virtual particles
Fleeting quantum fluctuations
Virtual particles are theoretical entities in quantum physics that briefly pop into and out of existence, borrowing energy from the vacuum in apparent violation of conservation laws.
Unlike "real" particles, they cannot be directly observed—their existence is inferred from measurable effects like the Casimir force between metal plates.
The term appears in popular science writing to explain quantum phenomena: Virtual particles constantly fizz in and out of the vacuum.
Irregular change over time
- vacuumAbsence of matter
- HeisenbergGerman quantum theorist
- uncertaintyState of being unsure
- antiparticleOpposite-charge subatomic twin
annihilation · interaction · exchange · boson · gluon · photon · graviton · perturbation
Passing very quickly
- momentaryLasting very briefly
- evanescentTending to vanish quickly
- transitoryBrief in duration
- short-livedLasting only briefly
vanishing · brief · instantaneous · borrowing · unobservable · intermediate · hidden · probabilistic
fluctuation
Irregular change over time
- vacuumAbsence of matter
- HeisenbergGerman quantum theorist
- uncertaintyState of being unsure
antiparticle · annihilation · interaction · exchange · boson · gluon · photon · graviton · perturbation · propagator
fleeting
Passing very quickly
- momentaryLasting very briefly
- evanescentTending to vanish quickly
- transitoryBrief in duration
short-lived · vanishing · brief · instantaneous · borrowing · unobservable · intermediate · hidden · probabilistic · indeterminate
virtual, virtually, particles, virtual reality, virtuality, particle physics, nonvirtual