WKB method for systems of integral equations

WKB method for systems of integral equations
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积分方程组的 WKB 方法

DOI:
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发表时间:
1980
期刊:
影响因子:
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通讯作者:
D. Pfirsch
D. Pfirsch
中科院分区:
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文献类型:
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作者:
H. Berk;D. Pfirsch

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本文发展了积分方程矢量系统的 WKB 理论。使用变分技术来推导 x 空间或其对偶 k 空间中的 WKB 振幅方程。在一维中获得紧凑、显式的解。当解在转折点崩溃时,可以使用对偶空间表示来推导 WKB 解之间的连接公式。这些连接公式等价于Furry方法的规则。 Furry 方法用于展示如何构建一般的全局色散关系。
The WKB theory for vector systems of integral equations is developed herein. A variational technique is used to derive the equations for the WKB amplitudes in x‐space or its dual k‐space. Compact, explicit solutions are obtained in one dimension. When a solution breaks down at a turning point, the dual‐space representation can be used to derive the connection formulas between WKB solutions. These connection formulas are equivalent to the rules of the Furry method. The Furry method is used to show how general golbal‐dispersion relations can be constructed.