quasiparticle


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Related to quasiparticle: elementary excitation
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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

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One quasiparticle, called a hole, results from a missing electron that produces a void in a sea of electrons.
Due to these so-called quasiparticles, energy is lost and this limits the length of time that the circuits can store data.
The differentiation between particle and quasiparticle is a primary area of exploration for this interpretation.
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.
Conventional superconductors are used in a variety of operational systems, including high field magnets for magnetic resonance imaging (MRI) in medical applications and high energy particle accelerator rings, high-Q microwave cavities for high energy particle accelerators, tunnel junction superconductor-insulator-superconductor (SIS) quasiparticle mixers for radio astronomy and Josephson junction arrays for a voltage standard.
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 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.
The first volume looks at recent research on quasiparticle dynamics, collective excitation, electron transfer, and photoinduced dynamics.
Skyrmions: a twisted future Kirsten von Bergmann and Andr Kubetzka explain the nature of a type of quasiparticle known as a magnetic skyrmion, which looks promising as a bit for future data-storage technology
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 experiments are: measuring the lifetime of single quasiparticle and excited Cooper pair states in superconductors, a topic relevant for quantum information processing; determining whether graphene has a bandgap, a fundamental yet unresolved question; and recording a clear spectroscopic signature of Majorana bound states in topological superconductor weak links.
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).
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.
No manipulation of single quasiparticles has been reported yet and the determination of some quasiparticle characteristics, such as the fractional statistics remains elusive.