Physical Transformation AtlasPTA
Coupling family · coupling:photon-momentum

Photon momentum

Momentum, not energy, of radiation transferred to matter or to charge carriers.

Optics and photonicsalso: radiation pressure, photon drag, optical momentum transfer

Atlas record: 2 claims reference this coupling family — 2 established.

Explorerelations · matrix context · sources · cite

2claims0enumerated routes0routes with complete-composition evidence0candidate routes not searched3cited sources

Relations

member of · 2
Radiation pressure—member of→Photon momentumestablished
Photon drag effect—member of→Photon momentumestablished

Matrix context

D = disequilibrium row · C = coupling family column. A cell reads the state of the atlas for that pair.

D.01 Temperature gradientD.02 Pressure gradientD.03 Concentration gradientD.04 Salinity gradientD.05 Chemical potential differenceD.06 Electric potential differenceD.07 Changing magnetic fluxD.08 Mechanical stress or strainD.09 Mechanical vibrationD.10 Bulk fluid flowD.11 Incident radiation fluxD.12 Radiative imbalance with the skyD.13 Spin accumulationD.14 Metastable phaseD.15 Surface energy differenceD.16 Capillary pressureD.17 Humidity gradientD.18 Osmotic pressure differenceD.19 Gravitational potential differenceD.20 Nuclear binding-energy differenceD.21 Thermal energy at uniform temperatureD.22 Quantum vacuum fluctuationsD.23 Acoustic fieldD.24 Temporal temperature changeD.25 Changing electric field

Cited sources · 3

  1. [1]
    A. C. Trowbridge, E. M. Wright, K. Dholakia. Radiation pressure revisited: historical context and the role of structured light (2025)
    Journal of Optics 27, 075402 · doi:10.1088/2040-8986/ade8fb · crossref ✓ 2026-09-20 · record
  2. [2]
    J. H. Strait et al.. Revisiting the Photon-Drag Effect in Metal Films (2019)
    Physical Review Letters 123, 053903 · doi:10.1103/PhysRevLett.123.053903 · crossref ✓ 2026-09-20 · record
  3. [3]
    A. F. Gibson, M. F. Kimmitt, A. C. Walker. Photon drag in germanium (1970)
    Applied Physics Letters 17, 75-77 · doi:10.1063/1.1653315 · crossref ✓ 2026-09-20 · record

Cite this entity

Physical Transformation Atlas (2026). entity coupling:photon-momentum: Photon momentum. Dataset revision rbfbfcbb70e57 (hash of the canonical data). https://physical-transformation-atlas.wldud5192.workers.dev/e/coupling/photon-momentum

Ids and matrix addresses are stable across revisions; the revision hash identifies the exact canonical files the record was compiled from and is meta.data_hash in every /api export. Reuse terms: see the license field in any export.