Definition of quasiparticle in English:

quasiparticle

Line breaks: quasi|par¦ticle
Pronunciation: /ˌkweɪzʌɪˈpaːtɪk(ə)l
 
, ˌkweɪsʌɪ-, ˈkwɑːzi/

noun

Physics
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.
More 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.

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