quantum
minimum positive amount of any physical property involved in an interaction
elementary charge
the electric charge carried by a single proton or a single positron
photon
elementary particle, the carrier and quantum of electromagnetism
phonon
quasiparticle of mechanical vibrations
force carrier
particles (quanta of a field) that give rise to forces between other particles
quantum chemistry
field of chemistry
chronon
Theoretical Unit
magnon
spin 1 quasiparticle; quantum of a spin wave