Fermi surface
E8657
The Fermi surface is the boundary in momentum space separating occupied from unoccupied electron states at zero temperature, crucial for determining a metal’s electronic and superconducting properties.
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
concept in condensed matter physics
→
object in momentum space → |
| canBe |
closed surface in reciprocal space
→
open surface in reciprocal space → |
| canHave |
electron pockets
→
hole pockets → multiple sheets → nesting features → |
| definedIn |
momentum space
→
reciprocal space → |
| dependsOn |
crystal lattice periodicity
→
electron band structure → electron density → |
| field |
condensed matter physics
→
solid-state physics → |
| givesRiseTo |
Umklapp scattering conditions
→
|
| hasIdealShapeIn |
free electron gas model
→
|
| idealShape |
circle in two dimensions
→
sphere in three dimensions → |
| importantFor |
Fermi liquid theory
→
Hall effect → density of states at Fermi level → electrical conductivity → magnetoresistance → quasiparticle dynamics → superconducting properties → thermal conductivity → |
| influences |
charge density wave formation
→
pairing symmetry in superconductors → spin density wave formation → superconducting gap structure → |
| interactsWith |
Brillouin zone boundaries
→
|
| namedAfter |
Enrico Fermi
→
|
| probedBy |
ARPES
→
Shubnikov–de Haas effect → angle-resolved photoemission spectroscopy → cyclotron resonance → de Haas–van Alphen effect → quantum oscillation measurements → |
| relatedTo |
Brillouin zone
→
Fermi energy → Fermi level → Fermi momentum → |
| separates |
occupied electron states
→
unoccupied electron states → |
| shapeDetermines |
electronic properties of metals
→
magnetic properties of metals → thermal properties of metals → transport properties of metals → |
| temperatureCondition |
zero temperature
→
|
Referenced by (4)
| Subject (surface form when different) | Predicate |
|---|---|
|
Fermi energy
→
|
isEnergyOf |
|
Enrico Fermi
→
|
knownFor |
|
Fermi gas
→
|
relatedToConcept |
|
BCS theory of superconductivity
→
|
usesConcept |