Critical Overpressure for Nucleation of 4He Crystals in Aerogel

被引：1

作者：

Matsuda, Hirofumi ^{[1
]}

Masumoto, Ryota ^{[1
]}

Ochi, Aguri ^{[1
]}

Nomura, Ryuji ^{[1
]}

Okuda, Yuichi ^{[1
]}

机构：

[1] Tokyo Inst Technol, Dept Phys, Meguro Ku, Tokyo 1528551, Japan

来源：

26TH INTERNATIONAL CONFERENCE ON LOW TEMPERATURE PHYSICS (LT26), PTS 1-5 | 2012年 / 400卷

关键词：

SUPERFLUID HE-3-HE-4 MIXTURES; CRYSTALLIZATION;

D O I：

10.1088/1742-6596/400/1/012044

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In an aerogel contained in a flat glass tube, we measured critical overpressures at which the very first He-4 crystal appeared. Crystallization and melting were repeated 50 times at a constant temperature in a variable volume cell and the nucleation probability as a function of overpressure was obtained. An anisotropic S shape characteristic of the nucleation process was successfully observed.

引用

页数：4

共 16 条

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