quant-ph · 2026-08-05 · No. 75

Quantum Physics, 2026-08-05.

2 new papers in quant-ph. Titles, authors, abstracts. Links to arXiv. Want this in your inbox every morning? Subscribe →

01 — The papers

2 entries
  1. 01

    Separating quantum circuits from classical LLMs

    Srinivasan Arunachalam, Arkopal Dutt, Hari Krovi, Rik Sengupta

    quant-ph · cs.AI · cs.CC

    Modern large language models - transformers and diffusion language models - are built around two canonical algorithmic tasks: prediction and generation. We prove unconditional separations between low-depth quantum computation and the corresponding bounded-resource classical language-model architectures in both regimes. Concretely, we exhibit the following: 1. Distributional separation. We give a distribution that is sampleable by...

    arxiv.org/abs/2608.03962 · PDF

  2. 02

    Real-time decoding of quantum error correction codes using high-performance computing

    Lingling Lao, Qiang Wang, Yuanqi Liu, Yantong Liu, Haowen Wang, Yitao Chen, Yankang Zhao, Zhenwei Wu, Wei Zhang,...

    quant-ph · cs.DC

    Quantum error correction (QEC) is indispensable for building scalable fault-tolerant quantum computers. Effective QEC demands stringent real-time decoding: the decoder must process syndrome measurements and determine corrections within a time scale--typically on the order of microseconds, to avoid data backlog. Scaling to large number of logical qubits further necessitates significant computational resources. In this work, we propose an...

    arxiv.org/abs/2608.03948 · PDF

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