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Superfluid helium-4 - Wikipedia
Superfluid helium-4 (helium II or He-II) is the superfluid form of helium-4, an isotope of the element helium. A superfluid is a state of matter in which matter behaves like a fluid with zero viscosity. The substance, which resembles other liquids such as helium I (conventional, non-superfluid liquid helium), … See more
Known as a major facet in the study of quantum hydrodynamics and macroscopic quantum phenomena, the superfluidity effect was discovered by Pyotr Kapitsa and See more
Recently in the field of chemistry, superfluid helium-4 has been successfully used in spectroscopic techniques as a quantum solvent. … See more
Thermodynamics
Figure 1 is the phase diagram of He. It is a pressure-temperature (p-T) diagram indicating the solid … See moreSuperfluids, such as helium-4 below the lambda point, exhibit many unusual properties. A superfluid acts as if it were a mixture of a normal component, with all the properties of a … See more
Landau two-fluid approach
L. D. Landau's phenomenological and semi-microscopic theory of superfluidity of helium-4 earned him … See more• Antony M. Guénault: Basic superfluids. Taylor & Francis, London 2003, ISBN 0-7484-0891-6
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Helium-4 - Wikipedia
Imaging quantized vortex rings in superfluid helium to ... - Nature
Superfluidity: the mysterious quantum effect that …
Feb 14, 2024 · The strange properties of superfluid helium-4 (also known as liquid helium II) arise because of the quantum rules governing the symmetry of the wave functions of helium atoms. Electrons, which are fermions, cannot occupy …
Superfluidity - Wikipedia
Superfluidity occurs in two isotopes of helium (helium-3 and helium-4) when they are liquefied by cooling to cryogenic temperatures. It is also a property of various other exotic states of matter theorized to exist in astrophysics, high-energy …
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Superfluid helium: the quantum curiosity that enables …
May 6, 2024 · The superfluid that we have been talking about so far in this interview is helium-4, which is by far the most abundant isotope of the element. Helium-4 is a boson and bosonic atoms are able to condense into the lowest …
Eighty years of superfluidity - Nature
Jan 15, 2018 · At sufficiently low temperatures, helium-4 atoms undergo Bose–Einstein condensation and become a superfluid. Similarly, in the BCS theory of superconductivity, electrons that have a suitably...
Phys. Rev. Fluids 6, 044702 (2021) - Physics of superfluid helium …
Supersolid helium - Nature
How could a solid be superfluid? - Physics
Aug 25, 2008 · Experiments indicate that, as in a superfluid, mass can flow through solid helium-4 without viscous resistance. Recent calculations shed light on how this may happen thanks to defects in the crystal lattice.
Revisiting Thomson’s model with multiply charged superfluid …
Cold Atoms Link a BEC, a Superfluid, and a Supersolid
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Superfluid helium 4 - YouTube
[2211.02236v1] Microscopic picture of superfluid $^4$He - arXiv.org
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Superfluid helium-4 - WikiMili, The Best Wikipedia Reader
Revisiting Thomson's model with multiply charged superfluid …
Suprafluidität – Wikipedia