Quantum Brain

Papers

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

Total Papers

30,392

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509

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0

Research Volume

14,824 papers in 12 months (-23% vs prior quarter)

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

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30,392 papers found

Classical Communication Cost of a Bipartite Quantum Channel Assisted by Non-Signaling Correlations

Chengkai Zhu, Xuanqiang Zhao, Xin Wang·Aug 5, 2024

Understanding the classical communication cost of simulating a quantum channel is a fundamental problem in quantum information theory, which becomes even more intriguing when considering the role of non-locality in quantum information processing. Thi...

PhysicsComputer Science

Assessing the Requirements for Industry Relevant Quantum Computation

Anna M. Krol, Marvin Erdmann, Ewan Munro +2 more·Aug 5, 2024

In this paper, we use open-source tools to perform quantum resource estimation to assess the requirements for industry-relevant quantum computation. Our analysis uses the problem of industrial shift scheduling in manufacturing and the Quantum Industr...

Computer SciencePhysics

Compact multi-threshold quantum information driven ansatz for strongly interactive lattice spin models

Fabio Tarocco, Davide Materia, Leonardo Ratini +1 more·Aug 5, 2024

Quantum algorithms based on the variational principle have found applications in diverse areas with a huge flexibility. But as the circuit size increases the variational landscapes become flattened, causing the so-called Barren plateau phenomena. Thi...

Physics

Adaptive Learning for Quantum Linear Regression

Costantino Carugno, Maurizio Ferrari Dacrema, Paolo Cremonesi·Aug 5, 2024

The recent availability of quantum annealers as cloud-based services has enabled new ways to handle machine learning problems, and several relevant algorithms have been adapted to run on these devices. In a recent work, linear regression was formulat...

Computer SciencePhysics

Scrambling-induced entanglement suppression in noisy quantum circuits

Lea Haas, Christian Carisch, O. Zilberberg·Aug 5, 2024

Quantum information scrambling is a process happening during thermalization in quantum systems and describes the delocalization of quantum information. It is closely tied to entanglement, a key resource for quantum technologies and an order parameter...

Physics

Quantum Transfer Learning for MNIST Classification Using a Hybrid Quantum-Classical Approach

Soumyadip Sarkar·Aug 5, 2024

We implement a hybrid quantum-classical model for image classification that compresses MNIST digit images into a low-dimensional feature space and then maps these features onto a 5-qubit quantum state. First, an autoencoder compresses each $28\times2...

PhysicsComputer Science

Quantum Information Theory on Sparse Wave Functions and Applications for Quantum Chemistry

Davide Materia, Leonardo Ratini, Leonardo Guidoni·Aug 5, 2024

In recent years Quantum Computing prominently entered in the field of Computational Chemistry, importing and transforming computational methods and ideas originally developed within other disciplines, such as Physics, Mathematics and Computer Science...

PhysicsMedicine

Quantum Clustering for Cybersecurity

Walid El Maouaki, Nouhaila Innan, Alberto Marchisio +3 more·Aug 5, 2024

In this study, we develop a novel quantum machine learning (QML) framework to analyze cybersecurity vulnerabilities using data from the 2022 CISA Known Exploited Vulnerabilities catalog, which includes detailed information on vulnerability types, sev...

Computer SciencePhysics

Approximating under the Influence of Quantum Noise and Compute Power

Simon Thelen, Hila Safi, Wolfgang Mauerer·Aug 5, 2024

The quantum approximate optimisation algorithm (QAOA) and its variants are at the core of many scenarios that aim at combining the power of quantum computers (QC) and classical high-performance computing (HPC) appliances for combinatorial optimisatio...

Computer SciencePhysics

Realizing a mechanical dynamical Casimir effect with a low-frequency oscillator

Tian Jiang, Jun Jing·Aug 5, 2024

We propose to realize a mechanical dynamical Casimir effect (MDCE) in a hybrid optomechanical system consisting of a cavity mode, a low-frequency mechanical oscillator, and a two-level atomic system. Described by the effective Hamiltonian, the mechan...

Physics

Bayesian rational agents in iterated quantum games

John B. DeBrota, Peter J. Love·Aug 4, 2024

We apply a Bayesian agent-based framework inspired by QBism to iterations of two quantum games, the CHSH game and the quantum prisoners' dilemma. In each two-player game, players hold beliefs about an amount of shared entanglement and about the actio...

Quantum Physics

Invested and Potential Magic Resources in Measurement-Based Quantum Computation.

Gong-Chu Li, Lei Chen, Si-Qi Zhang +8 more·Aug 4, 2024

Magic states and magic gates are crucial for achieving universal quantum computation, but important questions about how magic resources should be implemented to attain maximal quantum advantage have remained unexplored, especially in the context of m...

PhysicsMedicine

Using detector likelihood for benchmarking quantum error correction

Ian Hesner, Bence Het'enyi, James R. Wootton·Aug 4, 2024

The behavior of real quantum hardware differs strongly from the simple error models typically used when simulating quantum error correction. Error processes are far more complex than simple depolarizing noise applied to single gates, and error rates ...

Physics

Simulation of a Three‐Nucleons System Transition on Quantum Circuits

Luca Nigro, C. Barbieri, Enrico Prati·Aug 4, 2024

Quantum computers have proven to be effective in simulating many quantum systems. Simulating nuclear processes and state preparation poses significant challenges, even for traditional supercomputers. This study demonstrates the feasibility of a compl...

Physics

High Ground State Overlap via Quantum Embedding Methods

Mihael Eraković, Freek Witteveen, Dylan Harley +7 more·Aug 4, 2024

Quantum computers can accurately compute ground state energies using phase estimation, but this requires a guiding state that has significant overlap with the true ground state. For large molecules and extended materials, it becomes difficult to find...

Physics

Understanding Deep Learning via Notions of Rank

Noam Razin·Aug 4, 2024

Despite the extreme popularity of deep learning in science and industry, its formal understanding is limited. This thesis puts forth notions of rank as key for developing a theory of deep learning, focusing on the fundamental aspects of generalizatio...

Computer ScienceMathematics

Quantum Algorithms for the Variational Optimization of Correlated Electronic States with Stochastic Reconfiguration and the Linear Method.

Mario Motta, Kevin J Sung, J. Shee·Aug 3, 2024

Solving the electronic Schrodinger equation for strongly correlated ground states is a long-standing challenge. We present quantum algorithms for the variational optimization of wave functions correlated by products of unitary operators, such as Loca...

PhysicsMedicine

On Using The Path Integral Formalism to Interpret Synchronization in Quantum Graph Networks

J. Campbell·Aug 3, 2024

This article explores the application of the path integral formalism in describing synchronization phenomena in entangled networks, cavities, and reservoirs. We discuss the concept of using Lagrangian mechanics for systems undergoing synchronization ...

Physics

Investigation on a quantum algorithm for linear differential equations

Xiaojing Dong, Yizhen Peng, Qili Tang +2 more·Aug 3, 2024

Ref.[BCOW17] introduced a pioneering quantum approach (coined BCOW algorithm) for solving linear differential equations with optimal error tolerance. Originally designed for a specific class of diagonalizable linear differential equations, the algori...

Physics

Operator space fragmentation in perturbed Floquet-Clifford circuits

Marcell D. Kovács, Christopher J. Turner, Lluis Masanes +1 more·Aug 2, 2024

Floquet quantum circuits are able to realise a wide range of non-equilibrium quantum states, exhibiting quantum chaos, topological order and localisation. In this work, we investigate the stability of operator localisation and emergence of chaos in r...

Quantum Physicscond-mat.dis-nn
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