Quantum Brain

Papers

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

Total Papers

27,548

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1,041

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Research Volume

12,894 papers in 12 months (-5% vs prior quarter)

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

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2,459 papers found

Fusing matrix-product states with quantum Monte Carlo: reducing entanglement and sign problem at the same time

Gunnar Bollmark, Sam Mardazad, Johannes S. Hofmann +1 more·Nov 1, 2024

Systems of correlated quantum matter can be a steep challenge to any would-be method of solution. Matrix-product state (MPS)-based methods can describe 1D systems quasiexactly, but often struggle to retain sufficient bipartite entanglement to accurat...

Physics

Hybrid cat-transmon architecture for scalable, hardware-efficient quantum error correction

Connor T. Hann, Kyungjoo Noh, Harald Putterman +6 more·Oct 30, 2024

Dissipative cat qubits are a promising physical platform for quantum computing, since their large noise bias can enable more hardware-efficient quantum error correction. In this work we theoretically study the long-term prospects of a hybrid cat-tran...

Physics

A fast hybrid classical-quantum algorithm based on block successive over-relaxation for the heat differential equation

Azim Farghadan, M. Farahani, Mohsen Akbari·Oct 29, 2024

The numerical solution of partial differential equations (PDEs) is essential in computational physics. Over the past few decades, various quantum-based methods have been developed to formulate and solve PDEs. Solving PDEs incur high time complexity f...

Physics

Designing Majorana Quasiparticles in InAsP Quantum Dots in InP Nanowires with Variational Quantum Eigenvalue Solver

Mahan Mohseni, Iann Cunha, D. Miravet +5 more·Oct 29, 2024

This work presents steps toward the design of Majorana zero modes (MZM) in InAsP quantum dots embedded in an InP semiconducting nanowire in contact with a p‐type superconductor described by the Kitaev Hamiltonian. The single‐particle spectrum is obta...

Physics

Hybrid quantum-classical approach for combinatorial problems at hadron colliders

Jacob L. Scott, Zhongtian Dong, Taejoon Kim +2 more·Oct 29, 2024

In recent years, quantum computing has drawn significant interest within the field of high-energy physics. We explore the potential of quantum algorithms to resolve the combinatorial problems in particle physics experiments. As a concrete example, we...

Physics

Machine Learning and Quantum Intelligence for Health Data Scenarios

S. Naguleswaran·Oct 28, 2024

The advent of quantum computing has opened new possibilities in data science, offering unique capabilities for addressing complex, data-intensive problems. Traditional machine learning algorithms often face challenges in high-dimensional or limited-q...

Computer SciencePhysics

Approaches to Simultaneously Solving Variational Quantum Eigensolver Problems

A. Hutchings, Eric Yarnot, Xinpeng Li +4 more·Oct 28, 2024

The variational quantum eigensolver (VQE), a type of variational quantum algorithm, is a hybrid quantum-classical algorithm to find the lowest-energy eigenstate of a particular Hamiltonian. We investigate ways to optimize the VQE solving process on m...

PhysicsComputer Science

Deep Optimizer States: Towards Scalable Training of Transformer Models Using Interleaved Offloading

Avinash Maurya, Jie Ye, M. Mustafa Rafique +2 more·Oct 26, 2024

Transformers and large language models~(LLMs) have seen rapid adoption in all domains. Their sizes have exploded to hundreds of billions of parameters and keep increasing. Under these circumstances, the training of transformers is very expensive and ...

cs.LGAIcs.DCEmerging Tech

Characterizing Conical Intersections of Nucleobases on Quantum Computers.

Yuchen Wang, Cameron Cianci, Irma Avdic +7 more·Oct 24, 2024

Hybrid quantum-classical computing algorithms offer significant potential for accelerating the calculation of the electronic structure of strongly correlated molecules. In this work, we present the first quantum simulation of conical intersections (C...

MedicinePhysics

Adiabatic training for Variational Quantum Algorithms

Ernesto Acosta, C. C. Gutierrez, Guillermo Botella Juan +1 more·Oct 24, 2024

This paper presents a new hybrid Quantum Machine Learning (QML) model composed of three elements: a classical computer in charge of the data preparation and interpretation; a Gate-based Quantum Computer running the Variational Quantum Algorithm (VQA)...

PhysicsComputer Science

Fast classical simulation of qubit-qudit hybrid systems

Haemanth Velmurugan, Arnav Das, Turbasu Chatterjee +3 more·Oct 23, 2024

Simulating quantum circuits is a computationally intensive task that relies heavily on tensor products and matrix multiplications, which can be inefficient. Recent advancements, eliminate the need for tensor products and matrix multiplications, offer...

Computer SciencePhysics

Quantum Convolutional Neural Network: A Hybrid Quantum-Classical Approach for Iris Dataset Classification

S. Yousuf, Iqbal Tomal, Abdullah Al Shafin +2 more·Oct 21, 2024

This paper presents a hybrid quantum-classical machine learning model for classification tasks, integrating a 4-qubit quantum circuit with a classical neural network. The quantum circuit is designed to encode the features of the Iris dataset using an...

PhysicsComputer Science

Hybrid Quantum-HPC Solutions for Max-Cut: Bridging Classical and Quantum Algorithms

Ishan Patwardhan, Akhil Akkapelli·Oct 21, 2024

This research explores the integration of the Quantum Approximate Optimization Algorithm (QAOA) into Hybrid Quantum-HPC systems for solving the Max-Cut problem, comparing its performance with classical algorithms like brute-force search and greedy he...

PhysicsComputer Science

Projective Quantum Eigensolver with Generalized Operators

D. Mondal, Chayan Patra, Dipa Halder +1 more·Oct 21, 2024

Determination of molecular energetics and properties is one of the core challenges in the near-term quantum computing. To this end, hybrid quantum-classical algorithms are preferred for Noisy Intermediate Scale Quantum (NISQ) architectures. The Proje...

Physics

A Hybrid Quantum Solver for the Lorenz System

S. F. Hafshejani, D. Gaur, Arundhati Dasgupta +3 more·Oct 20, 2024

We develop a hybrid classical–quantum method for solving the Lorenz system. We use the forward Euler method to discretize the system in time, transforming it into a system of equations. This set of equations is solved by using the Variational Quantum...

Computer SciencePhysicsMathematicsMedicine

Quantum-Classical Computing via Tensor Networks

Nathaniel Tornow, C. Mendl, Pramod Bhatotia·Oct 19, 2024

Circuit knitting offers a promising path to the scalable execution of large quantum circuits by breaking them into smaller sub-circuits whose output is recombined through classical postprocessing. However, current techniques face excessive overhead d...

Physics

Quantum Boltzmann machine learning of ground-state energies

Dhrumil Patel, Dan Koch, Saahil Patel +1 more·Oct 16, 2024

Estimating the ground-state energy of Hamiltonians is a fundamental task for which it is believed that quantum computers can be helpful. Several approaches have been proposed toward this goal, including algorithms based on quantum phase estimation an...

PhysicsComputer ScienceMathematics

An Efficient Error Estimation Method in Quantum Key Distribution

Yingjian Wang, Yilun Hai, Buniechukwu Njoku +3 more·Oct 15, 2024

Error estimation is an important step for error correction in quantum key distribution. Traditional error estimation methods require sacrificing a part of the sifted key, forcing a trade-off between the accuracy of error estimation and the size of th...

Computer SciencePhysicsMathematics

Low-noise Optomechanical Single Phonon-photon Conversion for Quantum Networks

Liu Chen, Alexander Rolf Korsch, Cauê Moreno Kersul +4 more·Oct 14, 2024

Nano-structured optomechanical crystals (OMC) form an interface between mechanical modes with long coherence times and telecom optical photons, ideal for long-distance distribution of quantum information. However, the implementation of scalable quant...

Quantum Physicsphysics.optics

Quantum Neural Network for Accelerated Magnetic Resonance Imaging

Shuo Zhou, Yihang Zhou, Congcong Liu +4 more·Oct 12, 2024

Magnetic resonance image reconstruction starting from undersampled k-space data requires the recovery of many potential nonlinear features, which is very difficult for algorithms to recover these features. In recent years, the development of quantum ...

Computer ScienceEngineeringPhysics
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