Quantum Brain

Papers

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

Total Papers

28,402

This Month

150

Today

0

Research Volume

13,526 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

Symmetry in Multi-Qubit Correlated Noise Errors Enhances Surface Code Thresholds

Siying Wang, Yue Yan, ZhiXin Xia +1 more·Jun 18, 2025

Surface codes are promising for practical quantum error correction due to their high threshold and experimental feasibility. However, their performance under realistic noise conditions, particularly those involving correlated errors, requires further...

Physics

Error-detected coherence metrology of a dual-rail encoded fixed-frequency multimode superconducting qubit

James Wills, M. Haque, B. Vlastakis·Jun 18, 2025

Amplitude damping is a dominant source of error in high performance quantum processors. A promising approach in quantum error correction is erasure error conversion, where errors are converted into detectable leakage states. Dual-rail encoding has be...

Physics

Compilation, Optimization, Error Mitigation, and Machine Learning in Quantum Algorithms

Paul Wang, Jianzhou Mao, Eric Sakk·Jun 18, 2025

This paper discusses the compilation, optimization, and error mitigation of quantum algorithms, essential steps to execute real-world quantum algorithms. Quantum algorithms running on a hybrid platform with QPU and CPU/GPU take advantage of existing ...

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

Detectability of post-Newtonian classical and quantum gravity via quantum clock interferometry

Eyuri Wakakuwa·Jun 17, 2025

Understanding physical phenomena at the intersection of quantum mechanics and general relativity remains a major challenge in modern physics. While various experimental approaches have been proposed to probe quantum systems in curved spacetime, most ...

Quantum Physicsgr-qc

Q2SAR: A Quantum Multiple Kernel Learning Approach for Drug Discovery

Alejandro Giraldo, Daniel Ruiz, Mariano Caruso +2 more·Jun 17, 2025

Quantitative Structure-Activity Relationship (QSAR) modeling is a cornerstone of computational drug discovery. This research demonstrates the successful application of a Quantum Multiple Kernel Learning (QMKL) framework to enhance QSAR classification...

Quantum Physicscs.LG

Quantum Wasserstein distance and its relation to several types of fidelities

Géza Tóth, József Pitrik·Jun 17, 2025

We consider several definitions of the quantum Wasserstein distance based on an optimization over general bipartite quantum states with given marginals. Then, we examine the quantities obtained after the optimization is carried out over bipartite sep...

Quantum Physics

Progressive Multimodal Interaction Network for Reliable Quantification of Fish Feeding Intensity in Aquaculture

Shulong Zhang, Mingyuan Yao, Jiayin Zhao +3 more·Jun 17, 2025

Accurate quantification of fish feeding intensity is crucial for precision feeding in aquaculture, as it directly affects feed utilization and farming efficiency. Although multimodal fusion has proven to be an effective solution, existing methods oft...

cs.CVAIEmerging Tech

Comparing a Few Qubit Systems for Superconducting Hardware Compatibility and Circuit Design Sensitivity in Qiskit

Hillol Biswas·Jun 17, 2025

The development of complex circuits for practical applications in the current quantum computing ecosystem is based on basic primitives such as Bell states, which provide superposition, entanglement, and coherence. The range of domain-specific quantum...

Quantum Physics

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

High yield, low disorder Si/SiGe heterostructures for spin qubit devices manufactured in a BiCMOS pilot line

Alberto Mistroni, M. Lisker, Yuji Yamamoto +13 more·Jun 17, 2025

The prospect of achieving fault-tolerant quantum computing with semiconductor spin qubits in Si/SiGe heterostructures relies on the integration of a large number of identical devices, a feat achievable through a scalable (Bi)CMOS manufacturing approa...

Physics

Breaking even with magic: demonstration of a high-fidelity logical non-Clifford gate

S. Dasu, Simon Burton, K. Mayer +7 more·Jun 17, 2025

Encoding quantum information to protect it from errors is essential for performing large-scale quantum computations. Performing a universal set of quantum gates on encoded states demands a potentially large resource overhead and minimizing this overh...

Physics

Cutreg: a Loss Regularizer for Enhancing the Scalability of Qml Via Adaptive Circuit Cutting

Maniraman Periyasamy, Christian Ufrecht, Daniel D. Scherer +1 more·Jun 17, 2025

Whether QML can offer a transformative advantage remains an open question. The severe constraints of NISQ hardware, particularly in circuit depth and connectivity, hinder both the validation of quantum advantage and the empirical investigation of maj...

Computer SciencePhysics

250 Magnetic Tunnel Junctions-Based Probabilistic Ising Machine

Shuhan Yang, Andrea Grimaldi, Youwei Bao +4 more·Jun 17, 2025

In combinatorial optimization, probabilistic Ising machines (PIMs) have gained significant attention for their acceleration of Monte Carlo sampling with the potential to reduce time-to-solution in finding approximate ground states. However, to be via...

Physics

Adaptive Graph Shrinking for Quantum Optimization of Constrained Combinatorial Problems

Monit Sharma, HoongChuin Lau·Jun 17, 2025

A range of quantum algorithms, especially those leveraging variational parameterization and circuit-based optimization, are being studied as alternatives for solving classically intractable combinatorial optimization problems (COPs). However, their a...

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

High-fidelity collisional quantum gates with fermionic atoms

Petar Bojovi'c, T. Hilker, Si Wang +7 more·Jun 17, 2025

Quantum simulations of electronic structure and strongly correlated quantum phases are among the most promising applications of quantum computing. These computations benefit from native fermionic encodings 1,2 , enforcing fermionic statistics a...

Physics

Tunable hybrid-mode coupler enabling strong interactions between transmons at centimeter-scale distance

Jianwen Xu, Xiang Deng, Wen Zheng +12 more·Jun 17, 2025

The transmon, a fabrication-friendly superconducting qubit, remains a leading candidate for scalable quantum computing. Recent advances in tunable couplers have accelerated progress toward high-performance quantum processors. However, extending coher...

Physics

Connecting phases of matter to the flatness of the loss landscape in analog variational quantum algorithms

Kasidit Srimahajariyapong, Supanut Thanasilp, Thiparat Chotibut·Jun 16, 2025

Variational quantum algorithms (VQAs) promise near-term quantum advantage, yet parametrized quantum states commonly built from the digital gate-based approach often suffer from scalability issues such as barren plateaus, where the loss landscape beco...

Quantum Physicscond-mat.dis-nncs.LGNeural Computing

Purely quantum memory in closed systems observed via imperfect measurements

Jorge Tabanera-Bravo, Aljaž Godec·Jun 16, 2025

The detection and quantification of non-Markovianity, a.k.a. memory, in quantum systems is a central problem in the theory of open quantum systems. There memory is as a result of the interaction between the system and its environment. Little is known...

Quantum Physicscond-mat.stat-mech
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