Quantum Brain

Papers

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

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28,807

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482

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13,828 papers in 12 months (-12% vs prior quarter)

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28,807 papers found

A hybrid quantum neural network for split learning

Hevish Cowlessur, Chandra Thapa, Tansu Alpcan +1 more·Sep 24, 2024

Quantum machine learning (QML) is an emerging field of research with potential applications to distributed collaborative learning, such as split learning (SL). SL allows resource-constrained clients to collaboratively train ML models with a server, r...

Computer SciencePhysics

QHyper: an integration library for hybrid quantum-classical optimization

Tomasz Lam.za, Justyna Zawalska, Kacper Jurek +2 more·Sep 24, 2024

We propose the QHyper library, which is aimed at researchers working on computational experiments with a variety of quantum combinatorial optimization solvers. The library offers a simple and extensible interface for formulating combinatorial optimiz...

Computer Science

Curve-Fitted QPE: Extending Quantum Phase Estimation Results for a Higher Precision using Classical Post-Processing

S. M. Lim, C. E. Susa, R. Cohen·Sep 24, 2024

Quantum Phase Estimation is a crucial component of several front-running quantum algorithms. Improving the efficiency and accuracy of QPE is currently a very active field of research. In this work, we present a hybrid quantum-classical approach that ...

Physics

Dynamically Optimized Super‐Robust Nonadiabatic Holonomic Quantum Gates Based on Superconducting Circuits

Hai Xu, Wan-Xia Li, Tao Chen +2 more·Sep 24, 2024

Nonadiabatic holonomic quantum computation (NHQC) leverages non‐Abelian geometric phases within a nonadiabatic framework to achieve fast and robust quantum gate operations. However, the practical implementation of NHQC is challenged by the imperfec...

Physics

Scalable quantum dynamics compilation via quantum machine learning

Yuxuan Zhang, R. Wiersema, J. Carrasquilla +2 more·Sep 24, 2024

Quantum dynamics compilation is an important task for improving quantum simulation efficiency: It aims to synthesize multi-qubit target dynamics into a circuit consisting of as few elementary gates as possible. Compared to deterministic methods such ...

Computer SciencePhysics

Quantum-interference-induced pairing in bosonic doped antiferromagnets

Hao-Kai Zhang, Jia-Xin Zhang, Ji-Si Xu +2 more·Sep 23, 2024

The pairing mechanism in doped antiferromagnets is essential for understanding high-temperature superconductivity. In this work, we investigate the pairing mechanism in bosonic doped antiferromagnets via large-scale density matrix renormalization gro...

cond-mat.str-elcond-mat.supr-conQuantum Physics

Machine Learning Methods as Robust Quantum Noise Estimators

Jon Gardeazabal-Gutierrez, Erik B. Terres-Escudero, Pablo García Bringas·Sep 23, 2024

Access to quantum computing is steadily increasing each year as the speed advantage of quantum computers solidifies with the growing number of usable qubits. However, the inherent noise encountered when running these systems can lead to measurement i...

PhysicsComputer Science

Google Quantum AI's Quest for Error-Corrected Quantum Computers

M. AbuGhanem·Sep 23, 2024

Quantum computers stand at the forefront of technological innovation, offering exponential computational speed-ups that challenge classical computing capabilities. At the cutting edge of this transformation is Google Quantum AI, a leader in driving f...

PhysicsComputer Science

Geometric Phase Transition of the Three-Dimensional Z_{2} Lattice Gauge Model.

Ramgopal Agrawal, L. Cugliandolo, L. Faoro +2 more·Sep 23, 2024

After fifty years of lattice gauge theories (LGTs), the nature of the transition between their topological phases (confinement or deconfinement) remains challenging due to the absence of a local order parameter. In this work, we conduct a percolation...

MedicinePhysics

Phonon Dephasing, Entanglement and Exchange-Only Toffoli Gate Sequence in Quantum Dot Spin Chains

Guanjie He·Sep 23, 2024

The quantum dot spin chain system is vital for quantum simulation and studying collective electron behaviors, necessitating an understanding of its mechanisms and control protocols. Chapter 1 introduces key concepts, focusing on the extended Hubbard ...

Physics

Quantum error correction of qudits beyond break-even

Benjamin L. Brock, Shraddha Singh, A. Eickbusch +5 more·Sep 23, 2024

Hilbert space dimension is a key resource for quantum information processing1,2. Not only is a large overall Hilbert space an essential requirement for quantum error correction, but a large local Hilbert space can also be advantageous for realizing g...

MedicinePhysics

QueenV2: Future of Quantum Circuit Simulation

Chuan-Chi Wang·Sep 23, 2024

A state vector-based quantum circuit simulation can provide accurate results for the development and validation of quantum computing algorithms, without being affected by noise interference. However, existing quantum circuit simulators have consisten...

Computer SciencePhysics

Experimental Simulation of Two Pulses and Three Pulses Coherent One Way Quantum Key Distribution Protocol in Noisy/Noiseless and Wired/Wireless Environment

A. Roy, Arpita Maitra, S. Pal·Sep 23, 2024

Due to the rapid advancement of quantum technology, the traditional established classical cryptographic protocols are no longer secure. To make the world quantum safe, different quantum protocols have been taken into account. Quantum Key Distribution...

Physics

Towards defending crosstalk-mediated attacks in multi-tenant quantum computing

Devika Mehra, Amir Kalev·Sep 22, 2024

With the increasing demand for quantum hardware, shared and multi-tenant environments have been proposed to optimize resource utilization. However, the multi-tenancy paradigm in quantum computing inherently introduces security threats. This paper exa...

Quantum Physics

Flag-Proxy Networks: Overcoming the Architectural, Scheduling and Decoding Obstacles of Quantum LDPC Codes

Suhas Vittal, Ali Javadi-Abhari, Andrew W. Cross +2 more·Sep 22, 2024

Quantum error correction is necessary for achieving exponential speedups on important applications. The planar surface code has remained the most studied error-correcting code for the last two decades because of its relative simplicity. However, enco...

Computer SciencePhysics

Gate Optimization of NEQR Quantum Circuits via PPRM Transformation

Shahab Iranmanesh, Hossein Aghababa, K. Fouladi·Sep 22, 2024

Quantum image representation (QIR) is a key challenge in quantum image processing (QIP) due to the large number of pixels in images, which increases the need for quantum gates and qubits. However, current quantum systems face limitations in run-time ...

PhysicsComputer Science

Implicit Test Oracles for Quantum Computing

W. B. Langdon·Sep 21, 2024

Testing can be key to software quality assurance. Automated verification may increase throughput and reduce human fallibility errors. Test scripts supply inputs, run programs and check their outputs mechanically using test oracles. In software engine...

Computer SciencePhysics

Quantum Data Management in the NISQ Era

Rihan Hai, Shih-Han Hung, Tim Coopmans +2 more·Sep 21, 2024

Quantum computing has emerged as a transformative force in the evolution of computing technology. Recent efforts have applied quantum techniques to classical database challenges, such as query optimization, data integration, index selection, and tr...

Computer SciencePhysics

Quantum Computing for Automotive Applications: From Algorithms to Applications

B. G. Q. T. -. C. A. Riofr'io, Johannes Klepsch, Jernej Rudi Finžgar +6 more·Sep 21, 2024

Quantum computing could impact various industries, with the automotive industry with many computational challenges, from optimizing supply chains and manufacturing to vehicle engineering, being particularly promising. This chapter investigates state-...

Computer SciencePhysics

Efficient Measurement-Driven Eigenenergy Estimation with Classical Shadows

Yizhi Shen, Alex Buzali, Hong-Ye Hu +4 more·Sep 20, 2024

Quantum algorithms exploiting real-time evolution under a target Hamiltonian have demonstrated remarkable efficiency in extracting key spectral information. However, the broader potential of these methods, particularly beyond ground state calculation...

Quantum Physics
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