Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
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 ...
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...
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...
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...
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...
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...
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....
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...
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...
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 ...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...