The boundary resistance between superfluid ⁴He near Tλ and a solid surface
We report high-resolution measurements of the singular contribution Rb to the thermal boundary resistance between a solid surface and superfluid helium near the superfluid-transition temperature Tλ. The results confirm the observation by Murphy and Meyer that a gap between the cell end and the side...
Збережено в:
| Дата: | 1998 |
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| Автори: | , , , |
| Формат: | Стаття |
| Мова: | English |
| Опубліковано: |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
1998
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| Назва видання: | Физика низких температур |
| Теми: | |
| Онлайн доступ: | http://dspace.nbuv.gov.ua/handle/123456789/176369 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Цитувати: | The boundary resistance between superfluid ⁴He near Tλ and a solid surface / Haiying Fu, Hanan Baddar, Kerry Kuehn, Guenter Ahlers // Физика низких температур. — 1998. — Т. 24, № 2. — С. 101-103. — Бібліогр.: 14 назв. — англ. |
Репозитарії
Digital Library of Periodicals of National Academy of Sciences of Ukraine| Резюме: | We report high-resolution measurements of the singular contribution Rb to the thermal boundary resistance between a solid surface and superfluid helium near the superfluid-transition temperature Tλ. The results confirm the observation by Murphy and Meyer that a gap between the cell end and the
sidewall leads to an apparent finite-current contribution to Rb . In the absence of such a gap, overall
agreement of Rb with theoretical predictions is very good Remaining small differences require further
investigations. Without a sidewall gap and within our resolution we found no finite-current effects over
the range 3.9φW/cm² < Q < 221 φW/cm2. |
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