Design of a system for controlling a levitating sphere in superfluid 3He at extremely low temperatures

Arrayás, M. and Trueba, J.L. and Uriarte, C. and Zmeev, D.E. (2021) Design of a system for controlling a levitating sphere in superfluid 3He at extremely low temperatures. Scientific Reports, 11 (1). ISSN 2045-2322

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Abstract

We present a new mechanical probe to study the properties of superfluid 3He at microkelvin temperatures down to 100 μK. The setup consists of a set of coils for levitating a superconducting sphere and controlling its motion in a wide variety of regimes. In particular, the realisation of motion of a levitating body at a uniform velocity presents both an experimental challenge and a promising direction into the study of the edge states in topological superfluid 3He-B. We include the theoretical study of the device stability and simulations to illustrate the capabilities of the control system.

Item Type:
Journal Article
Journal or Publication Title:
Scientific Reports
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/1000
Subjects:
ID Code:
161328
Deposited By:
Deposited On:
22 Oct 2021 13:40
Refereed?:
Yes
Published?:
Published
Last Modified:
22 Nov 2021 16:49