Microscopic theory of the semiconductor terahertz response

Microscopic theory of the semiconductor terahertz response
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DOI:
10.1002/pssb.200303160
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发表时间:
2003-08-01
期刊:
PHYSICA STATUS SOLIDI B-BASIC RESEARCH
影响因子:
--
通讯作者:
Koch, SW
Koch, SW
中科院分区:
其他
文献类型:
--
作者:
Kira, M;Hoyer, W;Koch, SW

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提出了半导体系统太赫兹响应的微观理论。验证了理论给出的有效质量德鲁德极限是正确的。对于一个完全相互作用的非相干系统,太赫兹响应被证明是由电子-空穴的相关性。该理论的例子中的量子阱结构中的激子种群进行评估。(C)2003 WILEY-VCH Verlag GmbH & Co. KGaA,魏因海姆。
A microscopic theory for the terahertz response of excited semiconductor systems is presented. It is verified that the theory yields the correct effective-mass Drude limit. For a fully interacting incoherent system, the terahertz response is shown to be determined by the electron-hole correlations. The theory is evaluated for the example of excitonic populations in a quantum-well structure. (C) 2003 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.