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New framework breaks one-dimensional expressibility-trainability tradeoff in quantum circuits

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Researchers have demonstrated that the expressibility and trainability of parameterized quantum circuits (PQCs) are not bound by a one-dimensional tradeoff. They propose a new framework that separates entangling power (EP) and entangling-power deviation (EPD) into distinct design dials. This allows for the creation of highly expressive PQCs that maintain trainability by reaching high coverage before barren-plateau conditions emerge. AI

RANK_REASON The cluster contains an academic paper detailing a new theoretical framework for quantum circuits. [lever_c_demoted from research: ic=1 ai=0.1]

Read on arXiv cs.LG →

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New framework breaks one-dimensional expressibility-trainability tradeoff in quantum circuits

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The cluster contains an academic paper detailing a new theoretical framework for quantum circuits. [lever_c_demoted from research: ic=1 ai=0.1]
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COVERAGE [1]

  1. arXiv cs.LG TIER_1 English(EN) · Kyoungho Cho, Yu-Seong Jeon, Jinhyoung Lee, Jeongho Bang ·

    Breaking the One-Dimensional Expressibility-Trainability Tradeoff

    arXiv:2607.04598v1 Announce Type: cross Abstract: Expressive parameterized quantum circuits (PQCs) are often designed under a dilemma: the growth of expressibility and entangling power (EP) that improves Hilbert-space coverage is also expected to randomize an ansatz and activate …

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