Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Riekki, T. S."'
We studied a novel cooling method, in which $^3$He and $^4$He are mixed at the $^4$He crystallization pressure at temperatures below $0.5\,\mathrm{mK}$. We describe the experimental setup in detail, and present an analysis of its performance under va
Externí odkaz:
http://arxiv.org/abs/1911.06083
We studied the thermal conductivity of superfluid $^3$He in a 2.5 mm effective diameter and 0.15 m long channel connecting the two volumes of our experimental assembly. The main volume contained pure solid $^4$He, pure liquid $^3$He and saturated liq
Externí odkaz:
http://arxiv.org/abs/1907.05197
Publikováno v:
Phys. Rev. B 99, 054502 (2019)
In the cooling concept by adiabatic melting, solid $^{4}$He is converted to liquid and mixed with $^{3}$He to produce cooling power directly in the liquid phase. This method overcomes the thermal boundary resistance that conventionally limits the low
Externí odkaz:
http://arxiv.org/abs/1810.10432
In pure superfluid $^3$He-B at ultra-low temperatures, quartz tuning fork oscillator response is expected to saturate when the dissipation caused by the superfluid medium becomes substantially smaller than the internal dissipation of the oscillator.
Externí odkaz:
http://arxiv.org/abs/1807.05084
Publikováno v:
Phys. Rev. B 94, 224514 (2016)
Bulk superfluid helium supports two sound modes: first sound is an ordinary pressure wave, while second sound is a temperature wave, unique to inviscid superfluid systems. These sound modes do not usually exist independently, but rather variations in
Externí odkaz:
http://arxiv.org/abs/1607.08767
Autor:
Riekki, T. S.1 (AUTHOR) tapio.riekki@aalto.fi, Tuoriniemi, J. T.1 (AUTHOR), Sebedash, A. P.2 (AUTHOR)
Publikováno v:
Journal of Low Temperature Physics. Oct2020, Vol. 201 Issue 1/2, p128-138. 11p.
Autor:
Riekki, T. S.1 (AUTHOR) tapio.riekki@aalto.fi, Sebedash, A. P.2 (AUTHOR), Tuoriniemi, J. T.1 (AUTHOR)
Publikováno v:
Journal of Low Temperature Physics. Jun2020, Vol. 199 Issue 5/6, p1230-1267. 38p.
Autor:
Riekki, T. S.1 (AUTHOR) tapio.riekki@aalto.fi, Rysti, J.1 (AUTHOR), Mäkinen, J. T.1 (AUTHOR), Sebedash, A. P.2 (AUTHOR), Eltsov, V. B.1 (AUTHOR), Tuoriniemi, J. T.1 (AUTHOR)
Publikováno v:
Journal of Low Temperature Physics. Jul2019, Vol. 196 Issue 1/2, p73-81. 9p.
In the cooling concept by adiabatic melting, solid He4 is converted to liquid and mixed with He3 to produce cooling power directly in the liquid phase. This method overcomes the thermal boundary resistance that conventionally limits the lowest availa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______661::ecbf857ef921716e7b62f62404371552
https://aaltodoc.aalto.fi/handle/123456789/36732
https://aaltodoc.aalto.fi/handle/123456789/36732
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