Quantum Brain

Papers

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

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28,250

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13,393 papers in 12 months (-22% vs prior quarter)

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Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

28,250 papers found

Quantum algorithms to detect ODMR-active defects for quantum sensing applications

Pablo A. M. Casares, Yanbing Zhou, Utkarsh Azad +6 more·Aug 18, 2025

Spin defects in two-dimensional materials are a promising platform for quantum sensing. Simulating the defect's optical response and optically detected magnetic resonance (ODMR) contrast is key to identifying suitable candidates. However, existing si...

Quantum Physics

Unified theory of classical and quantum ergotropy

Michele Campisi·Aug 18, 2025

Quantifying the ergotropy (a.k.a. available energy), namely the maximal amount of energy that can be extracted from a thermally isolated system, is a central problem in quantum thermodynamics. Notably, the same problem has been long studied for class...

cond-mat.stat-mechphysics.plasm-phQuantum Physics

Application of Quantum Annealing to Computation of Molecular Properties

Pradyot Pritam Sahoo, V. S. Prasannaa, B. P. Das·Aug 18, 2025

We present the results of our quantum annealing computations of the permanent electric dipole moments of several molecules. By applying an electric field as a perturbation and measuring the corresponding energy responses, the molecular electric dipol...

Quantum PhysicsAtomic Physicsphysics.chem-ph

Driven-Dissipative Interpretation of Measurement-Induced State Transitions Beyond Semiclassical Predictions

Bo-Syun Pan, Yen-Hsiang Lin, Chiao-Hsuan Wang·Aug 18, 2025

Dispersive readout plays a central role in superconducting quantum computing, enabling quantum nondemolition (QND) measurements of qubits through a coupled microwave resonator. However, under strong readout drives, multi-photon resonances can cause m...

Physics

Coherence of Microwave and Optical Qubit Levels in Neutral Thulium

D. Mishin, D. Tregubov, N. Kolachevsky +1 more·Aug 18, 2025

Hyperfine-encoded qubits in alkali atoms have established themselves as robust platforms for quantum computing, while alkaline-earth-like elements expand the state manipulation toolbox through their rich spectrum of optical transitions and metastab...

Physics

Quantum State Preparation by Improved MPS Method

Chao Wang, Peng Zhou, Xi-Ning Zhuang +4 more·Aug 18, 2025

Efficient encoding of classical information plays a fundamental role in numerous practical quantum algorithms. However, the preparation of an arbitrary amplitude-encoded state has been proven to be time-consuming, and its deployment on current noisy ...

Physics

Graybox characterization and calibration with finite-shot estimation on superconducting-qubit experiments

Poramet Pathumsoot, A. Chantasri, Michal Hajduvsek +1 more·Aug 18, 2025

Characterization and calibration of quantum devices are necessary steps to achieve fault-tolerant quantum computing. As quantum devices become more sophisticated, it is increasingly essential to rely not only on physics-based models, but also on pred...

Physics

Dynamic syndrome decoder in volume-law phases of hybrid quantum circuits

Dawid Paszko, M. Szyniszewski, Arijeet Pal·Aug 18, 2025

Phases of matter with volume-law entanglement are frequently observed in quantum circuits and have numerous applications, ranging from deepening our understanding of quantum mechanics to advancements in quantum computing and cryptography. Their capac...

Physics

Deep anomaly detection for active attacks on the receiver in quantum key distribution.

Junxuan Liu, Bingcheng Huang, Jialei Su +2 more·Aug 18, 2025

Traditional countermeasures against attacks targeting the receiver in quantum key distribution (QKD) systems often suffer from poor compatibility with deployed infrastructure, the risk of introducing new vulnerabilities, and limited applicability to ...

MedicinePhysics

Chaos and quantum regimes in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>n</mml:mi> </mml:math> -photon-driven dissipative bosonic chains

Leo Kruglikov, Filippo Ferrari, Vincenzo Savona·Aug 18, 2025

We investigate the steady-state dynamical regimes of boundary-driven, dissipative bosonic chains subjected to $n$-photon drives. Using the truncated Wigner approximation, we explore how multi-photon drives shape the interplay between quantum fluctuat...

Physics

Non-Abelian Statistics for Bosonic Symmetry-Protected Topological Phases

Hong-Yu Wang, Bao-Zong Wang, Jian-Song Hong +1 more·Aug 17, 2025

Symmetry-protected non-Abelian (SPNA) statistics opens new frontiers in quantum statistics and enriches the schemes for topological quantum computing. In this work, we propose a new paradigm of SPNA statistics in one-dimensional correlated bosonic sy...

cond-mat.str-elQuantum Physics

Quantum Flow Matching

Zidong Cui, Pan Zhang, Ying Tang·Aug 17, 2025

The flow matching has rapidly become a dominant paradigm in classical generative modeling, offering an efficient way to interpolate between two complex distributions. We extend this idea to the quantum realm and introduce the Quantum Flow Matching (Q...

Quantum PhysicsAIcs.LG

High-Accuracy Temporal Prediction via Experimental Quantum Reservoir Computing in Correlated Spins

Yanjun Hou, Juncheng Hua, Ze Wu +6 more·Aug 17, 2025

Physical reservoir computing provides a powerful machine learning paradigm that exploits nonlinear physical dynamics for efficient information processing. By incorporating quantum effects, quantum reservoir computing offers superior potential for mac...

Quantum Physics

SimQFL: A Quantum Federated Learning Simulator with Real-Time Visualization

Ratun Rahman, Atit Pokharel, Md Raihan Uddin +1 more·Aug 17, 2025

Quantum federated learning (QFL) is an emerging field that has the potential to revolutionize computation by taking advantage of quantum physics concepts in a distributed machine learning (ML) environment. However, the majority of available quantum s...

PhysicsComputer Science

The Evolution of IBM's Quantum Information Software Kit (Qiskit): A Review of its Applications

Param Pathak, K. Tarakeshwar, Syed Sufiyan Ali +2 more·Aug 17, 2025

Quantum computing is being increasingly adopted for solving classically intractable problems across various domains. However, the availability of accessible and scalable software frameworks remains essential for practical experimentation and adoption...

Computer SciencePhysics

Unified quantification of entanglement and magic in information scrambling and their trade-off relation

Mao Kaneyasu, Yoshihiko Hasegawa·Aug 16, 2025

Entanglement and magic are among the most fundamental properties unique to quantum systems. Each quantity captures a different aspect of non-classical behavior, and each can be regarded as a resource within its own operational setting. However, the i...

Quantum Physics

Coherence and decoherence in generalized and noisy Shor's algorithm

Linlin Ye, Zhaoqi Wu, Nanrun Zhou·Aug 16, 2025

Quantum coherence constitutes a fundamental physical mechanism essential to the study of quantum algorithms. We study the coherence and decoherence in generalized Shor's algorithm where the register $A$ is initialized in arbitrary pure state, or the ...

Quantum Physics

Parallel Data Processing in Quantum Machine Learning

Mehdi Ramezani, Sina Asadiyan Zargar, A. Bahrampour +2 more·Aug 16, 2025

We propose a Quantum Machine Learning (QML) framework that leverages quantum parallelism to process entire training datasets in a single quantum operation, addressing the computational bottleneck of sequential data processing in both classical and qu...

Physics

Preparation of the single-spinon wave function in a quantum computer

D. Fa'ilde, A. G'omez, J. Fern'andez-Rossier·Aug 16, 2025

We consider the preparation of single-spinon wave functions, relevant for one-dimensional $S=1/2$ spin models, in a quantum computer. We adopt the recently proposed ansatz \cite{kulk} for the single-spinon wave function, where a state with $S=1/2$ is...

Physics

Generalized number-phase lattice encoding of a bosonic mode for quantum error correction

D. Hu, Weizhou Cai, Chang-Ling Zou +1 more·Aug 16, 2025

Bosonic systems offer unique advantages for quantum error correction, as a single bosonic mode provides a large Hilbert space to redundantly encode quantum information. However, previous studies have been limited to exploiting symmetries in the quadr...

PhysicsMedicine
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