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Experiments on quantized turbulence at mK temperatures

Research output: Contribution in Book/Report/ProceedingsChapter

Published

Publication date2001
Host publicationQuantized vortex dynamics and superfluid turbulence
EditorsCarlo F. Barenghi, Russell J. Donnelly, W. F. Vinen
Place of publicationBerlin
PublisherSpringer-Verlag
Pages73-79
Number of pages7
Edition571
ISBN (Print)3-540-42226-9
Original languageEnglish

Publication series

NameLecture notes in physics
PublisherSpringer-Verlag

Abstract

An experiment to investigate the free decay of quantized turbulence in isotopically pure superfluid He-4 at millikelvin temperatures is discussed. The vortices are created by a vibrating grid, and detected by their trapping of negative ions. Preliminary results suggest the existence of a temperature-independent vortex decay mechanism below T » 70 mK.