Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
quasiparticle
collective excitation |
| gptkbp:canBe |
acoustic phonon
optical phonon |
| gptkbp:carries |
gptkb:energy
momentum |
| gptkbp:describes |
quantized lattice vibration
|
| gptkbp:energy_given_by |
E = ħω
|
| gptkbp:firstDescribed |
gptkb:Igor_Tamm
1932 |
| gptkbp:hasProperty |
dispersion relation
|
| https://www.w3.org/2000/01/rdf-schema#label |
phonon (in crystals)
|
| gptkbp:importantFor |
superconductivity
thermal expansion |
| gptkbp:interactsWith |
gptkb:electrons
photons other phonons |
| gptkbp:momentum_given_by |
p = ħk
|
| gptkbp:observedBy |
gptkb:Bose-Einstein_statistics
|
| gptkbp:occurredIn |
crystalline solids
|
| gptkbp:quantized_by |
gptkb:Planck_constant
|
| gptkbp:relatedTo |
thermal conductivity
heat capacity |
| gptkbp:studiedBy |
gptkb:Raman_spectroscopy
neutron scattering |
| gptkbp:bfsParent |
gptkb:Goldstone_boson
|
| gptkbp:bfsLayer |
6
|