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Nonlinear modes in the harmonic PT-symmetric potential

โœ Scribed by Zezyulin, Dmitry; Konotop, Vladimir


Book ID
111683746
Publisher
The American Physical Society
Year
2012
Tongue
English
Weight
379 KB
Volume
85
Category
Article
ISSN
1050-2947

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Ultraspherical potential approximation i
โœ Harry H. Denman ๐Ÿ“‚ Article ๐Ÿ“… 1968 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 436 KB

## A new technique for approximating the period-amplitude relation for free symmetric nonlinear oscillations is presented. It involves the linearization, in ultraspherical polynomials, of a function derived from the potential. This technique is applied to systems with hardening and softening cubic n