Titlebook: Collective Excitations in Solids; Baldassare Bartolo Book 1983 Plenum Press, New York 1983 crystal.crystal structure.diffusion.dispersion.

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爵士乐

Polaritonsariton dispersion relation and damping. Measurements of bulk polaritons by light scattering and nonlinear optical processes are reviewed. The linear response theory is extended to a dielectric medium with a flat surface, thus providing the surface polariton dispersion relation and damping. Measureme

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Gnrh670

天然热喷泉

Collective Excitations in Concentrated Mn2+ Systems: Special Propertiesant step in the understanding of these systems has been the realization of the role of collective excitations in determining these properties. In this article, the relationship between collective excitations and spectral features is explored. We begin with a description of the Mn. ion in a crystal a

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Optical Dynamics in Concentrated Mn2+ Systemsh are related to both electronic and magnetic collective excitations. The experimental conditions, the optical pumping characteristics, the lattice temperature, the application of external factors such as an uniaxial stress or a magnetic field, have been used extensively in the way of identifying th

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Spectroscopy of Stoichiometric Laser Materials: Excitons or Incoherent Transfers?a high concentration leads to strong interactions between ions giving rise to a self-quenching process explained either in an energy transfer model with fast diffusion among donors before transfer to a quenching center or in an excito-nic model with exciton annihilation at the sample surface. Theore

恶臭

Excitons and Plasmons: Collective Excitations in Semiconductors the Coulomb interaction between valence and conduction electrons. It contains, as collective excitations, excitons below and a valence plasmon above the continuum of single electron-hole pair excitations..The importance of the so-called exchange interaction is pointed out as being responsible for t

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Picosecond Exciton Phenomena in Chlorophyll Complexestaining N=6, 7, 13, and up to the order of 100 chlorophyll molecules have been characterized by many researchers with varying degrees of completeness. Homogeneous samples of these complexes are interesting from the point of view of exciton dynamics because the small value of N compared with 10. in c

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