Quantum Brain

Papers

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

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27,548

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1,041

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Research Volume

12,928 papers in 12 months (-5% vs prior quarter)

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

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1,747 papers found

Pathfinding Quantum Simulations of Neutrinoless Double-Beta Decay

Ivan A. Chernyshev, Roland C. Farrell, Marc Illa +10 more·Jun 6, 2025

We present results from co-designed quantum simulations of the neutrinoless double-beta decay of a simple nucleus in 1+1D quantum chromodynamics using IonQ's Forte-generation trapped-ion quantum computers. Electrons, neutrinos, and up and down quarks...

Quantum Physicshep-lathep-phnucl-th

RhoDARTS: Differentiable Quantum Architecture Search with Density Matrix Simulations

Swagat Kumar, Jan-Nico Zaech, C. M. Wilmott +1 more·Jun 4, 2025

Variational Quantum Algorithms (VQAs) are a promising approach to leverage Noisy Intermediate-Scale Quantum (NISQ) computers. However, choosing optimal quantum circuits that efficiently solve a given VQA problem is a non-trivial task. Quantum Archite...

Computer SciencePhysics

Efficient Quantum Gibbs Sampling with Local Circuits

D. Hahn, R. Sweke, Abhinav Deshpande +1 more·Jun 4, 2025

The problem of simulating the thermal behavior of quantum systems remains a central open challenge in quantum computing. Unlike well-established quantum algorithms for unitary dynamics, \emph{provably efficient} algorithms for preparing thermal state...

Physics

Computational Complexity and Simulability of Non-Hermitian Quantum Dynamics

Brian Barch, Daniel Lidar·Jun 3, 2025

Non-Hermitian (NH) quantum systems demonstrate striking differences from their Hermitian counterparts, leading to claims of NH advantage in areas ranging from metrology to entanglement generation. We show that in the context of quantum computation, a...

Quantum PhysicsComplexity

Exceeding the Parametric Drive Strength Threshold in Nonlinear Circuits

Mingkang Xia, Crist'obal Lled'o, Matthew Capocci +7 more·Jun 3, 2025

Superconducting quantum circuits rely on strong drives to implement fast gates, high-fidelity readout, and state stabilization. However, these drives can induce uncontrolled excitations, so-called"ionization", that compromise the fidelity of these op...

Physics

Fast Machine Learning for Quantum Control of Microwave Qudits on Edge Hardware

F. Sanders, Gaurav Agarwal, Luca P. Carloni +3 more·Jun 3, 2025

Quantum optimal control is a promising approach to improve the accuracy of quantum gates, but it relies on complex algorithms to determine the best control settings. CPU or GPU-based approaches often have delays that are too long to be applied in pra...

Physics

Synthesis of discrete-continuous quantum circuits with multimodal diffusion models

Florian Fürrutter, Zohim Chandani, Ikko Hamamura +2 more·Jun 2, 2025

Efficiently compiling quantum operations remains a major bottleneck in scaling quantum computing. Today's state-of-the-art methods achieve low compilation error by combining search algorithms with gradient-based parameter optimization, but they incur...

Quantum PhysicsAIcs.LG

Bridging Quantum and Classical Computing in Drug Design: Architecture Principles for Improved Molecule Generation

Andrew K Smith, Erhan Guven·Jun 1, 2025

Hybrid quantum-classical machine learning offers a path to leverage noisy intermediate-scale quantum (NISQ) devices for drug discovery, but optimal model architectures remain unclear. We systematically optimize the quantum-classical bridge architectu...

Computer ScienceBiology

Closing the Quantum-Classical Scaling Gap in Approximate Optimization

J. Pawlowski, P. Tarasiuk, J. Tuziemski +2 more·May 28, 2025

In a recent study (Ref. [1]), quantum annealing was reported to exhibit a scaling advantage for approximately solving Quadratic Unconstrained Binary Optimization (QUBO). However, this claim critically depends on the choice of classical reference algo...

Physics

Leveraging Diffusion Models for Parameterized Quantum Circuit Generation

Daniel Barta, Darya Martyniuk, Johannes Jung +1 more·May 27, 2025

Quantum computing holds immense potential, yet its practical success depends on multiple factors, including advances in quantum circuit design. In this paper, we introduce a generative approach based on denoising diffusion models (DMs) to synthesize ...

PhysicsComputer Science

Active Quantum Reservoir Engineering: Using a Qubit to Manipulate its Environment

Marcelo Janovitch, Matteo Brunelli, Patrick P. Potts·May 22, 2025

Quantum reservoir engineering leverages dissipative processes to achieve desired behavior, with applications ranging from entanglement generation to quantum error correction. Therein, a structured environment acts as an entropy sink for the system an...

Quantum PhysicsMesoscale Physics

Energy Consumption Framework and Analysis of Post-Quantum Key-Generation on Embedded Devices

J. Patterson, William J. Buchanan, Callum Turino·May 22, 2025

The emergence of quantum computing and Shor’s algorithm necessitates an imminent shift from current public key cryptography techniques to post-quantum-robust techniques. The NIST has responded by standardising Post-Quantum Cryptography (PQC) algorith...

Computer Science

A Fully Device-Independent Ternary Quantum Key Distribution Protocol Based on the Impossible Colouring Game

Aniket Basak, Rajeet Ghosh, Rohit Sarma Sarkar +2 more·May 21, 2025

We propose a Ternary Fully Device-Independent Quantum Key Distribution (TFDIQKD) protocol based on the two-party Impossible Colouring pseudo-telepathy game, utilizing maximally entangled qutrit states to enable secure key generation between distant p...

Quantum Physics

Robust and compact single-lens crossed-beam optical dipole trap for Bose-Einstein condensation in microgravity

Jan Simon Haase, Alexander Fieguth, Igor Bröckel +3 more·May 21, 2025

We present a novel concept for a compact and robust crossed-beam optical dipole trap (cODT) based on a single lens, designed for the efficient generation of Bose-Einstein condensates (BECs) under dynamic conditions. The system employs two independent...

Quantum Physicsphysics.ins-detphysics.opticsphysics.space-ph

Impact of Clifford operations on non-stabilizing power and quantum chaos

Naga Dileep Varikuti, Soumik Bandyopadhyay, Philipp Hauke·May 20, 2025

Non-stabilizerness, alongside entanglement, is a crucial ingredient for fault-tolerant quantum computation and achieving a genuine quantum advantage. Despite recent progress, a complete understanding of the generation and thermalization of non-stabil...

Quantum Physicscond-mat.dis-nncond-mat.stat-mechhep-th

Advances in Josephson Junction Materials and Processes Toward Practical Quantum Computing

Hyunseong Kim, Gyunghyun Jang, Seungwon Jin +8 more·May 19, 2025

The Josephson junction is the fundamental nonlinear building block of superconducting quantum technologies. Its macroscopic quantum tunneling physics underpins superconducting quantum computing, sensing, and communication, but scaling these platforms...

Quantum PhysicsMesoscale Physicscond-mat.mtrl-scicond-mat.supr-con

Pursuit and Review of Magnetic Resonance Imaging (MRI) based Quantum Computing -- Qubit Generation, Spin Purification, Tailored RF Pulses and MRI Sequences for Quantum Computing

Z. Cho, J. Han, D. Suk +5 more·May 19, 2025

We propose a novel MRI (Magnetic Resonance Imaging) technique based quantum bit (qubit) generation with water proton NMR (1H-NMR), distinct from previously proposed NMR chemical shift or spectroscopic techniques based qubit generation. We briefly rev...

Physics

Level Generation With Quantum Reservoir Computing

Joao S. Ferreira, Pierre Fromholz, Hari Shaji +2 more·May 19, 2025

Reservoir computing is a form of machine learning particularly suited for time-series analysis, including forecasting predictions. We take an implementation of quantum reservoir computing that was initially designed to generate variants of musical sc...

Computer SciencePhysicsMedicine

Efficient Generation of Parameterised Quantum Circuits from Large Texts

C. Krawchuk, Nikhil Khatri, Neil John Ortega +1 more·May 19, 2025

Quantum approaches to natural language processing (NLP) are redefining how linguistic information is represented and processed. While traditional hybrid quantum-classical models rely heavily on classical neural networks, recent advancements propose a...

PhysicsComputer Science

Joint Optimization of Routing and Purification to Meet Fidelity Targets in Quantum Networks

Gongyu Ni, Holger Claussen, Lester Ho·May 18, 2025

Quantum networks rely on high-fidelity entanglement links, but achieving target fidelity often increases latency and Bell pair consumption due to purification. This paper proposes a cost-based scheduler that jointly optimizes path selection and purif...

Quantum Physics
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