实现一维量子流体的新实验平台

IF 1.4 3区物理与天体物理 Q4 PHYSICS, APPLIED

Journal of Low Temperature Physics Pub Date : 2025-08-15 DOI:10.1007/s10909-025-03329-9

Stephanie McNamara, Prabin Parajuli, Sutirtha Paul, Garfield Warren, Adrian Del Maestro, Paul E. Sokol

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引用次数: 0

摘要

像MCM-41这样的模板多孔材料由于其均匀的结构，为研究一维量子流体提供了一个可扩展的平台。然而，实现真正的一维氦行为受到孔径的限制，孔径通常大于氦的相干长度。基于先前使用Ar预镀减小孔径和软化吸附电位的工作，我们提出了一种新的方法：用铯（Cs）预镀MCM-41。铯的大原子半径和与氦的非润湿相互作用创造了理想的约束环境。初步吸附等温线和小角度x射线散射数据证实孔隙半径减小，支持在cs预镀的MCM-41中实现1D 4He量子流体的潜力。

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Novel Experimental Platform to Realize One-dimensional Quantum Fluids

Templated porous materials like MCM-41 offer a scalable platform for studying one-dimensional quantum fluids due to their uniform structure. However, achieving true 1D helium behavior is limited by pore sizes typically larger than helium’s coherence length. Building on prior work using Ar preplating to reduce pore size and soften adsorption potentials, we propose a novel approach: preplating MCM-41 with cesium (Cs). Cs’s large atomic radius and non-wetting interaction with helium create an ideal confinement environment. Preliminary adsorption isotherms and small-angle X-ray scattering data confirm reduced pore radii, supporting the potential for realizing 1D ⁴He quantum fluids in Cs-preplated MCM-41.

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来源期刊

Journal of Low Temperature Physics 物理-物理：凝聚态物理

CiteScore

3.30

自引率

25.00%

发文量

245

审稿时长

1 months

期刊介绍： The Journal of Low Temperature Physics publishes original papers and review articles on all areas of low temperature physics and cryogenics, including theoretical and experimental contributions. Subject areas include: Quantum solids, liquids and gases; Superfluidity; Superconductivity; Condensed matter physics; Experimental techniques; The Journal encourages the submission of Rapid Communications and Special Issues.