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About: Semiconductor Bloch equations     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:WikicatEquationsOfPhysics, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: yago:Abstraction100002137yago:Communication100033020yago:Equation106669864yago:MathematicalStatement106732169yago:Message106598915yago:Statement106722453yago:WikicatEquationsOfPhysics New Facet based on Instances of this Class

The semiconductor Bloch equations (abbreviated as SBEs) describe the optical response of semiconductors excited by coherent classical light sources, such as lasers. They are based on a full quantum theory, and form a closed set of integro-differential equations for the quantum dynamics of microscopic polarization and charge carrier distribution. The SBEs are named after the structural analogy to the optical Bloch equations that describe the excitation dynamics in a two-level atom interacting with a classical electromagnetic field. As the major complication beyond the atomic approach, the SBEs must address the many-body interactions resulting from Coulomb force among charges and the coupling among lattice vibrations and electrons.