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Some applications of the comparison principle in the theory of perturbed systems

✍ Scribed by E. V. Voskresenskii

Book ID
112472384
Publisher
Springer
Year
1994
Tongue
English
Weight
288 KB
Volume
46
Category
Article
ISSN
0041-5995

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Perturbation theory in the path-integral
Perturbation theory in the path-integral representation and its application to some simple quantum systems
✍ Y. U. E. Perlin; S. H. N. Gifeisman; Pham Van Quyet πŸ“‚ Article πŸ“… 1977 πŸ› John Wiley and Sons 🌐 English βš– 561 KB

## Abstract In the framework of the path‐integral formalism of nonrelativistic quantum theory the perturbation method is developed. This is based on the cumulative expansion of the partition function in powers of the difference between the classical actions of the exact and trial system. The trial