Quantum Brain

Papers

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

Total Papers

27,548

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1,041

Today

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Research Volume

12,930 papers in 12 months (-5% vs prior quarter)

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

Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

1,747 papers found

Programmable Bell state generation in an integrated thin film lithium niobate circuit

Andreas Maeder, Robert J. Chapman, Alessandra Sabatti +3 more·Jun 22, 2025

Entanglement is central to quantum technologies such as cryptography, sensing, and computing. Photon pairs generated via nonlinear optical processes are excellent for preparing entangled states due to their long coherence times and compatibility with...

MedicinePhysics

Quantum Magic in Discrete-Time Quantum Walk

Vikash Mittal, Yi-Ping Huang·Jun 21, 2025

Quantum magic, which accounts for the non-stabilizer content of a state, is essential for universal quantum computation beyond classically simulable resources. We investigate the generation and evolution of quantum magic in discrete-time quantum walk...

Quantum Physics

Quantum Computer Fingerprinting using Error Syndromes

Vincent Mutolo, Devon Campbell, Quinn Manning +5 more·Jun 19, 2025

As quantum computing matures and moves toward broader accessibility through cloud-based platforms, ensuring the authenticity and integrity of quantum computations becomes an urgent concern. In this work, we propose a strategy to leverage the byproduc...

PhysicsComputer Science

Superconducting Qubit Readout Using Next-Generation Reservoir Computing

Robert M. Kent, Benjamin Lienhard, Gregory Lafyatis +1 more·Jun 18, 2025

Quantum processors require rapid and high-fidelity simultaneous measurements of many qubits. While superconducting qubits are among the leading modalities toward a useful quantum processor, their readout remains a bottleneck. Traditional approaches t...

PhysicsComputer Science

Quantum-assisted Lagrangian tracer dispersion in turbulent shear flow

Julia Ingelmann, F. Schindler, J. Schumacher·Jun 17, 2025

We present a quantum-assisted generative algorithm for synthetic tracks of Lagrangian tracer particles in a simple turbulent shear flow. The parallelism, a result of the underlying tensor product structure of an n-qubit quantum register, and the samp...

Physics

One Polynomial Strategy for Computing Local Projections on Square-Lattice Cluster States

Nyau Fisn, Houren Fu·Jun 17, 2025

Quantum computing has attracted a lot of attention in recent years. It is one of the promising candidates for the next-generation computing paradigms. Basically, there are two technical lines to realize quantum computing. One is composing the unitary...

Physics

Towards fault-tolerant quantum computation with universal continuous-variable gates

S. Blair, F. Arzani, G. Ferrini +1 more·Jun 16, 2025

Continuous-variable (CV) systems have shown remarkable potential for quantum computation, particularly excelling in scalability and error correction through bosonic encoding. Within this framework, the foundational notion of computational universalit...

Physics

High-fidelity entanglement and coherent multi-qubit mapping in an atom array

Aruku Senoo, Alexander Baumgartner, Joanna W. Lis +5 more·Jun 16, 2025

Neutral atoms in optical tweezer arrays possess broad applicability for quantum information science, in computing, simulation, and metrology. Among atomic species, Ytterbium-171 is unique as it hosts multiple qubits, each of which is impactful for th...

Physics

A cavity array microscope for parallel single-atom interfacing

Adam L. Shaw, Anna Soper, Danial Shadmany +8 more·Jun 12, 2025

Neutral atom arrays and optical cavity QED systems have developed in parallel as central pillars of modern experimental quantum science. While each platform has demonstrated exceptional capabilities-such as high-fidelity quantum logic in atom arrays,...

Quantum Physicscond-mat.quant-gasAtomic Physicsphysics.optics

Synchronization for Fault-Tolerant Quantum Computers

Satvik Maurya, Swamit S. Tannu·Jun 12, 2025

Quantum Error Correction (QEC) codes store information reliably in logical qubits by encoding them in a larger number of less reliable qubits. The surface code, known for its high resilience to physical errors, is a leading candidate for fault-tolera...

Computer SciencePhysics

Lieb-Mattis states for robust entangled differential phase sensing

Raphael Kaubruegger, Diego Fallas Padilla, Athreya Shankar +9 more·Jun 11, 2025

We explore a two-node, entanglement-enhanced sensor network for differential phase sensing that exploits decoherence-free subspaces to suppress common-mode noise, a primary limitation of many state-of-the-art quantum sensors. We identify a class of e...

Quantum Physics

Covert Entanglement Generation over Bosonic Channels

Evan J. D. Anderson, Michael S. Bullock, Ohad Kimelfeld +4 more·Jun 11, 2025

We explore covert entanglement generation over the lossy thermal-noise bosonic channel, which is a quantum-mechanical model of many practical settings, including optical, microwave, and radio-frequency (RF) channels. Covert communication ensures that...

Quantum PhysicsCryptography

Symmetric quantum states: a review of recent progress

Carlo Marconi, Guillem Müller-Rigat, Jordi Romero-Pallejà +2 more·Jun 11, 2025

Symmetric quantum states are fascinating objects. They correspond to multipartite systems that remain invariant under particle permutations. This symmetry is reflected in their compact mathematical characterisation but also in their unique physical p...

PhysicsMedicine

Constructive interference at the edge of quantum ergodic dynamics

D. Abanin, R. Acharya, Laleh Aghababaie-Beni +262 more·Jun 11, 2025

Quantum observables in the form of few-point correlators are the key to characterizing the dynamics of quantum many-body systems. In dynamics with fast entanglement generation, quantum observables generally become insensitive to the details of the un...

Physics

High-Performance Heterodyne Receiver for Quantum Information Processing in a Laser Written Integrated Photonic Platform

Andrea Peri, Giulio Gualandi, Tommaso Bertapelle +8 more·Jun 10, 2025

Continuous-Variable Quantum Key Distribution (CV-QKD) and Quantum Random Number Generation (CV-QRNG) are critical technologies for secure communication and high-speed randomness generation, exploiting shot-noise-limited coherent detection for their o...

Quantum Physics

Quantum Adiabatic Generation of Human-Like Passwords

Sascha Mücke, R. Heese, Thore Gerlach +3 more·Jun 10, 2025

Generative Artificial Intelligence (GenAI) for Natural Language Processing (NLP) is the predominant AI technology to date. An important perspective for Quantum Computing (QC) is the question whether QC has the potential to reduce the vast resource re...

PhysicsComputer Science

Nonlocality in Continuous-Variable Quantum Networks

Sudip Chakrabarty, Amit Kundu, A. S. Majumdar·Jun 9, 2025

Quantum networks enable forms of nonlocality beyond the standard Bell scenario, with a multitude of potential applications. Continuous-variable (CV) platforms are particularly attractive for large-scale networks, offering deterministic entanglement g...

Quantum Physics

Stark Tuning and Charge State Control in Individual Telecom C-Band Quantum Dots

N. J. Martin, A. J. Brash, A. Tomlinson +12 more·Jun 9, 2025

Telecom wavelength quantum dots (QDs) are emerging as a promising solution for generating deterministic single photons compatible with existing fiber optic infrastructure. Emission in the low loss C band minimizes transmission losses, making them ide...

Quantum Physicsphysics.app-phphysics.optics

Learning Variational Quantum Circuit Parameters with Classical Artificial Intelligence for Quantum Phase Transition Detection

Xin Li, Zhang-Qi Yin·Jun 7, 2025

Learning many-body quantum states and quantum phase transitions remains a major challenge in quantum many-body physics. Classical machine learning methods offer certain advantages in addressing these difficulties. In this work, we propose a novel fra...

Quantum Physics

Remote entanglement generation via enhanced quantum state transfer

Tian-Le Wang, Peng Wang, Zeyin Zhao +16 more·Jun 7, 2025

Achieving robust and scalable remote quantum entanglement is a fundamental challenge for the development of distributed quantum networks and modular quantum computing systems. Along this, perfect state transfer (PST) and fractional state transfer (FS...

Physics
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