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WKB Theory

  • Carl M. Bender
  • Steven A. Orszag
Chapter

Abstract

WKB theory is a powerful tool for obtaining a global approximation to the solution of a linear differential equation whose highest derivative is multiplied by a small parameter ε; it contains boundary-layer theory as a special case.

Keywords

Turning Point Global Analysis Schrodinger Equation Airy Function Physical Optic 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

  1. 40.
    See Refs. 9, 18, 22 (vol. I), 30, 31, and: Fröman, N., and Fröman, P. O., JWKB Approximation, North-Holland Publishing Company, Amsterdam, 1965.zbMATHGoogle Scholar

Copyright information

© Springer Science+Business Media New York 1999

Authors and Affiliations

  • Carl M. Bender
    • 1
  • Steven A. Orszag
    • 2
  1. 1.Department of PhysicsWashington UniversitySt. LouisUSA
  2. 2.Department of MathematicsYale UniversityNew HavenUSA

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