quasiparticle
phenomenon that occurs when a microscopically complicated system (such as a solid) behaves as if it contained different weakly interacting particles in free space
Cooper pair
pair of electrons or other fermions bound together at low temperature allowing for superconductivity
electron hole
conceptual and mathematical opposite of an electron
exciton
quasiparticle which is a bound state of an electron and an electron hole
phonon
quasiparticle of mechanical vibrations
fracton
emergent topological quasiparticle excitation which is immobile when in isolation
Pines' demon
quasiparticle in condensed matter physics
anyon
type of particle that occurs only in two-dimensional systems
magnon
spin 1 quasiparticle; quantum of a spin wave