landmark
发表于 2025-3-25 06:56:04
,The Electron—Phonon Interaction,itions. Up to now, however, we have restricted ourselves to a rigid lattice. Under these conditions, nonequilibrium concerns only the particle system. The time evolution into a true quasi-equilibrium state, however, requires ., i.e. the . from the particle system to the lattice, which results from i
patella
发表于 2025-3-25 11:10:56
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组成
发表于 2025-3-25 14:12:39
The Semiconductor Laser, with other laser media such as gases, molecules in solution or other solids, they offer by far the highest conversion efficiency from electric energy to emitted light energy (up to 50%). In a semiconductor laser the injected electric current is directly transformed into a population inversion witho
Genome
发表于 2025-3-25 16:21:57
Classical Transport,ture gradients, and combinations of these. Particle transport results in electric currents and transport of heat via the charge and energy of the particles. The two corresponding physical quantities of interest are the .. and the ... In general, both quantities contain contributions from both electr
ectropion
发表于 2025-3-25 21:04:33
Electric Fields in Mesoscopic Systems,ansport becomes quite different in the opposite limit, i.e. when the system dimensions are small compared with the mean free path, requiring both high-mobility electrons and small systems. The high mobility of electrons can be achieved, for example, by modulation-doped structures at low temperatures
GOAT
发表于 2025-3-26 01:52:25
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Ingredient
发表于 2025-3-26 07:44:04
Uncorrelated Optical Transitions,bsorbed in addition. Clearly, at low temperatures, only emission remains (only this channel has been drawn in Fig. 4.1). Transitions requiring both a photon and a phonon are generally much weaker than the others and are usually only of relevance when other transitions are absent in a particular energy regime.
Occupation
发表于 2025-3-26 11:23:55
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linguistics
发表于 2025-3-26 15:19:09
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Capitulate
发表于 2025-3-26 16:54:06
,Nonequilibrium Green’s Functions,ee-Fock approximation. This . approach, however, neglects important physics such as . and ., as well as all kinds of ., and . processes. Before reviewing various aspects of relaxation in Chap. 12, we have to get ready for some more sophisticated mathematics.