Interferometric studies of interfaces at milliKelvin temperatures

Pertti Hakonen; Alexei Babkin; Alexander Parshin; Jussi Ruutu; Jari Saramäki; George Tvalashvili

doi:10.1007/BF02548098

Interferometric studies of interfaces at milliKelvin temperatures

Pertti Hakonen^*, Alexei Babkin, Alexander Parshin, Jussi Ruutu, Jari Saramäki, George Tvalashvili

^*Corresponding author for this work

Department of Applied Physics

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Abstract

A brief review of our recent work on interfaces in quantum systems at millikelvin temperatures is presented. In this paper, we concentrate on high-resolution interferometry on superfluid/solid interface in ⁴He. Our results show a novel surface transition at small inclination angles off the c-axis, slow facet growth which cannot be assigned to the regular screw-dislocation-mediated mechanism, and fast spiral growth moderated by step localization.

Original language	English
Pages (from-to)	2965-2972
Number of pages	8
Journal	Czechoslovak Journal of Physics
Volume	46
Issue number	SUPPL. 6
DOIs	https://doi.org/10.1007/BF02548098
Publication status	Published - 1996
MoE publication type	A1 Journal article-refereed

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abstract = "A brief review of our recent work on interfaces in quantum systems at millikelvin temperatures is presented. In this paper, we concentrate on high-resolution interferometry on superfluid/solid interface in 4He. Our results show a novel surface transition at small inclination angles off the c-axis, slow facet growth which cannot be assigned to the regular screw-dislocation-mediated mechanism, and fast spiral growth moderated by step localization.",

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AU - Hakonen, Pertti

AU - Babkin, Alexei

AU - Parshin, Alexander

AU - Ruutu, Jussi

AU - Saramäki, Jari

AU - Tvalashvili, George

PY - 1996

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AB - A brief review of our recent work on interfaces in quantum systems at millikelvin temperatures is presented. In this paper, we concentrate on high-resolution interferometry on superfluid/solid interface in 4He. Our results show a novel surface transition at small inclination angles off the c-axis, slow facet growth which cannot be assigned to the regular screw-dislocation-mediated mechanism, and fast spiral growth moderated by step localization.

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Interferometric studies of interfaces at milliKelvin temperatures

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