Evidence for a Spatially Modulated Superfluid Phase of under Confinement

LV Levitin, B Yager, L Sumner, B Cowan, AJ Casey… - Physical review …, 2019 - APS
In superfluid He 3-B confined in a slab geometry, domain walls between regions of different
order parameter orientation are predicted to be energetically stable. Formation of the …

Fragility of surface states in topological superfluid 3He

PJ Heikkinen, A Casey, LV Levitin, X Rojas… - Nature …, 2021 - nature.com
Superfluid 3He, with unconventional spin-triplet p-wave pairing, provides a model system for
topological superconductors, which have attracted significant interest through potential …

Supercooling of the A phase of 3He

Y Tian, D Lotnyk, A Eyal, K Zhang, N Zhelev… - Nature …, 2023 - nature.com
Because of the extreme purity, lack of disorder, and complex order parameter, the first-order
superfluid 3He A–B transition is the leading model system for first order transitions in the …

Thermal expansion coefficient tailoring of LAS glass-ceramic for anodic bondable low temperature co-fired ceramic application

A Wei, Z Liu, F Zhang, M Ma, G Chen, Y Li - Ceramics International, 2020 - Elsevier
Abstract The Li–Al–Si glass-ceramics were prepared by conventional glass-ceramic
fabrication method. The influences of Na 2 O content on the sintering property …

Path-Dependent Supercooling of the Superfluid Transition

D Lotnyk, A Eyal, N Zhelev, A Sebastian, Y Tian… - Physical review …, 2021 - APS
We examine the discontinuous first-order superfluid He 3 A to B transition in the vicinity of
the polycritical point (2.232 mK and 21.22 bar). We find path-dependent transitions: cooling …

Thermal transport of helium-3 in a strongly confining channel

D Lotnyk, A Eyal, N Zhelev, TS Abhilash… - Nature …, 2020 - nature.com
The investigation of transport properties in normal liquid helium-3 and its topological
superfluid phases provides insights into related phenomena in electron fluids, topological …

Superfluid optomechanics with phononic nanostructures

S Spence, ZX Koong, SAR Horsley, X Rojas - Physical Review Applied, 2021 - APS
In quantum optomechanics, finding materials and strategies to limit losses has been crucial
to the progress of the field. Recently, superfluid 4 He was proposed as a promising …

Nanofluidic platform for studying the first-order phase transitions in superfluid helium-3

PJ Heikkinen, N Eng, LV Levitin, X Rojas… - Journal of Low …, 2024 - Springer
The symmetry-breaking first-order phase transition between superfluid phases 3 He-A and 3
He-B can be triggered extrinsically by ionising radiation or heterogeneous nucleation arising …

Chiral superfluidity of helium-3 in the quasi-two-dimensional limit

PJ Heikkinen, LV Levitin, X Rojas, A Singh… - arXiv preprint arXiv …, 2024 - arxiv.org
Anisotropic pair breaking close to surfaces favors chiral superfluid $^ 3$ He-A over time-
reversal invariant $^ 3$ He-B. Confining superfluid $^ 3$ He into a cavity of height $ D $ of …

Parylene-bonded micro-fluidic channels for cryogenic experiments at superfluid He-4 temperatures

Š Midlik, I Gablech, M Goleňa, J Brodský… - Review of Scientific …, 2024 - pubs.aip.org
We present the manufacturing process of a (24.5× 100) μm 2-sized on-chip flow channel
intended for flow experiments with normal and superfluid phases of 4 He and showcase …