Quantum Brain

Papers

Live trends in quantum computing research, updated daily from arXiv.

Total Papers

27,749

This Month

1,196

Today

0

Research Volume

13,047 papers in 12 months (-2% vs prior quarter)

Research Focus Areas

Papers by research theme (12 months). Hover for details.

Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

2,470 papers found

Efficient Parameterised Compilation for Hybrid Quantum Programming

Anna M. Krol, Koen J. Mesman, A. Sarkar +1 more·Aug 16, 2022

Near term quantum devices have the potential to outperform classical computing through the use of hybrid classical-quantum algorithms such as Variational Quantum Eigensolvers. These iterative algorithms use a classical optimiser to update a parameter...

Computer SciencePhysics

Towards the simulation of transition-metal oxides of the cathode battery materials using VQE methods

M. Farag, J. Ghosh·Aug 16, 2022

Variational quantum eigensolver (VQE) is a hybrid quantum-classical technique that leverages noisy intermediate scale quantum (NISQ) hardware to obtain the minimum eigenvalue of a model Hamiltonian. VQE has so far been used to simulate condensed matt...

Physics

Mixed Quantum–Classical Method for Fraud Detection With Quantum Feature Selection

M. Grossi, Noelle Ibrahim, V. Radescu +4 more·Aug 16, 2022

This article presents a first end-to-end application of a quantum support vector machine (QSVM) algorithm for a classification problem in the financial payment industry using the IBM Safer Payments and IBM Quantum Computers via the Qiskit software st...

PhysicsComputer Science

Multidisk Clutch Optimization Using Quantum Annealing

J. Malcolm, Alexander Roth, Mladjan Radic +5 more·Aug 11, 2022

In this article, we apply a quantum optimization algorithm to solve a combinatorial problem with significant practical relevance occurring in clutch manufacturing. It is demonstrated how quantum optimization can play a role in real industrial applica...

Physics

An Example of Use of Variational Methods in Quantum Machine Learning

Marco Simonetti, Damiano Perri, O. Gervasi·Aug 7, 2022

This paper introduces a deep learning system based on a quantum neural network for the binary classification of points of a specific geometric pattern (Two-Moons Classification problem) on a plane. We believe that the use of hybrid deep learning syst...

Computer SciencePhysics

Hybrid Gate-Based and Annealing Quantum Computing for Large-Size Ising Problems

Chen-Yu Liu, H. Goan·Aug 5, 2022

One of the major problems of most quantum computing applications is that the required number of qubits to solve a practical problem is much larger than that of today’s quantum hardware. Therefore, finding a way to make the best of today’s quantum hard...

Physics

Active learning on a programmable photonic quantum processor

Chen Ding, Xiao-Yue Xu, Yun-Fei Niu +3 more·Aug 3, 2022

Training a quantum machine learning model generally requires a large labeled dataset, which incurs high labeling and computational costs. To reduce such costs, a selective training strategy, called active learning (AL), chooses only a subset of the o...

PhysicsComputer Science

Application of a variational hybrid quantum-classical algorithm to heat conduction equation and analysis of time complexity

Yangyang Liu, Zhen Chen, Chi-Wang Shu +2 more·Jul 29, 2022

The prosperous development of both hardware and algorithms for quantum computing (QC) potentially prompts a paradigm shift in scientific computing in various fields. As an increasingly active topic in QC, the variational quantum algorithm (VQA) leads...

Physics

Experimental Simulation of Larger Quantum Circuits with Fewer Superconducting Qubits.

C. Ying, Bin Cheng, You-Wei Zhao +14 more·Jul 28, 2022

Although near-term quantum computing devices are still limited by the quantity and quality of qubits in the so-called NISQ era, quantum computational advantage has been experimentally demonstrated. Moreover, hybrid architectures of quantum and classi...

MedicinePhysics

A Copositive Framework for Analysis of Hybrid Ising-Classical Algorithms

Robin Brown, D. E. B. Neira, D. Venturelli +1 more·Jul 27, 2022

Recent years have seen significant advances in quantum/quantum-inspired technologies capable of approximately searching for the ground state of Ising spin Hamiltonians. The promise of leveraging such technologies to accelerate the solution of difficu...

Computer ScienceMathematicsPhysics

Digital-Analog Co-Design of the Harrow-Hassidim-Lloyd Algorithm

Ana Martin, Rubén Ibarrondo, M. Sanz·Jul 27, 2022

The Harrow-Hassidim-Lloyd quantum algorithm was proposed to solve linear systems of equations $A\vec{x} = \vec{b}$ and it is the core of various applications. However, there is not an explicit quantum circuit for the subroutine which maps the inverse...

Physics

Well-conditioned multi-product formulas for hardware-friendly Hamiltonian simulation

Almudena Carrera Vazquez, D. Egger, David Ochsner +1 more·Jul 22, 2022

Simulating the time-evolution of a Hamiltonian is one of the most promising applications of quantum computers. Multi-Product Formulas (MPFs) are well suited to replace standard product formulas since they scale better with respect to time and approxi...

Computer SciencePhysics

Reminiscence of Classical Chaos in Driven Transmons

Joachim Cohen, A. Petrescu, R. Shillito +1 more·Jul 19, 2022

Transmon qubits are ubiquitously used in superconducting quantum information processor architectures. Strong drives are required to realize fast, high-fidelity, gates and measurements, including parametrically activated processes. Here, we show that ...

Physics

Levy-Lieb embedding of density-functional theory and its quantum kernel: Illustration for the Hubbard dimer using near-term quantum algorithms

C. D. Pemmaraju, Amol Deshmukh·Jul 19, 2022

The constrained-search formulation of Levy and Lieb provides a concrete mapping from N representable densities to the space of N -particle wavefunctions and explicitly defines the universal functional of density functional theory. We numerically imple...

Physics

Comparative Benchmark of a Quantum Algorithm for the Bin Packing Problem

Mikel Garcia de Andoin, I. Oregi, Esther Villar-Rodriguez +2 more·Jul 15, 2022

The Bin Packing Problem (BPP) stands out as a paradigmatic combinatorial optimization problem in logistics. Quantum and hybrid quantum-classical algorithms are expected to show an advantage over their classical counterparts in obtaining approximate s...

PhysicsComputer Science

Distributed Shor's algorithm

Li Xiao, Daowen Qiu, Leon Luo +1 more·Jul 13, 2022

Shor's algorithm is one of the most important quantum algorithm proposed by Peter Shor [Proceedings of the 35th Annual Symposium on Foundations of Computer Science, 1994, pp. 124--134]. Shor's algorithm can factor a large integer with certain probabi...

Computer SciencePhysics

Quantum Data Reduction with Application to Video Classification

Kostas Blekos, D. Kosmopoulos·Jul 13, 2022

We investigate a quantum data reduction technique with application to video classification. A hybrid quantum-classical step performs data reduction on the video dataset generating “representative” distributions for each video class. These distributio...

Computer SciencePhysics

Multi-Objective Evolutionary Architecture Search for Parameterized Quantum Circuits

Lidong Ding, L. Spector·Jul 9, 2022

Recent advancements in quantum computing have shown promising computational advantages in many problem areas. As one of those areas with increasing attention, hybrid quantum-classical machine learning systems have demonstrated the capability to solve...

Computer ScienceMedicinePhysics

Hybrid quantum-classical algorithms in the noisy intermediate-scale quantum era and beyond

A. Callison, N. Chancellor·Jul 8, 2022

Hybrid quantum-classical algorithms are central to much of the current research in quantum computing, particularly when considering the noisy intermediate-scale quantum (NISQ) era, with a number of experimental demonstrations having already been perf...

Physics

Unitary partitioning and the contextual subspace variational quantum eigensolver

Alexis Ralli, Tim Weaving, A. Tranter +3 more·Jul 7, 2022

The contextual subspace variational quantum eigensolver (CS-VQE) is a hybrid quantum-classical algorithm that approximates the ground-state energy of a given qubit Hamiltonian. It achieves this by separating the Hamiltonian into contextual and noncon...

Physics
Quantum Intelligence

Ask about quantum research, companies, or market developments.