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 (kwā′zī-pär′tĭ-kəl, kwä′zē-)
Any of various discrete physical phenomena, such as phonons, that can be modeled as particles and can be induced by the interaction of conventional particles.
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Noun1.quasiparticle - a quantum of energy (in a crystal lattice or other system) that has position and momentum and can in some respects be regarded as a particle
quantum - (physics) the smallest discrete quantity of some physical property that a system can possess (according to quantum theory)
References in periodicals archive ?
No manipulation of single quasiparticles has been reported yet and the determination of some quasiparticle characteristics, such as the fractional statistics remains elusive.
The main uses of QFT is in relativistic physics, quasiparticle motions in condensed matter and in the "Wick rotated" form which converts temporal evolution to a high temperature expansion of the thermodynamic potentials.
The first volume, Current Developments, reviews the present status of research on quasiparticle dynamics, collective excitation, heterogeneous electron transfer, photoinduced modification of materials and applications of novel techniques to study the dynamics of solids and interfaces.
The purpose of this book is to acquaint readers familiar with quantum statistical mechanics with methods of modern mathematical physics developed in connection with polaron theory, a polaron being a quasiparticle composed of a change and its accompanying polarization field.
They explored the behavior of the charged quasiparticle in a two-dimensional (2D) semiconductor that is an excellent absorber of sunlight.
We will not address very complicated methods "beyond the mean field" such as the Quasiparticle Random Phase Approximation (QRP A) or the Generator-Coordinate-Method (GCM) methods which are unsuitable in practice for large scale calculations.
The dropleton is a quasiparticle, a theoretical construct that helps physicists make sense of the jungle of particles and forces within the materials we use every day.
At the interface between a dielectric and metal an EM wave can excite a quasiparticle called a surface polariton (see Fig.
A polaron, first conceptually described in 1933, is a quasiparticle composed of an electron and its accompanying lattice polarization field, which can be understood as a cloud of phonons.
When the Coriolis effects are large compered with the octupole correlations effected through the residual interaction, it becomes inappropriate to identify these bands as octupole bands (decoupled two quasiparticle bands).
The first volume looks at recent research on quasiparticle dynamics, collective excitation, electron transfer, and photoinduced dynamics.
But he says the experiment gives physicists a chance to explore a so-called quasiparticle that, at least mathematically, behaves just as Dirac predicted an actual monopole would 83 years ago.