Analogies between solitonic bio-energy transport along polypeptide chains and nonautonomous optical solitons in structurated nonuniform fibers

L. Morales-Lara; R. Peña-Moreno; A. Mena-Contla; V. N. Serkin; T. L. Belyaeva

doi:10.1117/12.2177105

8 January 2015 Analogies between solitonic bio-energy transport along polypeptide chains and nonautonomous optical solitons in structurated nonuniform fibers

L. Morales-Lara, R. Peña-Moreno, A. Mena-Contla, V. N. Serkin, T. L. Belyaeva

Author Affiliations +

Proceedings Volume 9447, 18th International School on Quantum Electronics: Laser Physics and Applications; 944718 (2015) https://doi.org/10.1117/12.2177105
Event: Eighteenth International School on Quantum Electronics: Laser Physics and Applications, 2014, Sozopol, Bulgaria

Abstract

The interpenetration of the main ideas and methods being used in different fields of science and technology has become one of the decisive factors in the progress of science as a whole. Mathematical analogies between different physical systems can be extremely fruitful in understanding the novel physical concepts. Accordingly to the new theory of bio-energy transport along protein molecules in living systems and modified Davydov molecular soliton theory, we propose a nonautonomous model that can be considered as a candidate of the bio-energy transport mechanism in protein molecules. Based on the generalized nonlinear Schrödinger equation model with varying-intime harmonic oscillator potential, we show that conditions of its exact integrability in one-dimensional case indicate conclusively the way for solitonlike pulse generation in polypeptide molecular systems. The most important properties of this soliton transport of bio-energy are related with periodically changed energy-release conditions and the influences of structure nonuniformity in protein molecules. By analogy with the corresponding optical phenomena in inhomogeneous optical fibers with varying properties along the length, we study the main features of modified Davydov soliton on the basis of the unified nonautonomous nonlinear Schrodinger model in the parameters region of the exact integrability of the model under consideration.

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L. Morales-Lara, R. Peña-Moreno, A. Mena-Contla, V. N. Serkin, and T. L. Belyaeva "Analogies between solitonic bio-energy transport along polypeptide chains and nonautonomous optical solitons in structurated nonuniform fibers", Proc. SPIE 9447, 18th International School on Quantum Electronics: Laser Physics and Applications, 944718 (8 January 2015); https://doi.org/10.1117/12.2177105

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KEYWORDS

Solitons

Proteins

Systems modeling

Molecules

Oscillators

Complex systems

Optical fibers

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