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A fluid, such as liquid helium, that flows with little or no friction at temperatures close to absolute zero.

su′per·flu·id′i·ty (-flo͞o-ĭd′ĭ-tē) n.


(General Physics) physics a fluid in a state characterized by a very low viscosity, high thermal conductivity, high capillarity, etc. The only known example is that of liquid helium at temperatures close to absolute zero
(General Physics) being or relating to a superfluid


(ˌsu pərˈflu ɪd)
a fluid having frictionless flow, high heat conductivity, and other unusual properties: helium below 2.186 K is the only known example.
su`per•flu•id′i•ty, n.
References in periodicals archive ?
Richard et al., "Quantized vortices in an exciton-polariton condensate," Nature Physics, vol.
"A cooled hollow superconductive shield is energized by an electromagnetic field resulting in the quantized vortices of lattice ions projecting a gravitomagnetic field that forms a spacetime curvature anomaly outside the space vehicle.
Furthermore, it is well-known that Gross-Pitaevskii equation could exhibit topologically non-trivial vortex solutions [26, 27], which can be expressed as quantized vortices:
It is proposed here that this equation of quantized distance (5) is resulted from topological quantized vortices (31), and agrees with Gross-Pitaevskii (quantum phion condensate) description of CMB spectrum [25].
Upon rotation, quantized vortices may form within the BEC.
Nonetheless, there is remaining question in this quantized vortices interpretation, i.
It is known that Ginzburg-Landau equation exhibits fractal character, which implies that quantization could happen at any scale, supporting topological interpretation of quantized vortices [4].