Investigations of new phases of superfluid <sup>3</sup>He in nematic aerogel using a vibrating wire

V.V. Dmitriev^†^a, D.V. Petrova^‡^a, b, A.A. Soldatov^§^a, A.N. Yudin^*^a, b
^aP.L. Kapitza Institute for Physical Problems, Russian Academy of Sciences, ul. Kosygina 2, Moscow, 119334, Russian Federation
^bHSE University, ul. Myasnitskaya 20, Moscow, 101000, Russian Federation

The article presents the results of experiments in superfluid ³He, performed using a vibrating wire resonator with a nematic aerogel glued to it, which allowed detecting transitions of ³He to new superfluid phases: to the polar phase, β-phase, and the distorted A- and β-phases. Experiments on observing the A₁-phase in a nematic aerogel are also described, where the suppression of the transition temperature was studied, which we associate with the influence of magnetic scattering.

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Keywords: superfluidity of ³He, nematic aerogel, vibrating wire
PACS: 67.30.H−, 67.30.hb, 67.30.hm (all)
DOI: 10.3367/UFNe.2024.07.039760
URL: https://ufn.ru/en/articles/2024/12/f/
Web of Science

001460085800006
Scopus

2-s2.0-85217281859
ADS NASA

2024PhyU...67.1239D
Citation: Dmitriev V V, Petrova D V, Soldatov A A, Yudin A N "Investigations of new phases of superfluid ³He in nematic aerogel using a vibrating wire" Phys. Usp. 67 1239–1247 (2024)

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Received: 27th, August 2024, accepted: 10th, July 2024

Оригинал: Дмитриев В В, Петрова Д В, Солдатов А А, Юдин А Н «Исследования новых фаз сверхтекучего ³He в нематическом аэрогеле с использованием вибрирующей проволочки» УФН 194 1310–1319 (2024); DOI: 10.3367/UFNr.2024.07.039760

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Investigations of new phases of superfluid 3He in nematic aerogel using a vibrating wire

Investigations of new phases of superfluid ³He in nematic aerogel using a vibrating wire