ArticleJournal of advanced research2025
Studying changes in the dynamical patterns in two physical models involving new Caputo operator.
Article in Journal of advanced research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionStudying phase changes in physical models enables researchers to adequately describe the dynamics arising from such systems.
objectivesThis work investigates the effect of a new Caputo fractional operator on the dynamics in two physical models.
methodsThe corresponding Riemann-Liouville fractional integral is presented. The main properties of the new Riemann-Liouville fractional integral are mentioned. In the case of the new Caputo fractional operator, new lemmas for derivatives of constant function, power function and its effect on the new fractional integral fractional integral are proved. In addition, an interpolation property is presented and proved. The new operator has a higher degree of freedom (new fractional parameter), which is used to produce changes in the dynamical patterns in some dynamical models. For example, the fractional modified autonomous Van der Pol-Duffing system exhibits variety of complex attractors such as one-band, double-band chaos and approximate periodic cycles as varying the new fractional parameter. In addition, the fractional Liu system shows variety of complex dynamics such as existences of double scroll, self-excited and hidden chaotic attractors.
conclusionBoth of the systems involving the new fractional operators exhibit variety of chaotic dynamics. It is also found in both systems that the new operator's parameter arises chaotic attractors, while non-chaotic states are found in the systems' counterparts with the classic fractional operator.
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