Quantum Brain

Papers

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

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27,694

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1,159

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13,010 papers in 12 months (-3% vs prior quarter)

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

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4,717 papers found

A universal circuit set using the S3 quantum double

Liyuan Chen, Yuanjie Ren, Ruihua Fan +1 more·Nov 14, 2024

One potential route toward fault-tolerant universal quantum computation is to use non-Abelian topological codes. In this work, we investigate how to achieve this goal with the quantum double model D(S3)\documentclass[12pt]{minimal} \usepackage{amsmat...

Physics

Quantum multi-output Gaussian Processes based Machine Learning for Line Parameter Estimation in Electrical Grids

Priyanka Arkalgud Ganeshamurthy, K. Ghosh, Corey O’Meara +3 more·Nov 14, 2024

Gaussian process (GP) is a powerful modeling method with applications in machine learning for various engineering and non-engineering fields. Despite numerous benefits of modeling using GPs, the computational complexity associated with GPs demanding ...

Physics

Classical Verification of Quantum Learning Advantages with Noises

Yi Ma, Jiaxi Su, Dong-Ling Deng·Nov 14, 2024

Classical verification of quantum learning allows classical clients to reliably leverage quantum computing advantages by interacting with untrusted quantum servers. Yet, current quantum devices available in practice suffers from a variety of noises a...

Computer SciencePhysics

Quantum computing inspired paintings: reinterpreting classical masterpieces

Arianna Crippa, Yahui Chai, Omar Costa Hamido +2 more·Nov 14, 2024

We aim to apply a quantum computing technique to compose artworks. The main idea is to revisit three paintings of different styles and historical periods:''Narciso'', painted circa 1597-1599 by Michelangelo Merisi (Caravaggio),''Les fils de l'homme''...

Computer SciencePhysics

Nonlinear protocol for high-dimensional quantum teleportation

Luca Bianchi, Carlo Marconi, Giulia Guarda +1 more·Nov 14, 2024

Bell measurements, which allow entanglement between uncorrelated distant particles, play a central role in quantum communication. Indeed sharing, measuring and creating entanglement lie at the core of various protocols, such as entanglement swapping ...

Physics

Noise-adapted quantum error correction for non-Markovian noise

Debjyoti Biswas, Shrikant Utagi, Prabha Mandayam·Nov 14, 2024

We consider the problem of quantum error correction (QEC) for non-Markovian noise. Using the well known Petz recovery map, we first show that conditions for approximate QEC can be easily generalized for the case of non-Markovian noise, in the strong ...

PhysicsMathematics

Architectural Patterns for Designing Quantum Artificial Intelligence Systems

Mykhailo V. Klymenko, Thong Hoang, Xiwei Xu +4 more·Nov 14, 2024

Utilising quantum computing technology to enhance artificial intelligence systems is expected to improve training and inference times, increase robustness against noise and adversarial attacks, and reduce the number of parameters without compromising...

Computer SciencePhysics

Real-time measurement error mitigation for one-way quantum computation

T. Hartung, Stephan Schuster, J. Zanthier +1 more·Nov 13, 2024

We propose a quantum error mitigation scheme for single-qubit measurement errors, particularly suited for one-way quantum computation. Contrary to well established error mitigation methods for circuit-based quantum computation, that require to run th...

Physics

A fiber array architecture for atom quantum computing

Xiao Li, Jiayi Hou, Jia-Chao Wang +8 more·Nov 13, 2024

Arrays of single atoms trapped in optical tweezers are increasingly recognized as a promising platform for scalable quantum computing. In both the fault-tolerant and NISQ eras, the ability to individually control qubits is essential for the efficient...

PhysicsMedicine

Extending Quantum Perceptrons: Rydberg Devices, Multi-Class Classification, and Error Tolerance

Ishita Agarwal, T. Patti, Rodrigo Araiza Bravo +2 more·Nov 13, 2024

Quantum Neuromorphic Computing (QNC) merges quantum computation with neural computation to create scalable, noise-resilient algorithms for quantum machine learning (QML). At the core of QNC is the quantum perceptron (QP), which leverages the analog d...

Physics

A cat qubit stabilization scheme using a voltage biased Josephson junction

Thiziri Aissaoui, A. Murani, R. Lescanne +1 more·Nov 12, 2024

DC-voltage-biased Josephson junctions have been recently employed in superconducting circuits for Hamiltonian engineering, demonstrating microwave amplification, single photon sources and entangled photon generation. Compared to more conventional app...

Physics

Trapped-ion quantum simulation of the Fermi-Hubbard model as a lattice gauge theory using hardware-aware native gates

Dhruv Srinivasan, Alex Beyer, Daiwei Zhu +8 more·Nov 12, 2024

The Fermi-Hubbard model (FHM) is a simple yet rich model of strongly interacting electrons with complex dynamics and a variety of emerging quantum phases. These properties make it a compelling target for digital quantum simulation. Trotterization-bas...

Physics

Low Bit‐Flip Rate Probabilistic Error Cancellation

Mathys Rennela, Harold Ollivier·Nov 10, 2024

Noise remains one of the most significant challenges in the development of reliable and scalable quantum processors. While quantum error correction and mitigation techniques offer potential solutions, they are often limited by the substantial overhea...

Physics

Analysis of the confinement string in (2 + 1)-dimensional Quantum Electrodynamics with a trapped-ion quantum computer

Arianna Crippa, Karl Jansen, Enrico Rinaldi·Nov 8, 2024

Compact lattice Quantum Electrodynamics is a complex quantum field theory with dynamical gauge and matter fields and it has similarities with Quantum Chromodynamics, in particular asymptotic freedom and confinement. We consider a (2+1)-dimensional la...

Physics

Quantum benchmarking of high-fidelity noise-biased operations on a detuned Kerr-cat qubit.

Bingcheng Qing, Ahmed Hajr, Ke Wang +19 more·Nov 7, 2024

Ubiquitous noise sources in quantum systems remain a key obstacle to building quantum computers, necessitating the use of quantum error correction codes. Recently, error-correcting codes tailored for noise-biased systems have been shown to offer high...

MedicinePhysics

Tailoring dynamical codes for biased noise: the X3Z3 Floquet code

F. Setiawan, Campbell McLauchlan·Nov 7, 2024

We propose the X3Z3 Floquet code, a dynamical code with improved performance under biased noise compared to other Floquet codes. The enhanced performance is attributed to a simplified decoding problem resulting from a persistent stabiliser-product sy...

Physics

Quantum Advantage with Faulty Oracle

David Rasmussen Lolck, Laura Manvcinska, Manaswi Paraashar·Nov 7, 2024

This paper investigates the impact of noise in the quantum query model, a fundamental framework for quantum algorithms. We focus on the scenario where the oracle is subject to non-unitary (or irreversible) noise, specifically under the \textit{faulty...

Physics

Complexity of Local Quantum Circuits under Nonunital Noise

O. Shtanko, Kunal Sharma·Nov 7, 2024

It is widely accepted that noisy quantum devices are limited to logarithmic depth circuits unless mid-circuit measurements and error correction are employed. However, this conclusion holds only for unital error channels, such as depolarizing noise. B...

Physics

Quantum Diffusion Models for Few-Shot Learning

Ruhan Wang, Ye Wang, Jing Liu +1 more·Nov 6, 2024

Modern quantum machine learning (QML) methods involve the variational optimization of parameterized quantum circuits on training datasets, followed by predictions on testing datasets. Most state-of-the-art QML algorithms currently lack practical adva...

Computer Science

Self-consistent Quantum Linear Response with a Polarizable Embedding Environment.

Peter Reinholdt, E. Kjellgren, K. M. Ziems +3 more·Nov 6, 2024

Quantum computing presents a promising avenue for solving complex problems, particularly in quantum chemistry, where it could accelerate the computation of molecular properties and excited states. This work focuses on computing excitation energies wi...

PhysicsMedicine
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