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pro vyhledávání: '"Kanai, Toshiaki"'
Autor:
Kanai, Toshiaki, Zhang, Chuanwei
Understanding the elementary mechanism for the dissipation of vortex energy in quantum liquids is one central issue in quantum hydrodynamics, such as quantum turbulence in systems ranging from neutron stars to atomic condensates. In a two-dimensional
Externí odkaz:
http://arxiv.org/abs/2407.14627
Single electrons trapped on solid neon surfaces (eNe) have recently emerged as a promising platform for charge qubits. Experimental results have revealed their exceptionally long coherence times, yet the actual quantum states of these trapped electro
Externí odkaz:
http://arxiv.org/abs/2311.02501
Superfluid helium-4 (He II) is a widely adopted coolant in scientific and engineering applications owing to its exceptional heat transfer capabilities. However, boiling can spontaneously occur on a heating surface in He II when the heat flux exceeds
Externí odkaz:
http://arxiv.org/abs/2310.07546
Autor:
Guo, Wei, Kanai, Toshiaki
The pioneering work of William F. Vinen (also known as Joe Vinen) on thermal counterflow turbulence in superfluid helium-4 largely inaugurated the research on quantum turbulence. But despite decades of research on this topic, there are still open que
Externí odkaz:
http://arxiv.org/abs/2212.07468
Like many quantum fluids, superfluid helium-4 (He II) can be considered as a mixture of two miscible fluid components: an inviscid superfluid and a viscous normal fluid consisting of thermal quasiparticles [1]. A mutual friction between the two fluid
Externí odkaz:
http://arxiv.org/abs/2211.01560
Autor:
Kanai, Toshiaki, Guo, Wei
Publikováno v:
Phys. Rev. Lett. 127, 095301 (2021)
In a two-dimensional (2D) turbulent fluid containing point-like vortices, Lars Onsager predicted that adding energy to the fluid can lead to the formation of persistent clusters of like-signed vortices, i.e., Onsager vortex (OV) clusters. In the evol
Externí odkaz:
http://arxiv.org/abs/2105.01253
Superconducting radio-frequency (SRF) cavities cooled by superfluid helium-4 (He II) are building blocks of many modern particle accelerators due to their high quality factor. However, Joule heating from sub-millimeter surface defects on cavities can
Externí odkaz:
http://arxiv.org/abs/2005.04498
Despite being a quantum two-fluid system, superfluid helium-4 (He II) is observed to behave similarly to classical fluids when a flow is generated by mechanical forcing. This similarity has brought up the feasibility of utilizing He II for high Reyno
Externí odkaz:
http://arxiv.org/abs/2004.05662
Publikováno v:
Phys. Rev. Lett. 124, 105302 (2020)
When rotating classical fluid drops merge together, angular momentum can be advected from one to another due to the viscous shear flow at the drop interface. It remains elusive what the corresponding mechanism is in inviscid quantum fluids such as Bo
Externí odkaz:
http://arxiv.org/abs/1909.08086
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