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The Vibrational Structure of Davydov Solitons

Published under licence by IOP Publishing Ltd
, , Citation Alwyn C Scott 1982 Phys. Scr. 25 651 DOI 10.1088/0031-8949/25/5/015

1402-4896/25/5/651

Abstract

Internal oscillations of an alpha-helix soliton are studied numerically on a modified version of Davydov's equations and analytically on an approximating system of coupled nonlinear Schrödinger equations. The numerical results are used to interpret lines in recently measured laser-Raman spectra of metabolically active E. coli. Agreement between measured and calculated lines appears to be within the uncertainties of computation and measurement.

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10.1088/0031-8949/25/5/015