Quantum Brain

Papers

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

Total Papers

28,402

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150

Today

0

Research Volume

13,509 papers in 12 months (-19% vs prior quarter)

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

Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

28,402 papers found

Scalable Quantum Architecture Search via Landscape Analysis

Chenghong Zhu, Xian Wu, Hao-Kai Zhang +3 more·May 8, 2025

Balancing trainability and expressibility is a central challenge in variational quantum computing, and quantum architecture search (QAS) plays a pivotal role by automatically designing problem-specific parameterized circuits that address this trade-o...

Physics

Quantum Simulation of Dynamical Response Functions of Equilibrium States

E. Cruz, Dominik S. Wild, M. Bañuls +1 more·May 8, 2025

The computation of dynamical response functions is central to many problems in condensed matter physics. Owing to the rapid growth of quantum correlations following a quench, classical methods face significant challenges even if an efficient descript...

Physics

A short review on qudit quantum machine learning

Tiago de Souza Farias, Lucas Friedrich, Jonas Maziero·May 8, 2025

As quantum devices scale toward practical machine learning applications, the binary qubit paradigm faces expressivity and resource efficiency limitations. Multi-level quantum systems, or qudits, offer a promising alternative by harnessing a larger Hi...

Physics

A Solovay-Kitaev theorem for quantum signal processing

Z. M. Rossi·May 8, 2025

Quantum signal processing (QSP) studies quantum circuits interleaving known unitaries (the phases) and unknown unitaries encoding a hidden scalar (the signal). For a wide class of functions one can quickly compute the phases applying a desired functi...

Physics

Quantum-enabled optical large-baseline interferometry: applications, protocols and feasibility

Zixin Huang, Oleg Titov, Mikolaj K. Schmidt +4 more·May 7, 2025

Optical Very Long Baseline Interferometry (VLBI) offers the potential for unprecedented angular resolution in both astronomical imaging and precision measurements. Classical approaches, however, face significant limitations due to photon loss, backgr...

Quantum Physicsastro-ph.IM

Dissipation meets conformal interface in open quantum systems: How the relaxation rate is suppressed

Ruhanshi Barad, Qicheng Tang, Xueda Wen·May 7, 2025

Conformal interfaces play an important role in quantum critical systems. In closed systems, the transmission properties of conformal interfaces are typically characterized by two quantities: One is the effective central charge $c_{\text{eff}}$, which...

cond-mat.str-elhep-thQuantum Physics

Measurement-driven quantum advantages in shallow circuits

Chenfeng Cao, Jens Eisert·May 7, 2025

Quantum advantage schemes probe the boundary between classically simulatable and classically intractable quantum dynamics. We explore the impact of mid-circuit measurements on the computational power of quantum circuits. To this effect, we focus on q...

Quantum Physics

Adiabatic state preparation and thermalization of simulated phase noise in a Rydberg spin Hamiltonian

Tomas Kozlej, Gerard Pelegri, Jonathan D. Pritchard +1 more·May 7, 2025

Laser phase noise is one of the main sources of decoherence in driven Rydberg systems with neutral atoms in tweezer arrays. While the effect of phase noise in the regimes of isolated qubits and few-qubit gate protocols has been studied extensively, t...

Quantum Physics

Quantum simulation of many-body dynamics with noise-robust Trotter decomposition based on symmetric structures

Bo Yang, Naoki Negishi·May 7, 2025

The Suzuki-Trotter decomposition, which digitalizes quantum time evolution, provides a promising framework for simulating quantum dynamics on quantum hardware and exploring quantum advantage over classical computation. However, conventional Trotter c...

Quantum Physics

Correlating noise floor with magic and entanglement in Pauli product states

Erika Lloyd, Alexandre Fleury, Marc P. Coons +2 more·May 7, 2025

The dependence of quantum algorithms on state fidelity is difficult to characterize analytically and is best explored experimentally as hardware scales and noisy simulations become intractable. While low fidelity states are often disregarded, they ma...

Physics

Quantum information processing in modular cavity QED architectures

Z. M. McIntyre·May 7, 2025

This thesis contains a collection of articles exploring various aspects of quantum information processing with cavity quantum electrodynamics (QED), starting with qubit noise spectroscopy and building towards the longer-term goal of modular quantum-c...

Physics

Spontaneous Raman scattering out of a metastable atomic qubit

I. Moore, A. Quinn, J. O'Reilly +5 more·May 7, 2025

Metastable qubits in atomic systems can enable large-scale quantum computing by simplifying hardware requirements and adding efficient erasure conversion to the pre-existing toolbox of high-fidelity laser-based control. For trapped atomic ions, the f...

Physics

Progress in the development of quantum algorithms and software

Anastasiia S. Nikolaeva, D. O. Konina, A. Antipov +10 more·May 7, 2025

A quantum processor, like any computing device, requires the development of both hardware and the necessary set of software solutions, starting with quantum algorithms and ending with means of accessing quantum devices. As part of the roadmap for the...

Physics

A review of applications of Quantum Energy Teleportation: from experimental tests to thermodynamics and spacetime engineering

Boris Ragula, Eduardo Mart'in-Mart'inez·May 7, 2025

Quantum energy teleportation (QET) exploits the existence of correlations to enable remote energy transfer without the need for physical energy carriers between emitter and receiver. This paper presents a review of the thermodynamic foundations of QE...

Physics

Applied Post Quantum Cryptography: A Practical Approach for Generating Certificates in Industrial Environments

Nino Ricchizzi, Christian Schwinne, Jan Pelzl·May 7, 2025

The transition to post-quantum cryptography (PQC) presents significant challenges for certificate-based identity management in industrial environments, where secure onboarding of devices relies on long-lived and interoperable credentials. This work a...

Computer Science

Quantum Artificial Intelligence for Software Engineering: the Road Ahead

Xinyi Wang, Shaukat Ali, Paolo Arcaini·May 7, 2025

In order to handle the increasing complexity of software systems, Artificial Intelligence (AI) has been applied to various areas of software engineering, including requirements engineering, coding, testing, and debugging. This has led to the emergenc...

Computer Science

Adaptive folding and noise filtering for robust quantum error mitigation

Kathrin F. Koenig, Finn Reinecke, Thomas Wellens·May 7, 2025

Coping with noise in quantum computation poses significant challenges due to its unpredictable nature and the complexities of accurate modeling. This paper presents noise-adaptive folding, a technique that enhances zero-noise extrapolation (ZNE) thro...

Physics

Approximate quadratization of high-order hamiltonians for combinatorial quantum optimization

Sabina Druagoi, Alberto Baiardi, Daniel J. Egger·May 7, 2025

Combinatorial optimization problems have wide-ranging applications in industry and academia. Quantum computers may help solve them by sampling from carefully prepared Ansatz quantum circuits. However, current quantum computers are limited by their qu...

Physics

ARDNS-FN-Quantum: A Quantum-Enhanced Reinforcement Learning Framework with Cognitive-Inspired Adaptive Exploration for Dynamic Environments

Umberto Gonccalves de Sousa·May 7, 2025

Reinforcement learning (RL) has transformed sequential decision making, yet traditional algorithms like Deep Q-Networks (DQNs) and Proximal Policy Optimization (PPO) often struggle with efficient exploration, stability, and adaptability in dynamic en...

Computer Science

Privacy-preserving neutral atom-based quantum classifier towards real healthcare applications

Ettore Canonici, Filippo Caruso·May 7, 2025

Technological advances in Artificial Intelligence (AI) and Machine Learning (ML) for the healthcare domain are rapidly arising, with a growing discussion regarding the ethical management of their development. In general, ML healthcare applications cr...

Physics
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