Exciton versus Interband Absorption in Peierls Insulators
作者： Shuji Abe
DOI: 10.1143/JPSJ.58.62
关键词:
摘要: The effect of long-range Coulomb interaction between an electron and a hole on the optical absorption spectrum one-dimensional Peierls insulator is studied theoretically. Energy levels oscillator strengths exciton states in gap line shape continuous (interband transitions) above are calculated by taking interatomic nature transition matrix element into account. turns out to be great significance, sense that even very weak induces anomalously large strength lowest ( n =0) state.
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