Excitonic states in a quantum well
semanticscholar(2018)
摘要
New approach to calculate both bound and continuum excitonic states in a quantum well are presented. Green functions technique for appropriate Schrödinger equation allowed transforms it to system of linear algebraic equations and to obtain a general numerical solution for excitonic wave function in a matrix form. The exciton binding energy was determined as poles of the wave function. Calculated quantum-mechanical transverse average size of an exciton correlates with binding energy. The results for different well widths and excitonic states are presented and analyzed.
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