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Singular Quadratic Forms in Perturbation Theory

Singular Quadratic Forms in Perturbation Theory

Paperback

Series: Mathematics and Its Applications, Book 474

General MathematicsPhysics

ISBN10: 9401059527
ISBN13: 9789401059527
Publisher: Springer Nature
Published: Oct 10 2012
Pages: 312
Weight: 1.00
Height: 0.68 Width: 6.14 Depth: 9.21
Language: English
The notion of singular quadratic form appears in mathematical physics as a tool for the investigation of formal expressions corresponding to perturbations devoid of operator sense. Numerous physical models are based on the use of Hamiltonians containing perturba- tion terms with singular properties. Typical examples of such expressions are Schrodin- ger operators with O-potentials (- + AD) and Hamiltonians in quantum field theory with perturbations given in terms of operators of creation and annihilation (P(

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