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Preliminary measurements on coupling between superfluid He-3 and Kapton or aerogel in the low temperature limit.

Research output: Contribution to journalJournal article

Published

Journal publication date01/2005
JournalJournal of Low Temperature Physics
Journal number1-2
Volume138
Number of pages6
Pages129-134
Original languageEnglish

Abstract

We report preliminary measurements of the coupling between superfluid He-3-B and Kapton or Aerogel samples at very low temperatures. The small Kapton or Aerogel sample is placed, in a quasiparticle black body radiator. The temperature of the ambient H-3 is monitored while the magnetic field on the solid samples is changed. Initial results show that both samples produce large amounts of cooling (or heating) as the field is decreased (or increased). There is also evidence from a large heat capacity of ferromagnetic solid He-3 on the surface of the aerogel as well as at least two distinct physical energy-exchange processes, one rapid and one slow.