Large quantum fluctuations observed in strongly interacting bosons

IF 17.6 1区物理与天体物理 Q1 PHYSICS, MULTIDISCIPLINARY Nature Physics Pub Date : 2025-01-03 DOI:10.1038/s41567-024-02701-y

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Abstract

Among weakly interacting bosons, quantum fluctuations are akin to those of harmonic oscillators, and they manifest themselves through positive correlations between particles of opposite momenta. A quantum-gas experiment reveals that, by cranking up the interactions, these correlations are suppressed, and hence that quantum fluctuations become strong and anharmonic.

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在强相互作用玻色子中观察到的大量子涨落

在弱相互作用玻色子中，量子涨落类似于谐振子的涨落，它们通过相反动量的粒子之间的正相关关系表现出来。一项量子气体实验表明，通过加大相互作用，这些相关性被抑制，因此量子涨落变得强烈而非调和。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Nature Physics 物理-物理：综合

CiteScore

30.40

自引率

2.00%

发文量

349

审稿时长

4-8 weeks

期刊介绍： Nature Physics is dedicated to publishing top-tier original research in physics with a fair and rigorous review process. It provides high visibility and access to a broad readership, maintaining high standards in copy editing and production, ensuring rapid publication, and maintaining independence from academic societies and other vested interests. The journal presents two main research paper formats: Letters and Articles. Alongside primary research, Nature Physics serves as a central source for valuable information within the physics community through Review Articles, News & Views, Research Highlights covering crucial developments across the physics literature, Commentaries, Book Reviews, and Correspondence.

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