Quantum Brain

Papers

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

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28,582

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299

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13,638 papers in 12 months (-16% vs prior quarter)

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Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

28,582 papers found

Geometric quantum control and the random Schrödinger equation

Rufus Lawrence, Aleš Wodecki, Johannes Aspman +2 more·Mar 6, 2025

Understanding and mitigating noise in quantum systems is a fundamental challenge in achieving scalable and fault-tolerant quantum computation. Error modeling for quantum systems can be formulated in many ways, some of which are very fundamental, but ...

Quantum Physics

Long-range nonstabilizerness and quantum codes, phases, and complexity

Fuchuan Wei, Zi-Wen Liu·Mar 6, 2025

As a necessary resource for quantum computational advantage, quantum magic (nonstabilizerness) is of fundamental importance in the study of quantum computation and physics. We develop a systematic theory of \emph{long-range magic (LRM)} -- nonstabili...

Quantum Physics

Scalable quantum simulator with an extended gate set in giant atoms

Guangze Chen, Anton Frisk Kockum·Mar 6, 2025

Quantum computation and quantum simulation require a versatile gate set to optimize circuit compilation for practical applications. However, existing platforms are often limited to specific gate types or rely on parametric couplers to extend their ga...

Quantum Physics

Self-consistent tensor network method for correlated super-moiré matter beyond one billion sites

Yitao Sun, Marcel Niedermeier, Tiago V. C. Antão +2 more·Mar 6, 2025

Moiré and super-moiré materials provide exceptional platforms to engineer exotic correlated quantum matter. The vast number of sites required to model moiré systems in real space remains a formidable challenge due to the immense computational resourc...

cond-mat.str-elMesoscale Physicscond-mat.mtrl-sciphysics.comp-ph

Seismic inversion using hybrid quantum neural networks

Divakar Vashisth, Rohan Sharma, T. Mukerji +1 more·Mar 6, 2025

Seismic inversion-including post-stack, pre-stack, and full waveform inversion is compute and memory-intensive. Recently, several approaches, including physics-informed machine learning, have been developed to address some of these limitations. Motiv...

PhysicsComputer Science

Surface Code Error Correction with Crosstalk Noise

Zeyuan Zhou, A. Ji, Yongshan Ding·Mar 6, 2025

The design and performance analysis of quantum error correction (QEC) codes are often based on incoherent and independent noise models since it is easy to simulate. However, these models fail to capture realistic hardware noise sources, such as corre...

Physics

Systematic benchmarking of quantum computers: status and recommendations

Jeanette Miriam Lorenz, T. Monz, J. Eisert +11 more·Mar 6, 2025

Architectures for quantum computing can only be scaled up when they are accompanied by suitable benchmarking techniques. The document provides a comprehensive overview of the state and recommendations for systematic benchmarking of quantum computers....

Physics

Anyon Theory and Topological Frustration of High-Efficiency Quantum Low-Density Parity-Check Codes.

Keyang Chen, Yuanting Liu, Yiming Zhang +4 more·Mar 6, 2025

Quantum low-density parity-check (QLDPC) codes offer a promising path to low-overhead fault-tolerant quantum computation but lack systematic strategies for exploration. In this Letter, we establish a topological framework for studying the bivariate-b...

PhysicsMathematicsMedicine

Calibrating magnetic flux control in superconducting circuits by compensating distortions on timescales from nanoseconds up to tens of microseconds

C. Hellings, N. Lacroix, A. Remm +8 more·Mar 6, 2025

Fast tuning of the transition frequency of superconducting qubits using magnetic flux is essential, for example, for realizing high-fidelity two-qubit gates with low leakage or for reducing errors in dispersive qubit readout. To apply accurately shap...

Physics

Image Computation for Quantum Transition Systems

Xin Hong, Dingchao Gao, Sanjiang Li +2 more·Mar 6, 2025

With the rapid progress in quantum hardware and software, the need for verification of quantum systems becomes increasingly crucial. While model checking is a dominant and very successful technique for verifying classical systems, its application to ...

Computer SciencePhysics

Entanglement Transitions in Noisy Quantum Circuits on Trees

V. Ravindranath, Yiqiu Han, Xiao Chen·Mar 6, 2025

Decoherence is ubiquitous, and poses a significant impediment to the observation of quantum phenomena, such as the measurement-induced entanglement phase transition (MIPT). In this work, we study entanglement transitions in quantum circuits on trees,...

Physics

AppQSim: Application-oriented benchmarks for Hamiltonian simulation on a quantum computer

Etienne Granet, Henrik Dreyer·Mar 6, 2025

We introduce AppQSim, a benchmarking suite for quantum computers focused on applications of Hamiltonian simulation. We consider five different settings for which we define a precise task and score: condensed matter and material simulation (dynamic an...

Physics

Interpolation-based coordinate descent method for parameterized quantum circuits

Zhijian Lai, Jiang Hu, Taehee Ko +2 more·Mar 6, 2025

Parameterized quantum circuits (PQCs) are fundamental to many hybrid quantum-classical algorithms. However, existing structure-based optimizers for the training of PQCs, such as Rotosolve and sequential minimal optimization, rely on heuristic node se...

PhysicsMathematics

Quantum metasurfaces as probes of vacuum particle content

Germain Tobar, Joshua Foo, Sofia Qvarfort +3 more·Mar 5, 2025

The quantum vacuum of the electromagnetic field is inherently entangled across distinct spatial sub-regions resulting in entangled particle content across these sub-regions. However accessing this particle content in a controlled laboratory experimen...

Quantum Physicsgr-qc

Privacy is All You Need: Revolutionizing Wearable Health Data with Advanced PETs

Karthik Barma·Mar 5, 2025

In a world where data is the new currency, wearable health devices offer unprecedented insights into daily life, continuously monitoring vital signs and metrics. However, this convenience raises privacy concerns, as these devices collect sensitive da...

CryptographyAIEmerging Techcs.HC

Construction and Decoding of Quantum Margulis Codes

Michele Pacenti, Dimitris Chytas, Bane Vasic·Mar 5, 2025

Quantum low-density parity-check codes are a promising approach to fault-tolerant quantum computation, offering potential advantages in rate and decoding efficiency. In this work, we introduce quantum Margulis codes, a new class of QLDPC codes derive...

Quantum Physicscs.IT

KLiNQ: Knowledge Distillation-Assisted Lightweight Neural Network for Qubit Readout on FPGA

Xiaorang Guo, Tigran Bunarjyan, Dailin Liu +2 more·Mar 5, 2025

Superconducting qubits are among the most promising candidates for building quantum information processors. Yet, they are often limited by slow and error-prone qubit readout-a critical factor in achieving high-fidelity operations. While current metho...

Computer SciencePhysics

Generalized toric codes on twisted tori for quantum error correction

Zijian Liang, Ke Liu, Hao Song +1 more·Mar 5, 2025

The Kitaev toric code is widely considered one of the leading candidates for error correction in fault-tolerant quantum computation. However, direct methods to increase its logical dimensions, such as lattice surgery or introducing punctures, often i...

PhysicsMathematics

Fault-Tolerant Qudit Gate Optimization in Solid-State Quantum Memory

William Boone Samuels·Mar 5, 2025

Achieving scalable, fault-tolerant quantum computation requires quantum memory architectures that minimize error correction overhead while preserving coherence. This work presents a framework for high-dimensional qudit memory in 153Eu:Y2SiO5, integra...

Physics

Logical Operations with a Dynamical Qubit in Floquet-Bacon-Shor Code.

Xuandong Sun, Longcheng Li, Zhiyi Wu +29 more·Mar 5, 2025

Quantum error correction (QEC) protects quantum systems against inevitable noises and control inaccuracies, providing a pathway toward fault-tolerant (FT) quantum computation. Stabilizer codes, including surface code and color code, have long been th...

MedicinePhysics
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