3 more·Mar 14, 2022
Quantum computing is a radical new paradigm for a technology that is capable to revolutionise information processing. Simulators of universal quantum computer are important for understanding the basic principles and operations of the current noisy in...
Stochastic optimization algorithms for quantum applications
J. A. Gidi, B. Candia, A. Muñoz-Moller +5 more·Mar 11, 2022
Hybrid classical quantum optimization methods have become an important tool for efficiently solving problems in the current generation of NISQ computers. These methods use an optimization algorithm executed in a classical computer, fed with values of...
Quantum neural networks force fields generation
Oriel Kiss, F. Tacchino, S. Vallecorsa +1 more·Mar 9, 2022
Accurate molecular force fields are of paramount importance for the efficient implementation of molecular dynamics techniques at large scales. In the last decade, machine learning (ML) methods have demonstrated impressive performances in predicting a...
Automatic Test Pattern Generation for Robust Quantum Circuit Testing
Kean Chen, M. Ying·Feb 22, 2022
Quantum circuit testing is essential for detecting potential faults in realistic quantum devices, while the testing process itself also suffers from the inexactness and unreliability of quantum operations. This article alleviates the issue by proposi...
Software Architecture for Quantum Computing Systems - A Systematic Review
Arifa Ali Khan, Aakash Ahmad, M. Waseem +4 more·Feb 11, 2022
Quantum computing systems rely on the principles of quantum mechanics to perform a multitude of computationally challenging tasks more efficiently than their classical counterparts. The architecture of software-intensive systems can empower architect...
QAC: Quantum-computing Aided Composition
Omar Costa Hamido·Feb 9, 2022
In this chapter I will discuss the role of quantum computing in computer music and how it can be integrated to better serve the creative artists. I will start by considering different approaches in current computer music and quantum computing tools, ...
SpinQ Triangulum: A commercial three-qubit desktop quantum computer
Guanru Feng, Shin-Yao Hou, Hongyan Zhou +10 more·Feb 7, 2022
SpinQ Triangulum is the second generation of the desktop quantum computers designed and manufactured by SpinQ Technology. SpinQ’s desktop quantum computer series, based on a room-temperature nuclear magnetic resonance (NMR) spectrometer, provides lig...
Realization of Fast All-Microwave Controlled-Z Gates with a Tunable Coupler
Shaowei Li, D. Fan, M. Gong +29 more·Feb 1, 2022
The development of high-fidelity two-qubit quantum gates is essential for digital quantum computing. Here, we propose and realize an all-microwave parametric controlled-Z (CZ) gates by coupling strength modulation in a superconducting Transmon qubit ...
Spectral broadening of a single Er$^{3+}$ ion in a Si nano-transistor
Jiliang Yang, Jian Wang, Wenda Fan +9 more·Jan 27, 2022
Single rare-earth ions in solids show great potential for quantum applications, including single photon emission, quantum computing, and high-precision sensing. However, homogeneous linewidths observed for single rare-earth ions are orders of magnitu...
Entanglement Purification and Protection in a Superconducting Quantum Network.
Haoxiong Yan, Y. Zhong, Hung-Shen Chang +7 more·Jan 25, 2022
High-fidelity quantum entanglement is a key resource for quantum communication and distributed quantum computing, enabling quantum state teleportation, dense coding, and quantum encryption. Any sources of decoherence in the communication channel, how...
Music Composition Using Quantum Annealing
A. Arya, Ludmila A. S. Botelho, Fabiola Canete +2 more·Jan 24, 2022
With the emergence of quantum computers, a new field of algorithmic music composition has been initiated. The vast majority of previous work focuses on music generation using gate-based quantum computers. An alternative model of computation is adiaba...
Fast quantum state transfer and entanglement for cavity-coupled many qubits via dark pathways
Yi-Xuan Wu, Ziwei Guan, Sai Li +1 more·Jan 18, 2022
Quantum state transfer (QST) and entangled state generation (ESG) are important building blocks for modern quantum information processing. To achieve these tasks, convention wisdom is to consult the quantum adiabatic evolution, which is time-consumin...
Faster multiplication over $${\mathbb {F}}_2[X]$$ F 2 [ X
J. Robert, P. Véron·Jan 11, 2022
Code-based cryptography is one of the main propositions for the post-quantum cryptographic context, and several protocols of this kind have been submitted on the NIST platform. Among them, BIKE and HQC are part of the five alternate candidates select...
Preparing thermal states on noiseless and noisy programmable quantum processors
O. Shtanko, R. Movassagh·Dec 29, 2021
Nature is governed by precise physical laws, which can inspire the discovery of new computer-run simulation algorithms. Thermal states are the most ubiquitous for they are the equilibrium states of matter. Simulating thermal states of quantum matter ...
Optimized Compiler for Distributed Quantum Computing
Daniele Cuomo, M. Caleffi, Kevin Krsulich +4 more·Dec 28, 2021
Practical distributed quantum computing requires the development of efficient compilers, able to make quantum circuits compatible with some given hardware constraints. This problem is known to be tough, even for local computing. Here, we address it o...
Realizations of Measurement Based Quantum Computing
S. Shah·Dec 22, 2021
The Measurement Based Quantum Computation (MBQC) model achieves universal quantum computation by employing projective single qubit measurements with classical feedforward on a highly entangled multipartite cluster state [1]. Rapid advances in improvi...