Rotating quantum wave turbulence

JT Mäkinen, S Autti, PJ Heikkinen, JJ Hosio… - Nature physics, 2023 - nature.com
Turbulence under strong influence of rotation is described as an ensemble of interacting
inertial waves across a wide range of length scales. In macroscopic quantum condensates …

Half-quantum vortices and walls bounded by strings in the polar-distorted phases of topological superfluid 3He

JT Mäkinen, VV Dmitriev, J Nissinen, J Rysti… - Nature …, 2019 - nature.com
Symmetries of the physical world have guided formulation of fundamental laws, including
relativistic quantum field theory and understanding of possible states of matter. Topological …

Suppressing the Kibble-Zurek mechanism by a symmetry-violating bias

J Rysti, JT Mäkinen, S Autti, T Kamppinen… - Physical Review Letters, 2021 - APS
The formation of topological defects in continuous phase transitions is driven by the Kibble-
Zurek mechanism. Here we study the formation of single-and half-quantum vortices during …

Polar Phase of He in Nematic Aerogel and Quartz Tuning Fork as Sensitive Detectors of Surface Boundary Conditions

VV Dmitriev, VB Eltsov, J Rysti, AA Soldatov… - Journal of Low …, 2022 - Springer
A new superfluid phase of 3 He, a polar phase, which is known to stabilize in nematic
aerogel, has already led to the observation of many new phenomena. One important …

Topological nodal line in superfluid 3He and the Anderson theorem

T Kamppinen, J Rysti, MM Volard, GE Volovik… - Nature …, 2023 - nature.com
Superconductivity and superfluidity with anisotropic pairing—such as d-wave in cuprates
and p-wave in superfluid 3He—are strongly suppressed by impurities. Meanwhile, for …

Acoustic damping of quartz tuning forks in normal and superfluid

AM Guénault, RP Haley, S Kafanov, MT Noble… - Physical Review B, 2019 - APS
We investigate the damping experienced by quartz tuning fork resonators in normal and
superfluid He 3 as a function of their resonance frequency from 22 to 250 kHz and contrast it …

Performance of Adiabatic Melting as a Method to Pursue the Lowest Possible Temperature in and Mixture at the Crystallization Pressure

TS Riekki, AP Sebedash, JT Tuoriniemi - Journal of Low Temperature …, 2020 - Springer
We studied a novel cooling method, in which^ 3 He 3 He and^ 4 He 4 He are mixed at the^ 4
He 4 He crystallization pressure at temperatures below 0.5\, mK 0.5 mK. We describe the …

Thermal Conductivity of Superfluid He-B in a Tubular Channel Down to 0.1 at the He Crystallization Pressure

TS Riekki, JT Tuoriniemi, AP Sebedash - Journal of Low Temperature …, 2020 - Springer
We studied the thermal conductivity of superfluid^ 3 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 …

[PDF][PDF] Thermal conductivity of superfluid 3He-B in a narrow channel down to 0.1 Tc at the 4He crystallization pressure

TS Riekki, JT Tuoriniemi… - arXiv preprint arXiv …, 2019 - researchgate.net
Our experimental assembly consists of a large main volume and a smaller sinter-filled heat-
exchanger volume connected together by a narrow channel. Most of the main volume is …

[图书][B] New Methods of Measurements in Superfluid Helium

MT Noble - 2019 - search.proquest.com
New Methods of Measurements in Superfluid Helium Page 1 Lancaster University New
Methods of Measurements in Superfluid Helium by Mark Theodore Noble, MPhys (Hons) This …