The phase-integral method in mathematics, also known as the Wentzel-Kramers-Brillouin (WKB) method, is the focus of this introductory treatment. Author John Hea

The result of two decades spent developing and refining the phase-integral method to a high level of precision, the authors have applied this method to problems

This book provides a thorough introduction to one of the most efficient approximation methods for the analysis and solution of problems in theoretical physics a

The result of two decades spent developing and refining the phase-integral method to a high level of precision, the authors have applied this method to problems

Introductory treatment steers a course between simplistic and rigorous approaches to provide a concise overview for advanced undergraduates and graduate student