phonons In A Sentence

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• One important difference between phonons and magnons lies in their dispersion relations.
• The physics of phonons.
• In this paper, the properties of the mean number of optical phonons of the polaron in a polyatomic crystals are studied.
• The upwards arrows represent absorption without phonons and with four phonons.
• Phonons in the diamond lattice drive transitions between these orbital states, causing rapid equilibration of the orbital population at temperatures above ca . 1 K.
• Where " v " is the energy transport velocity of phonons.
• Heat in materials is transferred in two ways, either by electrons or phonons.
• Finally, the carrier system cools down under the emission of phonons.
• It will remain to be seen whether a theory of phonons will explain all this,.
• The carriers are cooled which they scatter with phonons.
• Phonon transport simulations indicate that substitutional defects such as nitrogen or boron will primarily lead to scattering of high-frequency optical phonons.
• In this paper, effect of many phonons interaction on the ground state energy and the effective mass of weak-coupling bulk polaron for the polyatomic polar crystals in magnetic field were studied.
• In AMM the interface is assumed to be perfect, resulting in no scattering, thus phonons propagate elastically across the interface.
• Then, one phonon going in, produces two phonons coming out of the superlattice.
• In crystals excitons interact with phonons, the lattice vibrations.
• For instance, in graphite, the thermal conductivity parallel to the basal planes is only weakly dependent on the interlayer phonons.
• The team was then able to transfer individual phonons from the qubit to the resonator.
• Thermal energy in solids is often carried by internal elastic waves, called phonons.
• Instead of resulting in orderly, coherent phonon laser structures that can produce terahertz sound, tend to emit phonons randomly.
• At absolute zero temperature, a crystal lattice lies in its ground state, and contains no phonons.
• Attempts to Localize long wavelength phonons by aperiodic superlattices or composite superlattices with different periodicities have been made.
• Conventional systems rely on measuring Raman scattering by optical phonons.
• This pairing is caused by an attractive force between electrons from the exchange of phonons.
• An increase in temperature will also increase the number of phonons generated within the material.
• Longitudinal and transverse acoustic phonons are often abbreviated as LA and TA phonons, respectively.
• For example, a solid with two identical phonons does not have exactly twice the excitation energy of a solid with just one phonon, because the crystal vibration is slightly anharmonic.
• Condensed excitons are a superfluid and will not interact with phonons.
• For example electric dipole which in turn are excited by optical phonons or fluid particle vibration, or transition dipole moments of electronic transitions.