Linked from

The 121 pages that link to Photon, each with the reason it gives.

• ElectronCompared with: Unlike the electron, it is neutral and massless, and mediates electromagnetism.

• MomentumCompared with: Photons carry momentum despite having no rest mass.

• PhononCompared with: Unlike photons, phonons are quasiparticles tied to vibrations in a material.

• GluonCompared with: Unlike gluons, photons carry no electric charge and do not directly interact with one another.

• Electromagnetic fieldCompared with: The photon is the field's quantum description, unlike its classical continuous-field account.

• Color chargeCompared with: Unlike photons, gluons themselves carry the charge of the force they mediate.

• W and Z bosonsCompared with: Unlike W and Z bosons, it is massless and mediates a long-range force.

• GravitonCompared with: Its established detection contrasts with the graviton’s hypothetical status and proposed spin 2.

• PionCompared with: Photons are fundamental force carriers; pions are massive composite particles.

• AntiparticleCompared with: A photon is its own antiparticle, unlike an electron and positron.

• Charged particleCompared with: Photons carry electromagnetic energy but are not themselves electrically charged.

• Thomson scatteringCompared with: Photon language exposes the quantum recoil neglected in the classical approximation.

• Wave theory of lightCompared with: Photon behavior complements, rather than replaces, wave descriptions of light.

• Invariant massCompared with: A photon has zero individual invariant mass, while a photon system can have nonzero invariant mass.

• Wave opticsCompared with: Photon detections are discrete even when their accumulated pattern follows wave interference.

• Z bosonCompared with: Electroweak mixing produces the photon alongside the massive Z boson.

• PlasmonCompared with: A photon is a light quantum; a plasmon is a material excitation that can couple to light.

• BKS theoryCompared with: The photon account restores event-by-event conservation that BKS abandoned.

• Subatomic particleCompared with: Photons are force carriers rather than constituents of ordinary atomic nuclei.