Quantum Brain

Papers

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

Total Papers

28,669

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367

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13,711 papers in 12 months (-14% vs prior quarter)

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

Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

28,669 papers found

Quantum Computing in Corrosion Modeling: Bridging Research and Industry

Juan Manuel Aguiar Hualde, Marek Kowalik, Lian Remme +7 more·Dec 10, 2024

Corrosion presents a major challenge to the longevity and reliability of products across various industries, particularly in the aerospace sector. Corrosion arises from chemical processes occurring on an atomistic scale, which lead to macroscopic deg...

Physics

Quantum Error Correction resilient against Atom Loss

Hugo Perrin, Sven Jandura, G. Pupillo·Dec 10, 2024

We investigate quantum error correction protocols for neutral atoms quantum processors in the presence of atom loss. We complement the surface code with loss detection units (LDU) and analyze its performances by means of circuit-level simulations for...

PhysicsComputer Science

Fault-tolerant operation and materials science with neutral atom logical qubits

M. J. Bedalov, M. Blakely, P. D. Buttler +27 more·Dec 10, 2024

We report on the fault-tolerant operation of logical qubits on a neutral atom quantum computer, with logical performance surpassing physical performance for multiple circuits including Bell state preparation (12x error reduction), random circuits (15...

Physics

Quantum Vs. Classical Machine Learning Algorithms for Software Defect Prediction: Challenges and Opportunities

M. Nadim, Mohammad Hassan, A. K. Mandal +1 more·Dec 10, 2024

Software defect prediction is a critical aspect of software quality assurance, as it enables early identification and mitigation of defects, thereby reducing the cost and impact of software failures. Over the past few years, quantum computing has ris...

Computer Science

Predicting Chaotic Systems with Quantum Echo-state Networks

Erik L. Connerty, Ethan N. Evans, Gerasimos Angelatos +1 more·Dec 10, 2024

Recent advancements in artificial neural networks have enabled impressive tasks on classical computers, but they demand significant computational resources. While quantum computing offers potential beyond classical systems, the advantages of quantum ...

Computer SciencePhysics

A clustering aggregation algorithm on neutral-atoms and annealing quantum processors

Riccardo Scotti, Gabriella Bettonte, A. Costantini +3 more·Dec 10, 2024

This work presents a hybrid quantum-classical algorithm to perform clustering aggregation, designed for neutral-atoms quantum computers and quantum annealers. Clustering aggregation is a technique that mitigates the weaknesses of clustering algorithm...

Computer SciencePhysics

Direct phase encoding in QAOA: Describing combinatorial optimization problems through binary decision variables

Simon Garhofer, Oliver Bringmann·Dec 10, 2024

The Quantum Approximate Optimization Algorithm (QAOA) and its derived variants are widely in use for approximating combinatorial optimization problem instances on gate-based Noisy Intermediate Scale Quantum (NISQ) computers. Commonly, circuits requir...

Physics

Modeling and Simulating Rydberg Atom Quantum Computers for Hardware-Software Co-design with PachinQo

J. Ludmir, Yuqian Huo, Nicholas S. DiBrita +1 more·Dec 10, 2024

Quantum computing has the potential to accelerate various domains: scientific computation, machine learning, and optimization. Recently, Rydberg atom quantum computing has emerged as a promising quantum computing technology, especially with the demon...

PhysicsComputer Science

Design and synthesis of scalable quantum programs

Tomer Goldfriend, Israel Reichental, Amir Naveh +42 more·Dec 10, 2024

We present a scalable, robust approach to creating quantum programs of arbitrary size and complexity. The approach is based on the true abstraction of the problem. The quantum program is expressed in terms of a high-level model together with constrai...

Physics

Symmetry verification for noisy quantum simulations of non-Abelian lattice gauge theories

Edoardo Ballini, Julius Mildenberger, Matteo M. Wauters +1 more·Dec 10, 2024

Non-Abelian gauge theories underlie our understanding of fundamental forces of modern physics. Simulating them on quantum hardware is an outstanding challenge in the rapidly evolving field of quantum simulation. A key prerequisite is the protection o...

PhysicsComputer Science

Robust analog quantum simulators by quantum error-detecting codes

Yingkang Cao, Suying Liu, Haowei Deng +3 more·Dec 10, 2024

Achieving noise resilience is an outstanding challenge in Hamiltonian-based quantum computation. To this end, energy-gap protection provides a promising approach, where the desired quantum dynamics are encoded into the ground space of a penalty Hamil...

Physics

Catalytic channels are the only noise-robust catalytic processes

Jeongrak Son, Ray Ganardi, Shintaro Minagawa +3 more·Dec 9, 2024

Catalysis refers to the possibility of enabling otherwise inaccessible quantum state transitions by supplying an auxiliary system, provided that the auxiliary is returned to its initial state at the end of the protocol. We show that previous studies ...

Quantum Physics

Performance and achievable rates of the Gottesman-Kitaev-Preskill code for pure-loss and amplification channels

Guo Zheng, Wenhao He, Gideon Lee +2 more·Dec 9, 2024

Quantum error correction codes protect information from realistic noisy channels and lie at the heart of quantum computation and communication tasks. Understanding the optimal performance and other information-theoretic properties, such as the achiev...

Physics

Quantum Algorithms for Optimal Power Flow

S. F. Hafshejani, M. Uddin, David Neufeld +2 more·Dec 9, 2024

This paper explores the use of quantum computing, specifically the use of HHL and VQLS algorithms, to solve optimal power flow problem in electrical grids. We investigate the effectiveness of these quantum algorithms in comparison to classical method...

Computer SciencePhysicsEngineeringMathematics

Entanglement of assistance as a measure of multiparty entanglement

Indranil Biswas, Atanu Bhunia, Subrata Bera +2 more·Dec 9, 2024

Quantifying multipartite entanglement poses a significant challenge in quantum information theory, prompting recent advancements in methodologies to assess it. We introduce the notion of \enquote{Volume of Assistance} (VoA), which computes the geomet...

Physics

Quantum Discrete Adiabatic Linear Solver based on Block Encoding and Eigenvalue Separator

Guojian Wu, Fang Gao, Qing Gao +1 more·Dec 9, 2024

Linear system solvers are widely used in scientific computing, with the primary goal of solving linear system problems. Classical iterative algorithms typically rely on the conjugate gradient method. The rise of quantum computing has spurred interest...

PhysicsComputer Science

Variational quantum compiling for three-qubit-gate design in quantum dots

Yuan-Hang Zhou, Huaxin He, Fengtao Pang +3 more·Dec 9, 2024

Semiconductor quantum dots offer a promising platform for controlling spin qubits and realizing quantum logic gates, essential for scalable quantum computing. In this work, we utilize a variational quantum compiling algorithm to design efficient thre...

Physics

Multimodal Purcell enhancement and optical coherence of Eu3+ ions in a single nanoparticle coupled to a microcavity

Timon Eichhorn, Nicholas Jobbitt, S. Bieling +8 more·Dec 9, 2024

Abstract Europium-doped nanocrystals constitute a promising material for a scalable future quantum computing platform. Long-lived nuclear spin states could serve as qubits addressed via coherent optical transitions. In order to realize an efficient s...

PhysicsMedicine

Optimizing Qubit Mapping with Quasi-Orthogonal Space-Time Block Codes and Quaternion Orthogonal Designs

Valentine Nyirahafashimana, Nurisya Mohd Shah, Umair Abdul Halim +2 more·Dec 9, 2024

This study explores the qubit mapping through the integration of Quasi-Orthogonal Space-Time Block Codes (QOSTBCs) with Quaternion Orthogonal Designs (QODs) in quantum error correction (QEC) frameworks. QOSTBCs have gained prominence for enhancing pe...

PhysicsMathematics

Families of d=2 2D subsystem stabilizer codes for universal Hamiltonian quantum computation with two-body interactions

Phattharaporn Singkanipa, Zihan Xia, Daniel A. Lidar·Dec 9, 2024

In the absence of fault tolerant quantum error correction for analog, Hamiltonian quantum computation, error suppression via energy penalties is an effective alternative. We construct families of distance-2 stabilizer subsystem codes we call “trapezo...

PhysicsComputer Science
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