Share this entry
quasiparticle Line breaks: quasi|par¦ticle
Pronunciation: /ˌkweɪzʌɪˈpaːtɪk(ə)l/
/ˌkweɪsʌɪˈpaːtɪk(ə)l/ /ˈkwɑːzi/

Definition of quasiparticle in English:


A quantum of energy in a crystal lattice or other system of bodies which has momentum and position and can in some respects be regarded as a particle.
Example sentences
  • Remember that we also know that in many body systems there are quasiparticles which act very much like normal particles.
  • The effective masses of the electrons are therefore increased - by a few percent in simple metals and by factors of up to 1000 in ‘heavy fermion ‘systems - but the quasiparticles still carry the same charge and spin as free electrons.’
  • One point which Wen is particularly excited about is that fermions can appear as quasiparticles in local bosonic lattice systems.
Definition of quasiparticle in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove adverts and access premium resources