Renormalization group approach to vibrational energy transfer in protein

Details Renormalization group approach to vibrational energy transfer in protein Renormalization group approach to vibrational energy transfer in protein

2011-08-11

arxiv.org/abs/1108.2531v1

Physics

Biological Physics

11 pages

Scientific paper

Renormalization group method is applied to the study of vibrational energy transfer in protein molecule. An effective Lagrangian and associated equations of motion to describe the resonant energy transfer are analyzed in terms of the first-order perturbative renormalization group theory that has been developed as a unified tool for global asymptotic analysis. After the elimination of singular terms associated with the Fermi resonance, amplitude equations to describe the slow dynamics of vibrational energy transfer are derived, which recover the result obtained by a technique developed in nonlinear optics [S.J. Lade, Y.S. Kivshar, Phys. Lett. A 372 (2008) 1077].

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