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Application of Morse potential in nonlinear dynamics of microtubules

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Abstract

We here present a model of nonlinear dynamics of microtubules using modified extended tanh-function method as a mathematical tool. Interaction between neighbouring dimers belonging to a single protofilament is commonly modelled by a harmonic potential. In this paper, we introduce a more realistic Morse potential energy instead. We obtained three solitary waves as before, when the harmonic potential was used. However, the Morse potential allows transition from the state when elastic term in the expression for total energy is bigger than the inertial one to the state when the inertial potential is bigger. Also, three new solutions were obtained.

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Acknowledgements

We acknowledge support from Project within the Cooperation Agreement between the JINR, Dubna, Russian Federation and Ministry of Education and Science of Republic of Serbia: Theory of Condensed Matter Physics. The works of S. Zdravković was supported by funds from Serbian Ministry of Education and Sciences (Grant No. III45010). The work of A.N. Bugay was supported by Russian Science Foundation (Project No. 17-11-01157).

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Authors and Affiliations

  1. Laboratorija za atomsku fiziku (040), Institut za nuklearne nauke Vinča, Univerzitet u Beogradu, Poštanski fah 522, Belgrade, 11001, Serbia

    Slobodan Zdravković

  2. Joint Institute for Nuclear Research, Joliot-Curie 6, Dubna, Moscow Region, Russia, 141980

    Aleksandr N. Bugay & Aleksandr Yu. Parkhomenko

Authors
  1. Slobodan Zdravković
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  2. Aleksandr N. Bugay
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  3. Aleksandr Yu. Parkhomenko
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Correspondence to Slobodan Zdravković.

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Zdravković, S., Bugay, A.N. & Parkhomenko, A.Y. Application of Morse potential in nonlinear dynamics of microtubules. Nonlinear Dyn 90, 2841–2849 (2017). https://doi.org/10.1007/s11071-017-3845-y

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  • DOI: https://doi.org/10.1007/s11071-017-3845-y

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