Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
phase of matter
|
| gptkbp:alsoKnownAs |
gptkb:superfluid_helium
|
| gptkbp:compatibleWith |
helium-3 superfluid phase
|
| gptkbp:density_at_lambda_point |
0.145 g/cm³
|
| gptkbp:discoveredBy |
1937
|
| gptkbp:exhibits |
superfluidity
quantized vortices fountain effect zero viscosity high thermal conductivity |
| gptkbp:heldBy |
gptkb:Bose–Einstein_condensate
|
| https://www.w3.org/2000/01/rdf-schema#label |
helium II
|
| gptkbp:is_a_phase_of |
gptkb:helium
|
| gptkbp:is_formed_from |
gptkb:helium-4
|
| gptkbp:occurs_at_temperature_below |
2.17 K
|
| gptkbp:studiedBy |
gptkb:Pyotr_Kapitsa
gptkb:Don_Misener gptkb:John_F._Allen |
| gptkbp:transition_temperature_called |
gptkb:lambda_point
|
| gptkbp:used_in |
cryogenics
cooling superconducting magnets |
| gptkbp:bfsParent |
gptkb:superfluid_helium
|
| gptkbp:bfsLayer |
6
|