Expressions of the Green function in terms of reflection coefficients
classification
🧮 math-ph
cond-mat.stat-mechmath.MPquant-ph
keywords
coefficientsexpressionsfunctiongreenreflectiontermsapproximationdefined
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We study the one-dimensional Schr\"odinger equation and derive exact expressions for the Green function in terms of reflection coefficients which are defined for semi-infinite intervals. We also discuss the relation between our results and the WKB approximation.
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