Papers
Live trends in quantum computing research, updated daily from arXiv.
Total Papers
28,188
This Month
0
Today
0
Research Volume
13,372 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
Hybrid classical-quantum approach to solve the heat equation using quantum annealers
Giovani G. Pollachini, J. Salazar, Caio B. D. Goes +2 more·Jun 8, 2021
The numerical solution of partial differential equations by discretization techniques is ubiquitous in computational physics. In this work we benchmark this approach in the quantum realm by solving the heat equation for a square plate subject to fixe...
Simulating a measurement-induced phase transition for trapped-ion circuits
Stefanie Czischek, G. Torlai, Sayonee Ray +2 more·Jun 7, 2021
The rise of programmable quantum devices has motivated the exploration of circuit models which could realize novel physics. A promising candidate is a class of hybrid circuits, where entangling unitary dynamics compete with disentangling measurements...
Quantum Perceptron Revisited: Computational-Statistical Tradeoffs
Mathieu Roget, G. Molfetta, H. Kadri·Jun 4, 2021
Quantum machine learning algorithms could provide significant speed-ups over their classical coun-terparts; however, whether they could also achieve good generalization remains unclear. Recently, two quantum perceptron models which give a quadratic im...
Single-component gradient rules for variational quantum algorithms
T. Hubregtsen, Frederik Wilde, Shozab Qasim +1 more·Jun 2, 2021
Many near-term quantum computing algorithms are conceived as variational quantum algorithms, in which parameterized quantum circuits are optimized in a hybrid quantum–classical setup. Examples are variational quantum eigensolvers, quantum approximate...
A comparison of various classical optimizers for a variational quantum linear solver
Aidan Pellow-Jarman, I. Sinayskiy, A. Pillay +1 more·Jun 1, 2021
Variational hybrid quantum classical algorithms are a class of quantum algorithms intended to run on noisy intermediate-scale quantum (NISQ) devices. These algorithms employ a parameterized quantum circuit (ansatz) and a quantum-classical feedback lo...
Quantum algorithm for the calculation of transition amplitudes in hybrid tensor networks
S. Kanno, Suguru Endo, Yasunari Suzuki +1 more·May 29, 2021
The hybrid tensor network approach allows us to perform calculations on systems larger than the scale of a quantum computer. However, when calculating transition amplitudes, there is a problem that the number of terms to be measured increases exponen...
An efficient hybrid hash based privacy amplification algorithm for quantum key distribution
Bingze Yan, Qiong Li, Haokun Mao +1 more·May 28, 2021
Privacy amplification (PA) is an essential part in a quantum key distribution (QKD) system, distilling a highly secure key from a partially secure string by public negotiation between two parties. The optimization objectives of privacy amplification ...
Hybrid Exchange–Measurement-Based Qubit Operations in Semiconductor Double-Quantum-Dot Qubits
M. Brooks, C. Tahan·May 26, 2021
Measurement-based quantum computing (MBQC) promises natural compatibility with quantum error correcting codes at the cost of a polynomial increase in physical qubits. MBQC proposals have largely focused on photonic systems, where 2-qubit gates are di...
Origin Pilot: a Quantum Operating System for Effecient Usage of Quantum Resources
Wei-cheng Kong, Junchao Wang, Yongjian Han +5 more·May 22, 2021
The operating system is designed to manage the hardware and software resources of a computer. With the development of quantum computing, the management of quantum resources and cooperation between quantum systems and other computing resources (e.g. C...
Molecular excited state calculations with adaptive wavefunctions on a quantum eigensolver emulation: reducing circuit depth and separating spin states.
H. Chan, Nathan Fitzpatrick, J. Segarra‐Martí +2 more·May 21, 2021
Ab initio electronic excited state calculations are necessary for the quantitative study of photochemical reactions, but their accurate computation on classical computers is plagued by prohibitive resource scaling. The Variational Quantum Deflation (...
QuaSiMo: A composable library to program hybrid workflows for quantum simulation
Thien Nguyen, Lindsay Bassman, Phillip C. Lotshaw +7 more·May 17, 2021
We present a composable design scheme for the development of hybrid quantum/classical algorithms and workflows for applications of quantum simulation. Our object-oriented approach is based on constructing an expressive set of common data structures a...
Tunable Anisotropic Quantum Rabi Model via a Magnon–Spin-Qubit Ensemble
Ida C. Skogvoll, Jonas Lidal, J. Danon +1 more·May 16, 2021
The ongoing rapid progress towards quantum technologies relies on and strives for new hybrid platforms optimized for specific quantum computation and communication tasks. We theoretically study a spin qubit exchange-coupled to an anisotropic ferromag...
Hybrid Schrödinger-Feynman Simulation of Quantum Circuits With Decision Diagrams
Lukas Burgholzer, Hartwig Bauer, R. Wille·May 14, 2021
Classical simulations of quantum computations are vital for the future development of this emerging technology. To this end, decision diagrams have been proposed as a complementary technique which frequently allows to tackle the inherent exponential ...
Quantum constraint learning for quantum approximate optimization algorithm.
Santosh Kumar Radha·May 14, 2021
The quantum approximate optimization algorithm (QAOA) is a hybrid quantum-classical variational algorithm which offers the potential to handle combinatorial optimization problems. Introducing constraints in such combinatorial optimization problems po...
Charge qubits in the USC regime for quantum state transfer
F. C'ardenas-L'opez, J. Yu, C. K. Andersen +2 more·May 14, 2021
We study the feasibility of reaching the ultrastrong (USC) and deep-strong coupling (DSC) regimes of light-matter interaction, in particular at resonance condition, with a superconducting charge qubit, also known as Cooper-Pair box (CPB). We numerica...
Multiplexed quantum repeaters based on dual-species trapped-ion systems
Prajit Dhara, N. Linke, E. Waks +2 more·May 14, 2021
Trapped ions form an advanced technology platform for quantum information processing with long qubit coherence times, high-fidelity quantum logic gates, optically active qubits, and a potential to scale up in size while preserving a high level of con...
Prime number factorization using a spinor Bose–Einstein condensate-inspired topological quantum computer
Emil Génetay Johansen, T. Simula·May 12, 2021
Inspired by non-abelian vortex anyons in spinor Bose–Einstein condensates, we consider the quantum double D(Q8)\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \use...
On Assessing the Quantum Advantage for MaxCut Provided by Quantum Neural Network Ans\"atze
Juneseo Lee·May 11, 2021
In this work we design a class of Ansätze to solve MaxCut on a parameterized quantum circuit (PQC). Gaining inspiration from properties of quantum optimal control landscapes, we consider the presence of optimization traps as a measure of complexity f...
qRobot: A Quantum Computing Approach in Mobile Robot Order Picking and Batching Problem Solver Optimization
Parfait Atchade-Adelomou, Guillermo Alonso-Linaje, J. Albó-Canals +1 more·May 11, 2021
This article aims to bring quantum computing to robotics. A quantum algorithm is developed to minimize the distance traveled in warehouses and distribution centers where order picking is applied. For this, a proof of concept is proposed through a Ras...
Casimir energy with chiral fermions on a quantum computer
J. K. Stecenko, Yuan Feng, M. McGuigan·May 5, 2021
In this paper we discuss the computation of Casimir energy on a quantum computer. The Casimir energy is an ideal quantity to calculate on a quantum computer as near term hybrid classical quantum algorithms exist to calculate the ground state energy a...