Bardeen–Stephen model
E768633
The Bardeen–Stephen model is a theoretical framework in superconductivity that describes the motion and dissipation of energy by magnetic flux vortices in type-II superconductors.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Bardeen–Stephen model canonical | 3 |
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf | theoretical model ⓘ |
| appliesTo | type-II superconductor ⓘ |
| assumes |
linear response regime
ⓘ
vortex core behaves like normal metal ⓘ weak pinning of vortices ⓘ |
| basedOn | normal core of a vortex ⓘ |
| category |
dissipative processes in superconductors
ⓘ
vortex dynamics model ⓘ |
| describes |
dissipation of energy by vortices
ⓘ
flux-flow resistivity ⓘ motion of magnetic flux vortices ⓘ vortex dynamics ⓘ |
| field | superconductivity ⓘ |
| frameworkType | phenomenological model ⓘ |
| influenced | later vortex dynamics theories ⓘ |
| introducedBy |
John Bardeen
NERFINISHED
ⓘ
Michael Stephen NERFINISHED ⓘ |
| involvesQuantity |
flux-flow resistivity ρff
ⓘ
magnetic flux quantum Φ0 ⓘ normal-state resistivity ρn ⓘ upper critical field Hc2 ⓘ vortex viscosity η ⓘ |
| language | English ⓘ |
| namedAfter |
John Bardeen
NERFINISHED
ⓘ
Michael Stephen NERFINISHED ⓘ |
| neglects |
nonlinear effects at high current densities
ⓘ
strong vortex pinning ⓘ |
| predicts |
ρff proportional to magnetic field B
ⓘ
ρff ≈ ρn·B/Hc2 ⓘ |
| publishedIn | Physical Review NERFINISHED ⓘ |
| relatedTo |
Ginzburg–Landau theory
NERFINISHED
ⓘ
flux-flow regime ⓘ vortex motion under applied current ⓘ |
| relates |
flux-flow resistivity to normal-state resistivity
ⓘ
vortex velocity to Lorentz force ⓘ |
| usedFor |
calculating flux-flow resistivity
ⓘ
estimating vortex viscosity ⓘ |
| usedIn |
analysis of transport measurements in type-II superconductors
ⓘ
interpretation of magnetoresistance data ⓘ |
| validIn | mixed state of type-II superconductors ⓘ |
| yearProposed | 1965 ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.